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List of works by Ursula Keller

1.1-W cw Cr:LiSAF laser pumped by a 1-cm diode array.

scientific article

1.55 µm InAs/GaAs quantum dots and high repetition rate quantum dot SESAM mode-locked laser

scientific article

1.5 [micro sign]m GaInNAs semiconductor saturable absorber for passively modelocked solid-state lasers

article published in 2005

100 GHz passively mode-locked Er:Yb:glass laser at 1.5 microm with 1.6-ps pulses

scientific article

10GHz passively mode-locked external-cavity semiconductor laser with 1.4W average output power

10  GHz pulse repetition rate Er:Yb:glass laser modelocked with quantum dot semiconductor saturable absorber mirror.

scientific article

227-fs pulses from a mode-locked Yb:LuScO3 thin disk laser

scientific article

240-fs pulses with 22-W average power from a mode-locked thin-disk Yb:KY(WO(4))(2) laser.

scientific article

275 W average output power from a femtosecond thin disk oscillator operated in a vacuum environment

scientific article

29 GHz modelocked miniature Nd:YVO4 laser

40 GHz pulse generating source with less than 350 fs timing jitter

article by G.J. Spühler et al published 2002 in Electronics Letters

50-GHz Passively Mode-Locked Surface-Emitting Semiconductor Laser With 100-mW Average Output Power

53 ps pulses at 1.32 mu m from a harmonic mode-locked Nd:YAG laser

56-ps passively Q-switched diode-pumped microchip laser.

scientific article

60-W average power in 810-fs pulses from a thin-disk Yb:YAG laser

scientific article published on 01 March 2003

60-fs pulses from a diode-pumped Nd:glass laser.

scientific article

75 MW few-cycle mid-infrared pulses from a collinear apodized APPLN-based OPCPA

77 GHz soliton modelocked Nd:YVO4 laser

article published in 2000

A gigahertz multimode-diode-pumped Yb:KGW enables a strong frequency comb offset beat signal

scientific article

A simple electron time-of-flight spectrometer for ultrafast vacuum ultraviolet photoelectron spectroscopy of liquid solutions

scientific article

Absorber and gain chip optimization to improve performance from a passively modelocked electrically pumped vertical external cavity surface emitting laser

Access to phases of coherent phonon excitations by femtosecond ultraviolet photoelectron diffraction

scholarly article in Physical Review B, vol. 94 no. 5, August 2016

Accessing Energy-Dependent Photoemission Delays in Solids

Adaptive feedback control of ultrafast semiconductor nonlinearities

Adaptive pulse compression by two-photon absorption in semiconductors.

scientific article

Agile and Upgradeable Multi-wavelength Source for Dense Wavelength Division Multiplexing Networks

article published in 2007

All-GaInNAs ultrafast lasers: Material development for emitters and absorbers

All-in-one dispersion-compensating saturable absorber mirror for compact femtosecond laser sources

scientific article published on 01 April 1996

All-optical Q-switching limiter for high-power gigahertz modelocked diode-pumped solid-state lasers

scientific article published on April 2015

All‐optical power limiting of CO2laser pulses using cascaded optical bistable elements

article by A. C. Walker et al published 17 March 1986 in Applied Physics Letters

Amplitude Noise and Timing Jitter Characterization of a High-Power Mode-Locked Integrated External-Cavity Surface Emitting Laser

Amplitude noise reduction of 50 dB in colliding-pulse mode-locking dye lasers.

scientific article

An unstabilized femtosecond semiconductor laser for dual-comb spectroscopy of acetylene

scientific article published on 30 January 2019

Analysis of nonlinear wavelength conversion system for a red-green-blue laser-projection source

Analytical design of double-chirped mirrors with custom-tailored dispersion characteristics

article by N. Matuschek et al published 1999 in IEEE Journal of Quantum Electronics

Angular dependence of photoemission time delay in helium

article

Anisotropic emission in quantum-beat spectroscopy of helium excited states

Anisotropic photoemission time delays close to a Fano resonance.

scientific article

Antimonide semiconductor saturable absorber for 1.5 [micro sign]m

Antimonide semiconductor saturable absorber for passive mode locking of a 1.5-/spl mu/m Er : Yb : glass laser at 10 GHz

Antiresonant Fabry-Perot quantum-well modulator to actively modelock and synchronise solid-state lasers

Attoscience at ETH Zurich: shining new light on old questions in quantum mechanics.

scientific article

Attosecond Electron Wave-Packet Interference Observed by Transient Absorption

scientific article published in Physical Review Letters

Attosecond angular streaking

Attosecond coupled electron and nuclear dynamics in dissociative ionization of H2

Attosecond dynamical Franz-Keldysh effect in polycrystalline diamond.

scientific article

Attosecond ionization and tunneling delay time measurements in helium.

scientific article

Attosecond optical-field-enhanced carrier injection into the GaAs conduction band

Attosecond resolution from free running interferometric measurements

scientific article published on 01 April 2020

Attosecond science and the tunnelling time problem

article

Attosecond science: recent highlights and future trends

scientific article published on 30 January 2012

Attosecond screening dynamics mediated by electron localization in transition metals

scientific article published in 2019

Author Correction: Watt-level 10-gigahertz solid-state laser enabled by self-defocusing nonlinearities in an aperiodically poled crystal.

scientific article published on 11 April 2018

Back-side-coated chirped mirrors with ultra-smooth broadband dispersion characteristics

Beam delivery and pulse compression to sub-50 fs of a modelocked thin-disk laser in a gas-filled Kagome-type HC-PCF fiber

scientific article

Breakdown of the Dipole Approximation in Strong-Field Ionization ⬇️

scientific article published in Physical Review Letters

Breakdown of the independent electron approximation in sequential double ionization

Broad multiwavelength source with 50 GHz channel spacing for wavelength division multiplexing applications in the telecom C band

scientific article

Broadband saturable absorber for 10-fs pulse generation

scientific article published on 01 May 1996

Broadly tunable femtosecond Cr:LiSAF laser.

scientific article

Calibration of high-accuracy spectrometers using stabilized 11-GHz femtosecond semiconductor laser

scientific article published on 01 December 2019

Carrier and field dynamics around nanoscale Schottky contacts investigated by ultrafast near-field optics

article

Carrier dynamics around nano-scale Schottky contacts: a femtosecond near-field study

article

Carrier lifetime reduction in 1.5μm AlGaAsSb saturable absorbers with air and AlAsSb barriers

Carrier-envelope offset dynamics of mode-locked lasers.

scientific article

Carrier-envelope offset frequency stabilization of a gigahertz semiconductor disk laser

Carrier-envelope offset frequency stabilization of an ultrafast semiconductor laser

Carrier-envelope offset phase control: A novel concept for absolute optical frequency measurement and ultrashort pulse generation

Carrier-envelope offset phase-locking with attosecond timing jitter

Carrier–envelope-offset dynamics and stabilization of femtosecond pulses

article

Characterisation, wavefront reconstruction, and propagation of ultra-broadband laser pulses from Hartmann-Shack measurements

Characterization of Defects and Surface Structures in Microporous Materials by HRTEM, HRSEM, and AFM

scientific article published on 01 April 2004

Characterization of high-order harmonic radiation on femtosecond and attosecond time scales

Characterization of ultrashort optical pulse properties by amplitude-modulation-balanced heterodyne gating

scientific article

Charge migration and charge transfer in molecular systems.

scientific article published in November 2017

Chirp-controlled ultrafast optical nonlinearities in semiconductors

Coherent Supercontinuum from a Silicon Nitride Waveguide

Coherent beam combining and noise analysis of a colliding pulse modelocked VECSEL.

scientific article published in August 2017

Combining attosecond XUV pulses with coincidence spectroscopy

scientific article

Compact 10-GHz Nd:GdVO4 laser with 0.5-W average output power and low timing jitter.

scientific article

Compact Er:Yb:glass-laser-based supercontinuum source for high-resolution optical coherence tomography.

scientific article

Compact Nd:YVO/sub 4/ lasers with pulse repetition rates up to 160 GHz

article

Compact extreme ultraviolet source at megahertz pulse repetition rate with a low-noise ultrafast thin-disk laser oscillator

Compact ultrafast semiconductor disk laser for nonlinear imaging in living organisms

Compact ultrafast semiconductor disk laser: targeting GFP based nonlinear applications in living organisms

scientific article

Comparison of attosecond streaking and RABBITT.

scientific article

Comparison of different approaches to the longitudinal momentum spread after tunnel ionization

article published in 2013

Continuous-wave and modelocked Yb:YCOB thin disk laser: first demonstration and future prospects

scientific article

Continuous-wave mode-locked solid-state lasers with enhanced spatial hole burning

Continuous-wave mode-locked solid-state lasers with enhanced spatial hole burning

Control of high-order harmonic emission using attosecond pulse trains

Coupled-cavity resonant passive mode-locked Nd:yttrium lithium fluoride laser.

scientific article

Coupled-cavity resonant passive mode-locked Ti:sapphire laser.

scientific article

Cutting-Edge High-Power Ultrafast Thin Disk Oscillators

Decoupling phase-matching bandwidth and interaction geometry using non-collinear quasi-phase-matching gratings

Design and operation of antiresonant Fabry–Perot saturable semiconductor absorbers for mode-locked solid-state lasers

article by L. R. Brovelli et al published 1 February 1995 in Optical Society of America. Journal B: Optical Physics

Design constraints of optical parametric chirped pulse amplification based on chirped quasi-phase-matching gratings

scientific article published in April 2014

Design of a sub-13-fs, multi-gigawatt chirped pulse optical parametric amplification system

Designing of coatings for femtosecond lasers with phase derivative targets

Dilute nitride absorbers in passive devices for mode locking of solid-state lasers

Diode-pumped Nd:glass kilohertz regenerative amplifier for subpicosecond microjoule level pulses.

scientific article published in June 1997

Diode-pumped Nd:glass regenerative amplifier for subpicosecond microjoule-level pulses

Diode-pumped femtosecond Yb:KGd(WO(4))(2) laser with 1.1-W average power.

scientific article

Diode-pumped femtosecond solid state lasers based on semiconductor saturable absorbers

Diode-pumped gigahertz femtosecond Yb:KGW laser with a peak power of 3.9 kW.

scientific article

Diode-pumped passively mode-locked 1.3-microm Nd:YVO(4) and Nd:YLF lasers by use of semiconductor saturable absorbers.

scientific article

Diode-pumped thin-disk Yb:YAG regenerative amplifier

Direct experimental observation of different diffusive transport regimes in semiconductor nanostructures

scholarly article in Physical Review B, vol. 60 no. 3, July 1999

Directly diode-pumped millijoule subpicosecond Yb:glass regenerative amplifier

scientific article published on 01 July 1999

Disentangling Long Trajectory Contributions in Two-Colour High Harmonic Generation

Double-chirped semiconductor mirror for dispersion compensation in femtosecond lasers

Dual-comb modelocked laser

scientific article published on March 2015

Dual-comb modelocked lasers: semiconductor saturable absorber mirror decouples noise stabilization

scientific article

Dual-comb spectroscopy of water vapor with a free-running semiconductor disk laser.

scientific article

Dual-gain SESAM modelocked thin disk laser based on Yb:Lu₂O₃ and Yb:Sc₂O₃.

scientific article

Editorial

Effective mass effect in attosecond electron transport

Effects of rapid thermal annealing conditions on GaInNAs band gap blueshift and photoluminescence intensity

Efficient and tunable diode-pumped femtosecond Yb:glass lasers

scientific article published on 01 January 1998

Efficient femtosecond high power Yb:Lu(2)O(3) thin disk laser.

scientific article

Efficient intracavity frequency doubling of a passively mode-locked diode-pumped neodymium lanthanum scandium borate laser.

scientific article

Efficient spectral broadening in the 100-W average power regime using gas-filled kagome HC-PCF and pulse compression

scientific article published on December 2014

Efficient, low-noise, SESAM-based femtosecond Cr3+:LiSrAlF6 laser

Electrically Pumped Vertical External Cavity Surface Emitting Lasers Suitable for Passive Modelocking

article published in 2011

Energy-Dependent Photoemission Time Delays of Noble Gas Atoms Using Coincidence Attosecond Streaking

article

Energy-dependent photoemission delays from noble metal surfaces by attosecond interferometry

Enhanced VUV-assisted high harmonic generation

Erratum: Resonance Effects in Photoemission Time Delays [Phys. Rev. Lett. 115, 133001 (2015)].

scientific article published on 20 November 2017

Evanescent-field-induced two-photon fluorescence: excitation of macroscopic areas of planar waveguides

Exact coupled-mode theories for multilayer interference coatings with arbitrary strong index modulations

Experimental verification of soliton-like pulse-shaping mechanisms in passively mode-locked VECSELs.

scientific article

Experimentally confirmed design guidelines for passively Q-switched microchip lasers using semiconductor saturable absorbers

article by G. J. Spühler et al published 1 March 1999 in Optical Society of America. Journal B: Optical Physics

Experimentally confirmed design guidelines for passively Q-switched microchip lasers using semiconductor saturable absorbers: errata

Experimentally verified pulse formation model for high-power femtosecond VECSELs

article

Extreme ultraviolet light source at a megahertz repetition rate based on high-harmonic generation inside a mode-locked thin-disk laser oscillator.

scientific article published in December 2017

Eyesafe pulsed microchip laser using semiconductor saturable absorber mirrors

Femtosecond VECSEL with tunable multi-gigahertz repetition rate

scientific article

Femtosecond diode-pumped solid-state laser with a repetition rate of 4.8 GHz.

scientific article

Femtosecond dual-comb Yb:CaF2 laser from a single free-running polarization-multiplexed cavity for optical sampling applications

scientific article published on 01 September 2020

Femtosecond fiber-feedback optical parametric oscillator.

scientific article

Femtosecond high-power quantum dot vertical external cavity surface emitting laser

scientific article

Femtosecond laser oscillators for high-field science

article published in 2008

Femtosecond mode locking based on adiabatic excitation of quadratic solitons

Femtosecond near-field optical spectroscopy of implantation patterned semiconductors

Femtosecond nonlinear optics of low-temperature grown semiconductors

Femtosecond pulses from a modelocked integrated external-cavity surface emitting laser (MIXSEL).

scientific article

Femtosecond pump-probe near-field optical microscopy

Femtosecond response times and high optical nonlinearity in beryllium-doped low-temperature grown GaAs

article

Femtosecond thin disk laser oscillator with pulse energy beyond the 10-microjoule level.

scientific article

Femtosecond thin-disk laser with 141 W of average power.

scientific article

Femtosecond to Attosecond Optics

article

Few-optical-cycle laser pulses by OPA: broadband chirped mirror compression and SPIDER characterization

First investigation of the noise and modulation properties of the carrier-envelope offset in a modelocked semiconductor laser

scientific article

Fluoride semiconductor saturable-absorber mirror for ultrashort pulse generation.

scientific article

Frequency comb offset detection using supercontinuum generation in silicon nitride waveguides

scientific article published on June 2015

Frequency comb offset dynamics of SESAM modelocked thin disk lasers

scientific article published on August 2015

Frequency-domain nonlinear optics in two-dimensionally patterned quasi-phase-matching media. ⬇️

scientific article

From femtosecond to attosecond optics

Frontiers in passively mode-locked high-power thin disk laser oscillators

scientific article

Full stabilization and characterization of an optical frequency comb from a diode-pumped solid-state laser with GHz repetition rate

scientific article published in August 2017

Fully stabilized optical frequency comb with sub-radian CEO phase noise from a SESAM-modelocked 15-µm solid-state laser

article published in 2011

Future of femtosecond technology

article published in 1999

GaAs absorber layer growth for broadband AlGaAs/fluoride SESAMs

GaInNAs SESAMs passively mode-locking 1.3-μm solid-state lasers

Gas-lens effect in kW-class thin-disk lasers

scientific article published on 01 May 2018

Generation of 148-fs pulses in a spatially dispersed amplifier

scientific article published on 01 January 2004

Generation of 38-fs pulses from adaptive compression of a cascaded hollow fiber supercontinuum

article

Generation of intense few-cycle laser pulses through filamentation - parameter dependence.

scientific article

Generation of intense, carrier-envelope phase-locked few-cycle laser pulses through filamentation

article by C.P. Hauri et al published 8 September 2004 in Applied Physics B

Generation of sub-6-fs blue pulses by frequency doubling with quasi-phase-matching gratings.

scientific article

Gigahertz frequency comb from a diode-pumped solid-state laser

scientific article published on December 2014

Gigahertz frequency comb offset stabilization based on supercontinuum generation in silicon nitride waveguides

scientific article

Gigahertz repetition-rate from directly diode-pumped femtosecond Cr:LiSAF laser

Gigahertz self-referenceable frequency comb from a semiconductor disk laser

scientific article

Gouy phase effects in attosecond photoemission delay measurements using truncated beams

Gouy phase shift for annular beam profiles in attosecond experiments

scientific article published in February 2017

Gravitational slopes, geomorphology, and material strengths of the nucleus of comet 67P/Churyumov-Gerasimenko from OSIRIS observations ⬇️

scientific article published in Astronomy and Astrophysics

Growth of novel broadband high reflection mirrors by molecular beam epitaxy

article

Growth parameter optimization for fast quantum dot SESAMs.

scientific article

High harmonic generation in a gas-filled hollow-core photonic crystal fiber

High peak power gigahertz Yb:CALGO laser

scientific article

High-Power Sub-300-Femtosecond Quantum Dot Semiconductor Disk Lasers

High-average-power diode-pumped femtosecond Cr:LiSAF lasers

High-dynamic-range characterization of ultrashort pulses

High-energy picosecond Nd:YVO4 slab amplifier for OPCPA pumping

High-frequency acousto-optic mode locker for picosecond pulse generation.

scientific article

High-power 100  fs semiconductor disk lasers

High-power MIXSEL: an integrated ultrafast semiconductor laser with 6.4 W average power

scientific article

High-power OPCPA generating 17 cycle pulses at 25 µm

scientific article published on 28 September 2018

High-power Yb:GGG thin-disk laser oscillator: first demonstration and power-scaling prospects.

scientific article

High-power amplification of a femtosecond vertical external-cavity surface-emitting laser in an Yb:YAG waveguide.

scientific article

High-power diode-pumped passively mode-locked Yb:YAG lasers.

scientific article

High-power integrated ultrafast semiconductor disk laser: multi-Watt 10 GHz pulse generation

article published in 2012

High-power passively mode-locked semiconductor lasers

High-power ultrafast thin disk laser oscillators and their potential for sub-100-femtosecond pulse generation

article

High-repetition-rate femtosecond optical parametric chirped-pulse amplifier in the mid-infrared

High-repetition-rate optical parametric chirped-pulse amplifier producing 1-microJ, sub-100-fs pulses in the mid-infrared.

scientific article

Highly compact and efficient femtosecond Cr:LiSAF lasers

Highly reflective AlGaAsSb/InP Bragg reflector at 1.55μm grown by MOVPE

Hybrid mode locking of a flash-lamp-pumped Ti:Al2O3 laser.

scientific article

In0.53Ga0.47Asp‐i‐nphotodiodes with transparent cadmium tin oxide contacts

Interplay between Coulomb-focusing and non-dipole effects in strong-field ionization with elliptical polarization

Interpreting electron-momentum distributions and nonadiabaticity in strong-field ionization

article published in 2014

Ion-implanted GaAs for ultrafast saturable absorber applications

Ionization effects on spectral signatures of quantum-path interference in high-harmonic generation

scientific article published on 01 March 2009

Ionization of ar with circularly polarized 5.5-fs pulses for the determination of CEO phase

Large enhancement of macroscopic yield in attosecond pulse train–assisted harmonic generation

Light-Matter Interaction at Surfaces in the Spatiotemporal Limit of Macroscopic Models

scientific article published on 22 September 2015

Low repetition rate SESAM modelocked VECSEL using an extendable active multipass-cavity approach

scientific article

Low saturation fluence antiresonant quantum dot SESAMs for MIXSEL integration.

scientific article

Low-loss GaInNAs saturable absorber mode locking a 1.3-μm solid-state laser

article published in 2004

Luminescent and lasing characteristics of heavily doped Yb3+:KY(WO4)2crystals

Materials and new approaches for ultrashot pulse lasers

Measurement and control of the frequency chirp rate of high-order harmonic pulses

Measurement of carrier escape rates, exciton saturation intensity, and saturation density in electrically biased multiple-quantum-well modulators

article

Measurement of the spectrally-resolved absolute phase difference between orthogonal optical modes using a nonlinear beat signal.

scientific article published in October 2005

Microcavity enhanced vertical‐cavity light‐emitting diodes

Mid-infrared difference-frequency generation of ultrashort pulses tunable between 32 and 48 μm from a compact fiber source

scientific article published on 01 May 2007

Mid-infrared pulse generation via achromatic quasi-phase-matched OPCPA

article

Mirror dispersion control of a hollow fiber supercontinuum

Mode locking of a broad-area semiconductor laser with a multiple-quantum-well saturable absorber.

scientific article

Mode-locked high-power lasers and nonlinear optics – a powerful combination

Mode-locked laser cavities with a single prism for dispersion compensation

scientific article

Modelocked integrated external-cavity surface emitting laser

Modelocked quantum dot vertical external cavity surface emitting laser

article published in 2008

Modelocking of a thin-disk laser with the frequency-doubling nonlinear-mirror technique

scientific article published in September 2017

Moving from ultrafast VECSELs to MIXSELs: a new class of ultrafast semiconductor lasers

Multi-wavelength source with 25 GHz channel spacing tunable over C-band

Multiphoton in vivo imaging with a femtosecond semiconductor disk laser

scientific article

Multiphoton transitions for delay-zero calibration in attosecond spectroscopy ⬇️

scholarly article

Multipulse instabilities of a femtosecond SESAM-modelocked VECSEL

scientific article published on 8 August 2018

Nano-scale Schottky contacts: ultrafast drift-diffusion dynamics studied in the optical near field

National Center of Competence in Research: molecular ultrafast science and technology

scientific article published on 01 January 2011

Nearly quantum-noise-limited timing jitter from miniature Er:Yb:glass lasers.

scientific article

New directions in sub-10-fs optical pulse generation

New regime of inverse saturable absorption for self-stabilizing passively mode-locked lasers

article published in 2005

Nitrogen-dependent effects on GaInNAs photoluminescence upon annealing

Noise characterization of femtosecond color-center lasers.

scientific article

Noise characterization of femtosecond fiber Raman soliton lasers

Noise properties of an optical frequency comb from a SESAM-mode-locked 1.5-μm solid-state laser stabilized to the 10−13 level

Noise-related resolution limit of dispersion measurements with white-light interferometers

article by Anastassia Gosteva et al published 1 September 2005 in Optical Society of America. Journal B: Optical Physics

Nonadiabatic effects in electronic and nuclear dynamics

scientific article published in November 2017

Noninvasive optical probe of free charge and applied voltage in GaAs devices

article published in 1988

Nonlinear absorption edge properties of 1.3-μm GaInNAs saturable absorbers

article published in 2005

Nonlinear femtosecond pulse compression at high average power levels by use of a large-mode-area holey fiber.

scientific article

Nonlinear optical absorption and temporal response of arsenic- and oxygen-implanted GaAs

article

Novel semiconductor materials and saturable absorber mirrors for sub-10-fs pulse generation

Novel ultrafast parametric systems: high repetition rate single-pass OPG and fibre-feedback OPO

Octave-spanning coherent supercontinuum generation in a silicon nitride waveguide

scientific article published in November 2015

On the design of electrically pumped vertical-external-cavity surface-emitting lasers

Optical characterization of semiconductor saturable absorbers

Optical efficiency and gain dynamics of modelocked semiconductor disk lasers

scientific article

Optical nonlinearity in low-temperature-grown GaAs: Microscopic limitations and optimization strategies

Optical parametric oscillator with a 10-GHz repetition rate and 100-mW average output power in the spectral region near 1.5 mum.

scientific article

Optical parametric oscillator with a pulse repetition rate of 39 GHz and 2.1-W signal average output power in the spectral region near 1.5 microm.

scientific article

Optical phase noise and carrier-envelope offset noise of mode-locked lasers

Optically controlled mode-coupling in microcavity-enhanced light-emitting diodes

Optimization of adaptive feedback control for ultrafast semiconductor spectroscopy

article published in 2001

Optimized SESAMs for kilowatt-level ultrafast lasers.

scientific article

Orientation-dependent stereo Wigner time delay and electron localization in a small molecule

scientific article published in Science

Parameter tunable GaInNAs saturable absorbers for mode locking of solid-state lasers

Passive mode locking with slow saturable absorbers

Passively Q-switched 0.1-mJ fiber laser system at 1.53 mum.

scientific article

Passively Q-switched 1.34- mum Nd:YVO(4) microchip laser with semiconductor saturable-absorber mirrors.

scientific article

Passively Q-switched microchip laser at 15 μm

Passively mode-locked 1.3-/spl mu/m multi-GHz Nd:YVO/sub 4/ lasers with low timing jitter

article published in 2005

Passively mode-locked 40-GHz Er:Yb:glass laser

Passively mode-locked 914-nm Nd:YVO4 laser.

scientific article

Passively mode-locked Nd:YVO 4 laser with up to 13 GHz repetition rate

article

Passively mode-locked diode-pumped solid-state-lasers that use an antiresonant Fabry - Perot saturable absorber.

scientific article

Passively mode-locked diode-pumped surface-emitting semiconductor laser

Passively mode-locked high-power lasers and femtosecond high-power nonlinear frequency conversion

article published in 2004

Passively mode-locked picosecond lasers with up to 59 GHz repetition rate

Passively modelocked 50 GHz Er:Yb:glass laser

Passively modelocked 77 GHz Er:Yb:glass laser

Passively modelocked GaInNAs VECSEL at centre wavelength around 1.3 [micro sign]m

Passively modelocked surface-emitting semiconductor lasers

article by Ursula Keller & Anne C. Tropper published June 2006 in Physics Reports

Performance scaling of a 10-GHz solid-state laser enabling self-referenced CEO frequency detection without amplification

scientific article published on 01 April 2020

Phase-preserving chirped-pulse optical parametric amplification to 173 fs directly from a Ti:sapphire oscillator

scientific article published on 01 June 2004

Phase-stabilization of the carrier-envelope-offset frequency of a SESAM modelocked thin disk laser

scientific article

Photo Ionization Time Delay in Molecular Hydrogen

Photoemission and photoionization time delays and rates

scientific article published in November 2017

Picosecond diode-pumped 1.5 μm Er,Yb:glass lasers operating at 10–100 GHz repetition rate

Picosecond pulse generation with 1.5 [micro sign]m passively modelocked surface-emitting semiconductor laser

article published in 2003

Picosecond pulse sources with multi-GHz repetition rates and high output power

Portable semiconductor disk laser for in vivo tissue monitoring: a platform for the development of clinical applications

article

Potential of femtosecond chirp control of ultrabroadband semiconductor continuum nonlinearities

article published in 1999

Power-scaling of nonlinear-mirror modelocked thin-disk lasers

scientific article published on 01 December 2019

Powerful red-green-blue laser source pumped with a mode-locked thin disk laser

scientific article

Preface to Swiss National Center of Competence in Research: Molecular Ultrafast Science and Technology

scientific article published in November 2017

Probing nonadiabatic effects in strong-field tunnel ionization.

scientific article

Probing the Longitudinal Momentum Spread of the Electron Wave Packet at the Tunnel Exit

scientific article published in Physical Review Letters

Probing the ionization wave packet and recollision dynamics with an elliptically polarized strong laser field in the nondipole regime

Programmable pulse shaping for time-gated amplifiers

scientific article published on 3 January 2019

Ptychographic reconstruction of attosecond pulses ⬇️

scientific article published in November 2015

Pulse compression of a high-power thin disk laser using rod-type fiber amplifiers.

scientific article

Pulse compression over a 170-THz bandwidth in the visible by use of only chirped mirrors

scientific article published on 01 August 2001

Pulse compression with supercontinuum generation in microstructure fibers

Pulse energy scaling to 5 microJ from a femtosecond thin disk laser

scientific article

Pulse repetition rate scaling from 5 to 100 GHz with a high-power semiconductor disk laser

Pulse self-compression to the single-cycle limit by filamentation in a gas with a pressure gradient.

scientific article

Pulse shortening in a Nd:glass laser by gain reshaping and soliton formation.

scientific article

Pulse-energy dynamics of passively mode-locked solid-state lasers above the Q-switching threshold

article

Q-switching stability limits of continuous-wave passive mode locking

article published in 1999

Quantization energy mapping of single V-groove GaAs quantum wires by femtosecond near-field optics

Quantum Path Interferences in High-Order Harmonic Generation

scientific article published in Physical Review Letters

Real applications on the new parallel system NEC Cenju-3

Real-time characterization and optimal phase control of tunable visible pulses with a flexible compressor

Recent advances in ultrafast semiconductor disk lasers

Recent attoclock measurements of strong field ionization

Recent developments in compact ultrafast lasers

scientific article

Reduction of laser-intensity-correlated noise in high-harmonic generation

scientific article published on 01 March 2019

Relative timing jitter measurements with an indirect phase comparison method

Resolving intra-atomic electron dynamics with attosecond transient absorption spectroscopy

article

Resonance Effects in Photoemission Time Delays

scientific article published in Physical Review Letters

Resonant passive mode-locked Nd:YLF laser

Revealing the time-dependent polarization of ultrashort pulses with sub-cycle resolution

scientific article

Role of apodization in optical parametric amplifiers based on aperiodic quasi-phasematching gratings.

scientific article published in July 2012

Role of electron wavepacket interference in the optical response of helium atoms

article

Role of intraband transitions in photocarrier generation

scholarly article in Physical Review B, vol. 98 no. 3, July 2018

Room temperature femtosecond optical parametric generation in MgO-doped stoichiometric LiTaO3

Rydberg state creation by tunnel ionization

SESAM mode-locked Yb:CaGdAlO4 thin disk laser with 62 fs pulse generation

scientific article

SESAM modelocked Yb:CaGdAlO4 laser in the soliton modelocking regime with positive intracavity dispersion

scientific article

SESAMs for High-Power Oscillators: Design Guidelines and Damage Thresholds

article by C. J. Saraceno et al published January 2012 in IEEE Journal of Selected Topics in Quantum Electronics

SESAMs for high-power femtosecond modelocking: power scaling of an Yb:LuScO₃ thin disk laser to 23 W and 235 fs.

scientific article

Self-compression of optical laser pulses by filamentation

Self-compression of ultra-short laser pulses down to one optical cycle by filamentation

Self-referencable frequency comb from a 170-fs, 1.5-μm solid-state laser oscillator

article

Self-referenceable frequency comb from a gigahertz diode-pumped solid-state laser

scientific article

Self-referenceable frequency comb from an ultrafast thin disk laser

scientific article

Self-starting 6.5-fs pulses from a Ti:sapphire laser using a semiconductor saturable absorber and double chirped mirrors

Self-starting 6.5-fs pulses from a Ti:sapphire laser.

scientific article

Self-starting and self-Q-switching dynamics of passively mode-locked Nd:YLF and Nd:YAG lasers.

scientific article

Self-starting femtosecond mode-locked Nd:glass laser that uses intracavity saturable absorbers.

scientific article

Self-starting soliton modelocked Ti-sapphire laser using a thin semiconductor saturable absorber

Self-starting soliton-modelocked femtosecond Cr(4+):YAG laser using an antiresonant Fabry-Pérot saturable absorber

article published in 1997

Semi-classical approach to compute RABBITT traces in multi-dimensional complex field distributions

scientific article published in April 2015

Semiclassical model for attosecond angular streaking

scientific article

Semiclassical model for attosecond angular streaking: errata

Semiconductor saturable absorber mirror structures with low saturation fluence

Semiconductor saturable absorber mirrors (SESAM's) for femtosecond to nanosecond pulse generation in solid-state lasers

Semiconductor saturable absorber mirrors supporting sub-10-fs pulses

article published in 1997

Sensitive characterization of phase and amplitude semiconductor nonlinearities for broadband 20 fs excitation

Simple analytical expressions for the reflectivity and the penetration depth of a Bragg mirror between arbitrary media

article by L.R Brovelli & Ursula Keller published May 1995 in Optics Communications

Simple repetition rate tunable picosecond pulse-generating 10 GHz laser

Simplified cavity designs for efficient and compact femtosecond Cr:LiSAF lasers

Simultaneous measurement of the phase noise on all optical modes of a mode-locked laser

article

Single-shot dynamics of pulses from a gas-filled hollow fiber

article

Single-shot kilohertz characterization of ultrashort pulses by spectral phase interferometry for direct electric-field reconstruction

scientific article published on 01 February 2003

Solid-state Er:Yb:glass laser mode-locked by using single-wall carbon nanotube thin film

scientific article

Solid-state low-loss intracavity saturable absorber for Nd:YLF lasers: an antiresonant semiconductor Fabry-Perot saturable absorber.

scientific article

Solitary-pulse stabilization and shortening in actively mode-locked lasers

Soliton mode-locked Er:Yb:glass laser.

scientific article

Soliton mode-locked Nd:YAlO_3 laser at 930 nm

Soliton mode-locking with saturable absorbers

Spatial fingerprint of quantum path interferences in high order harmonic generation.

scientific article

Spatially resolved femtosecond spectroscopy beyond the diffraction limit

Spatio-temporal characterization of few-cycle pulses obtained by filamentation

scientific article published on 01 April 2007

Spectral Signature of Short Attosecond Pulse Trains

scientific article published in Physical Review Letters

Spectroscopy and femtosecond laser performance of Yb3+ :Gd0.64Y0.36VO4 crystal

Strong Field Quantum Path Control Using Attosecond Pulse Trains

scientific article published in Physical Review Letters

Strong field transient manipulation of electronic states and bands

scientific article published in November 2017

Strongly enhanced negative dispersion from thermal lensing or other focusing effects in femtosecond laser cavities

Sub-100 femtosecond pulses from a SESAM modelocked thin disk laser

Sub-150-fs pulses from an optically pumped broadband modelocked integrated external-cavity surface emitting laser

scientific article published on 17 December 2018

Sub-300-femtosecond operation from a MIXSEL.

scientific article published on August 2015

Sub-6-fs blue pulses generated by quasi-phase-matching second-harmonic generation pulse compression

article published in 2002

Sub-60-fs Timing Jitter of a SESAM Modelocked VECSEL

Sub-cycle time resolution of multi-photon momentum transfer in strong-field ionization

scientific article published on 05 December 2019

Sub-four-cycle laser pulses directly from a high-repetition-rate optical parametric chirped-pulse amplifier at 3.4 μm.

scientific article

Synchronously pumped optical parametric oscillator with a repetition rate of 81.8 GHz

Synchronously pumped optical parametric oscillators in the 15-µm spectral region with a repetition rate of 10 GHz

scientific article

Temporal and spectral evolution of an interrupted virtual single-photon transition: creation of optical gain and loss

Temporal pulse compression in a xenon-filled Kagome-type hollow-core photonic crystal fiber at high average power.

scientific article

The effect of electron–electron correlation on the attoclock experiment ⬇️

article

Theoretical and experimental analysis of quantum path interferences in high-order harmonic generation

Theory of coupled-cavity mode locking with a resonant nonlinearity

Theory of double-chirped mirrors

Thermal analysis and efficient high power continuous-wave and mode-locked thin disk laser operation of Yb-doped sesquioxides

article

Thick crack-free CaF2 epitaxial layer on GaAs (100) substrate by molecular beam epitaxy

Time-Frequency Characterization of Femtosecond Extreme Ultraviolet Pulses

scientific article published in Physical Review Letters

Timing Jitter Characterization of a Free-Running SESAM Mode-locked VECSEL

Timing jitter and pump-induced amplitude modulation in the colliding-pulse mode-locked (CPM) laser

Timing jitter characterization of free-running dual-comb laser with sub-attosecond resolution using optical heterodyne detection

scientific article published in 2022

Timing the release in sequential double ionization

Toward Millijoule-Level High-Power Ultrafast Thin-Disk Oscillators

Towards wafer-scale integration of high repetition rate passively mode-locked surface-emitting semiconductor lasers

Transfer of coherent dynamics between discrete excitons and exciton Fano continua in quantum wells

scholarly article in Physical Review B, vol. 62 no. 3, July 2000

Transferring the attoclock technique to velocity map imaging.

scientific article

Tunable picosecond pulse-generating laser with repetition rate exceeding 10 GHz

Tunnelling time in strong field ionisation

Two-gigahertz repetition-rate, diode-pumped, mode-locked Nd:YLF laser.

scientific article

Ultra-broadband chirped-pulse optical parametric amplifier with angularly dispersed beams

scientific article published on 01 February 2004

Ultrafast Electrically Pumped VECSELs

article published in 2013

Ultrafast Relaxation Dynamics of the Ethylene Cation C2H4+

article

Ultrafast all-solid-state laser technology

Ultrafast and widely tuneable vertical-external-cavity surface-emitting laser, mode-locked by a graphene-integrated distributed Bragg reflector

scientific article

Ultrafast carrier dynamics around nanoscale Schottky contacts studied by femtosecond far- and near-field optics

article

Ultrafast coherent dynamics in quantum wells for multisubband excitation in different density regimes

article

Ultrafast dephasing of continuum transitions in bulk semiconductors

scientific article

Ultrafast high‐intensity nonlinear absorption dynamics in low‐temperature grown gallium arsenide

article

Ultrafast nuclear dynamics of the acetylene cation C2H2+ and its impact on the infrared probe pulse induced C-H bond breaking efficiency

scientific article published on 01 August 2019

Ultrafast resolution of tunneling delay time

article

Ultrafast semiconductor thin disk lasers: Power scaling, wafer integration concept and optical versus electrical pumping

Ultrafast solid-state laser oscillators: a success story for the last 20 years with no end in sight

article by Ursula Keller published 13 May 2010 in Applied Physics B

Ultrafast solid-state lasers

Ultrafast solid-state mode-locked lasers using resonant nonlinearities

Ultrafast thin-disk laser with 80 μJ pulse energy and 242 W of average power

scientific article

Ultrafast ytterbium-doped bulk lasers and laser amplifiers

Unified approach to probing Coulomb effects in tunnel ionization for any ellipticity of laser light

scientific article published on 26 December 2013

VB-3 noninvasive optical sheet charge density probe for silicon integrated circuits

VECSEL gain characterization

scientific article

Versatile attosecond beamline in a two-foci configuration for simultaneous time-resolved measurements

scientific article

Vertical integration of ultrafast semiconductor lasers

Virtual single-photon transition interrupted: Time-gated optical gain and loss

Watt-level 10-gigahertz solid-state laser enabled by self-defocusing nonlinearities in an aperiodically poled crystal

scientific article published on 22 November 2017

What will it take to observe processes in 'real time'?

article

Wide bandwidth (100) GaAs/fluorides quarter‐wavelength Bragg reflectors grown by molecular beam epitaxy

Yb-doped mixed sesquioxides for ultrashort pulse generation in the thin disk laser setup

Yb:KGd(WO4)2 chirped-pulse regenerative amplifiers

article published in 2002

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