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List of works by Ajoy Kar

1.5 GHz picosecond pulse generation from a monolithic waveguide laser with a graphene-film saturable output coupler.

scientific article

1.9 µm waveguide laser fabricated by ultrafast laser inscription in Tm:Lu2O3 ceramic.

scientific article published in June 2017

320 fs pulse generation from an ultrafast laser inscribed waveguide laser mode-locked by a nanotube saturable absorber

article by S. J. Beecher et al published 13 September 2010 in Applied Physics Letters

3D laser-written silica glass step-index high-contrast waveguides for the 3.5 μm mid-infrared range

scientific article published in December 2015

3D microfabrication in YAG crystals by direct laser writing and chemical etching

5.9 GHz graphene based q-switched modelocked mid-infrared monolithic waveguide laser

scientific article published in October 2017

7.8-GHz Graphene-Based 2-μm Monolithic Waveguide Laser

70% slope efficiency from an ultrafast laser-written Nd:GdVO_4 channel waveguide laser

scientific article published on 01 November 2010

A 3D mammalian cell separator biochip

scientific article

A femtosecond laser inscribed biochip for stem cell therapeutic applications

scholarly article published 10 February 2011

A simple and efficient optically pumped NH3 laser system

Absorption saturation of n-type gallium phosphide

scholarly article by A.K. Kar et al published May 1981 in Optics Communications

Active waveguide fabrication in erbium doped oxyfluoride-silicate glass using femtosecond pulses

Active waveguide fabrication in erbium doped oxyfluoride-silicate glass using femtosecond pulses

Active waveguide fabrication in erbium-doped oxyfluoride silicate glass using femtosecond pulses

Advances in the development of mid-infrared integrated devices for interferometric arrays

article

All-optical switching potentiality in Fabry–Perot devices containing poly-DCHD

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

Angle resolved transmission spectroscopy of ZnSe based microcavities fabricated using epitaxial liftoff technique

article

Anisotropy in the nonlinear absorption of elongated silver nanoparticles in silica, probed by femtosecond pulses

Applications of Fiber Lasers for the Development of Compact Photonic Devices

article

Band‐edge refractive optical nonlinearities in molecular beam‐grown ZnSe epilayers

Bio-lab on a chip fabricated by femtosecond laser

Bragg Grating Waveguide Array Ultrafast Laser Inscribed into the Cladding of a Flat Fiber

article by Stephen J. Beecher et al published 2013 in MATEC Web of Conferences

Bragg gratings in chalcogenide optical fibre written with a frequency doubled Nd:YAG laser

scientific article published in October 2009

Broadband IR supercontinuum generation in hexagonal lattice tellurite photonic crystal fiber with dispersion optimized for pumping over 1500 nm

Broadband infrared supercontinuum generation in hexagonal-lattice tellurite photonic crystal fiber with dispersion optimized for pumping near 1560 nm.

scientific article

Broadband infrared supercontinuum generation in hexagonal-lattice tellurite photonic crystal fiber with dispersion optimized for pumping near 1560  nm: reply

scientific article published on 01 April 2014

Broadband supercontinuum generation in normal dispersion all-solid photonic crystal fiber pumped near 1300 nm

Carrier dynamics and emission‐line narrowing inn‐ andp‐type molecular‐beam grown ZnSe epilayers

Characterisation and control of white-light supercontinuum filaments in condensed media: application to remote sensing

Characterisation and optimisation of a dual-channel picosecond gain-switched DFB laser system for use as a pump–probe source

Characterisation of Multicore Tellurite Optical Fibre

Characterisation of white-light supercontinuum filaments in condensed media

Chromium-containing Organometallic Self-organized Materials for Nanophotonics

Coherence properties and control of supercontinuum filaments in condensed media

Compact Cr:ZnS channel waveguide laser operating at 2,333 nm.

scientific article

Compact mid-infrared Cr:ZnSe channel waveguide laser

article by J. R. Macdonald et al published 22 April 2013 in Applied Physics Letters

Compact, highly efficient ytterbium doped bismuthate glass waveguide laser

scientific article

Comparative evaluation of ultrafast laser beam interaction with the silvering in late Roman coins

Continuous wave channel waveguide lasers in Nd:LuVO4 fabricated by direct femtosecond laser writing.

scientific article

Controlling the Cross-section of Ultrafast Laser Inscribed Optical Waveguides

article published in 2011

Correlating structure with non-linear optical properties in xAs40Se60·(1-x)As40S60 glasses

Cr:ZnSe guided wave lasers and materials

Crack growth behavior of silicate thin films prepared by pulsed laser deposition

Defining requirements and identifying relevant technologies in astrophotonics

Design and realization of an all-fiber broadband tunable gain equalization filter for DWDM signals.

scientific article published in October 2007

Determining the 3D orientation of optically trapped upconverting nanorods by in situ single-particle polarized spectroscopy.

scientific article published on 26 November 2015

Direct laser writing of near-IR step-index buried channel waveguides in rare earth doped YAG.

scientific article

Direct ultrafast laser written C-band waveguide amplifier in Er-doped chalcogenide glass

article by Tamilarasan Sabapathy et al published 5 October 2012 in Optical materials express

Dispersive optical bistability in a PbSnSe etalon at room temperature

Dual-beam interference from a lensed multicore fiber and its application to optical trapping

scientific article published on 01 October 2012

Efficient mid-infrared Cr:ZnSe channel waveguide laser operating at 2486 nm.

scientific article

Efficient second harmonic generation in femtosecond laser written optical waveguides on periodically poled lithium niobate

Er-doped oxyfluoride silicate thin films prepared by pulsed laser deposition

Er:Yb-doped Waveguide Amplifier Fabricated in Oxyfluoride Silicate Glass Using Femtosecond Laser Inscription

Er:Yb-doped oxyfluoride silicate glass waveguide amplifier fabricated using femtosecond laser inscription

Er:Yb-doped waveguide amplifier fabricated in oxyfluoride silicate glass using femtosecond laser inscription

Erbium-doped waveguide fabrication via reactive pulsed laser deposition of erbium-doped oxyfluoride-silicate glass

Er : Yb-Doped Oxyfluoride Silicate Glass Waveguide Laser Fabricated Using Ultrafast Laser Inscription

Evanescent-wave coupled right angled buried waveguide: Applications in carbon nanotube mode-locking

article by R. Mary et al published 25 November 2013 in Applied Physics Letters

Excite-probe FEL (CLIO) study of two-photon-induced carrier dynamics in narrow gap semiconductors

Excitonic signatures in the photoluminescence and terahertz absorption of aGaAs∕AlxGa1−xAsmultiple quantum well

scholarly article in Physical Review B, vol. 71 no. 7, February 2005

Exciton–acoustic-phonon scattering in (Zn,Cd)Se/ZnSe quantum wells: The influence of quantum confinement

scholarly article in Physical Review B, vol. 59 no. 15, April 1999

Experimental demonstration of spectral broadening in an all-silica Bragg fiber

scientific article published on 01 September 2009

Experimental observation of elliptical defocusing in the organic material (p-toluene sulfonate)polydiacetylene

Fabrication and power scaling of a 17 W Cr:ZnSe waveguide laser

article by Patrick A. Berry et al published 8 August 2013 in Optical materials express

Fabrication of Multicore Tellurite Glass Optical Fibres

article published in 2007

Fabrication of air-clad fibers for near-IR laser application

Fe:ZnSe Channel Waveguide Laser Operating at 4122 nm

Femtosecond Laser Inscription of Low Insertion Loss Waveguides in $Z$-Cut Lithium Niobate

Femtosecond Laser Inscription of Optical Waveguides in Bismuth Ion Doped Glass

Femtosecond laser fabrication of silver nanostructures on glass for surface enhanced Raman spectroscopy

scientific article published on 19 November 2019

Femtosecond laser writing of waveguides in periodically poled lithium niobate preserving the nonlinear coefficient

Femtosecond pumping of eGFP transfected human embryonic kidney cells

Fiber Bragg gratings inscribed using 800nm femtosecond laser and a phase mask in single- and multi-core mid-IR glass fibers

scientific article

Flow effects in the laser-induced thermal loading of optical traps and optofluidic devices.

scientific article

Fluorescence imaging of lattice re-distribution on step-index direct laser written Nd:YAG waveguide lasers

Frequency Doubling in Femtosecond-Written Periodically-Poled Potassium Titanyl Phosphate Waveguides

Frequency doubling in femtosecond-written periodically-poled potassium titanyl phosphate waveguides

Gain-switched operation of ultrafast laser inscribed waveguides in Cr:ZnSe

scholarly article published 20 February 2015

Ge22As20Se58 glass ultrafast laser inscribed waveguides for mid-IR integrated optics

GeS 2 -Ga 2 S 3 -CsI chalcohalide glasses for all-optical switching devices

Generation of supercontinuum and its theoretical study in three-ring silica microstructured optical fibers

scientific article published on 01 November 2009

Geometrical effect characterization of femtosecond-laser manufactured glass microfluidic chips based on optical manipulation of submicroparticles

Heat in optical tweezers

High-contrast step-index waveguides in borate nonlinear laser crystals by 3D laser writing

scientific article

Homogeneous cooperative upconversion in sol-gel fabricated erbium doped channel waveguides

Imaging Flow Cytometry With Femtosecond Laser-Micromachined Glass Microfluidic Channels

Infrared FEL measurements of power limiting by two-photon absorption in InSb and optical pulse length measurements

article by D.A. Jaroszynski et al published July 1993 in Nuclear Instruments and Methods in Physics Research

Infrared free electron laser measurement of two-photon absorption in InAs and InSb over a wide spectral range

article published in 1993

Infrared free-electron laser measurement of power limiting by two-photon absorption in InSb

article by B. N. Murdin et al published March 1993 in Optical and Quantum Electronics

Injection locking of wide-aperture TEA CO_2 lasers

scientific article published on 01 January 1983

Injection-locking of TEA CO2 lasers by an orthogonally-polarised injection source

article by A.K. Kar et al published October 1982 in Optics Communications

Inorganic glasses as Kerr-like media

Internal gain from an erbium-doped oxyfluoride-silicate glass waveguide fabricated using femtosecond waveguide inscription

Laser Action From an Ultrafast Laser Inscribed Nd-Doped Silicate Glass Waveguide

Laser action from an Er: Yb-doped Oxyfluoride Silicate glass waveguide fabricated using femtosecond laser inscription

Lasing action at around 1.9 μm from an ultrafast laser inscribed Tm-doped glass waveguide

scientific article

Low Insertion Loss Waveguides in Lithium Niobate using Multi-Scan Femtosecond Inscription

Low loss waveguide on chalcogenide glass using ultrafast laser at low repetition rate

Microspectroscopy of ultrafast laser inscribed channel waveguides in Yb:tungstate crystals

article published in 2011

Microstructuring of Nd:YAG crystals by proton-beam writing.

scientific article

Mid-Infrared guiding and nonlinear spectral broadening in ultrafast laser inscribed gallium lanthanum sulphide waveguides

Mid-infrared laser emission from Fe:ZnSe cladding waveguides

Mid-infrared photonics enabled by 3D laser writing chalcogenide glass

Mid-infrared spectral broadening in an ultrafast laser inscribed gallium lanthanum sulphide waveguide

scientific article published on 01 January 2012

Mid-infrared waveguide lasers in rare-earth-doped YAG.

scientific article

Mode-locking using right-angle waveguide, based nanotube saturable absorber

scholarly article published June 2013

Multi-scan femtosecond laser waveguide inscription in z-cut Lithium Niobate

Multiple rare earth emissions in a multicore tellurite fiber with a single pump wavelength.

scientific article

Nanoindentation studies on waveguides inscribed in chalcogenide glasses using ultrafast laser

Near-infrared optical nonlinearities in amorphous chalcogenides

Near-resonance nonlinearities in triazole-quinone derivatives

Near-resonant refractive nonlinearity in polydiacetylene 9-BCMU thin films

scientific article published on 01 December 1993

Near-resonant third-order optical nonlinearities in p-toluene sulfonate polydiacetylene

New lasers and laser schemes

Nondegenerate two-photon absorption spectra of ZnSe, ZnS and ZnO

Nonlinear And Holographic Optical Elements For All-Optical Digital Processing

Nonlinear optical properties of chalcogenide glasses: Observation of multiphoton absorption

Nonlinear optical properties of multilayer graphene in the infrared.

scientific article

Nonlinear optical properties of silver-doped As2S3

Nonlinear refractive index of ultrafast laser inscribed waveguides in gallium lanthanum sulphide.

scientific article published in July 2017

Nonlinear refractive indices of polydiacetylene microcrystals

Novel tellurite core and cladding glasses for high numerical aperture optical fibre: Prospects for a supercontinuum optical fibre source

Observation of exciton-energy renormalization by the biexciton gas in semiconductors

scholarly article in Physical Review B, vol. 63 no. 8, February 2001

Operation of Ho:YAG ultrafast laser inscribed waveguide lasers.

scientific article

Optical bistability in InSb at room temperature with two‐photon excitation

Optical switching in PbSnSe at low temperature

Optical waveguide fabrication in z-cut lithium niobate (LiNbO3) using femtosecond pulses in the low repetition rate regime

Optically active erbium doped waveguides fabricated using reactive pulsed laser deposition (RPLD)

Optically active erbium-doped waveguides fabricated using a single-sol-gel-deposition technique

Passive mode-locking of a monolithic waveguide laser with simultaneous Q-switching

scholarly article published June 2013

Performance of photon drag and photon drag-optical rectification detectors in the 2 to 33 μm range

Phase stability and diffraction effects in self-focused white-light filaments in water and glass

Photo-thermal modifications in ultrafast laser inscribed chalcogenide glass waveguides

Photogenerated carrier recombination time in bulk ZnSe

Photon-recycling and optically driven plasma-expansion techniques applied to lifetime experiments on molecular-beam-epitaxy ZnSe

article published in 1996

Photosensitivity study of GeS2chalcogenide glass under femtosecond laser pulses irradiation

Picosecond Laser Ablation of Dentine in Endodontics

Plasma-expansion induced absorption and refraction changes in ZnSe epilayers

Polarization coupling effects in transversely excited atmospheric CO2lasers: Application to single axial mode operation

Polymer microcantilevers for thermal sensing

Power scaling of ultrafast laser inscribed waveguide lasers in chromium and iron doped zinc selenide.

scientific article

Probing the 4 I 13/2 level lifetime of Er-ions embedded in ultrafast laser inscribed waveguides

Publisher Correction: Femtosecond laser fabrication of silver nanostructures on glass for surface enhanced Raman spectroscopy

scientific article published on 16 March 2020

Q-switched mode-locking of a mid-infrared Tm:YAG waveguide laser with graphene film

scholarly article published June 2013

Quantum dot enabled thermal imaging of optofluidic devices.

scientific article

Quantum dot-based thermal spectroscopy and imaging of optically trapped microspheres and single cells

scientific article

Rare-earth oxide doped single and multi-cores heavy metal oxide fibres for lasers and amplifiers

Recent advances in mid-IR optical fibres for chemical and biological sensing in the 2-15μm spectral range

Red-shift of stimulated emission in ZnSe-based semiconductors

Refractive index and dispersion control of ultrafast laser inscribed waveguides in gallium lanthanum sulphide for near and mid-infrared applications.

scientific article

Refractive optical nonlinearities in a thin film ZnSe interference filter

Role of femtosecond pulses in distinguishing third- and fifth-order nonlinearity for semiconductor-doped glasses

Room-temperature optical nonlinearities of electronic origin in ZnSe

Room-temperature optical nonlinearities of electronic origin in ZnSe: errata

Saturation in the near-resonance nonlinearities in a triazole-quinone derivative

Self-Q-switched waveguide laser based on femtosecond laser inscribed Nd:Cr:YVO(4) crystal

scientific article published on September 2014

Sensing properties of germanate and tellurite glass optical fibres

Single Stage Ultrafast Laser Inscription of a Side-Polished Fiber-Like Waveguide Sensor

article by Stephen J. Beecher et al published May 2012 in IEEE Sensors Journal

Single‐pixel bistability with nonlinear interference filters

Slanted channel microfluidic chip for 3D fluorescence imaging of cells in flow

scientific article

Sm3+ ions Doped Phosphate Glasses for Multiband Visible Laser Applications

Sorting stem cells using a femtosecond laser inscribed biochip

scholarly article published November 2010

Spectral control of gain-switched lasers by injection-seeding: Application to TEA CO2 systems

article by D.M. Tratt et al published January 1985 in Progress in Quantum Electronics

Spectral dependence of the optical Stark effect in ZnSe-based quantum wells

scholarly article in Physical Review B, vol. 69 no. 8, February 2004

Spectrally tailored mid-infrared super-continuum generation in a buried waveguide spanning 1750 nm to 5000 nm for atmospheric transmission

article

Strain field manipulation in ultrafast laser inscribed BiB3O6 optical waveguides for nonlinear applications.

scientific article

Supercontinuum generation in an ultrafast laser inscribed chalcogenide glass waveguide.

scientific article

Supercontinuum generation up to 2.5 μm in photonic crystal fiber made of lead-bismuth-galate glass

Synthesis and Optical Characterization of Polydiacetylenes Containing Carboxylic Acid, Carbamate, Phosphonium, and Quaternary Ammonium Functionalities

Synthesis and nonlinear optical properties of functionalised polydiacetylenes and their complexes with transition metals

Tellurite Glasses for Broadband Amplifiers and Integrated Optics

Thermal dispersive optical bistability and absorptive bistability in bulk ZnSe

Thermal response of tellurite glass optical fibre

article

Thermal sensitivity of tellurite and germanate optical fibers

scientific article published on 01 July 2007

Three-core tellurite fiber with multiple rare earth emission

Three-dimensional femtosecond laser nanolithography of crystals

scientific article published on 31 December 2018

Three-dimensional microstructuring of yttrium aluminum garnet crystals for laser active optofluidic applications

scholarly article by D. Choudhury et al published 22 July 2013 in Applied Physics Letters

Three-dimensional mid-infrared photonic circuits in chalcogenide glass

scientific article

Three-dimensional optofluidic device for isolating microbes

Toward mid-IR supercontinuum generation in bismuth-lead-galate glass based photonic crystal fibers

Two Octaves Supercontinuum Generation in Lead-Bismuth Glass Based Photonic Crystal Fiber

scientific article published on 19 June 2014

Two dimensional interferometric optical trapping of multiple particles and Escherichia coli bacterial cells using a lensed multicore fiber

scientific article published in June 2013

Ultra broadband gain from a Bismuth-doped glass waveguide fabricated using ultrafast laser inscription

Ultra-short pulsed laser ablation of polymers

Ultrabroad Mid-Infrared Tunable Cr:ZnSe Channel Waveguide Laser

article by John R. Macdonald et al published January 2015 in IEEE Journal of Selected Topics in Quantum Electronics

Ultrafast laser inscribed Yb:KGd(WO4)2 and Yb:KY(WO4)2 channel waveguide lasers.

scientific article

Ultrafast laser inscribed devices for cell manipulation

Ultrafast laser inscribed waveguide lattice in glass for direct observation of transverse localization of light

Ultrafast laser inscription of Bragg-grating waveguides using the multiscan technique

scientific article published on 01 February 2012

Ultrafast laser inscription of a high-gain Er-doped bismuthate glass waveguide amplifier

scientific article

Ultrafast laser inscription of a three dimensional fan-out device for multicore fiber coupling applications

Ultrafast laser inscription of an integrated multimode-to-single-modes waveguide transition for astrophotonics

Ultrafast laser inscription of an integrated photonic lantern

scientific article published on 01 March 2011

Ultrafast laser inscription of bistable and reversible waveguides in strontium barium niobate crystals

Ultrafast laser inscription of low loss waveguides in polycrystalline ZnSe

scholarly article published November 2010

Ultrafast laser inscription of mid-IR integrated optics for astronomy

scholarly article published May 2011

Ultrafast laser inscription of near-infrared waveguides in polycrystalline ZnSe.

scientific article

Ultrafast laser inscription: an enabling technology for astrophotonics

scientific article

Ultrafast laser inscription: perspectives on future integrated applications

Ultrafast laser inscription: science today, technology tomorrow

Ultrafast laser writing of optical waveguides in ceramic Yb:YAG: a study of thermal and non-thermal regimes

Ultrafast nonlinear refraction in integrated Fabry-Perot etalon containing polydiacetylene

Ultrafast photochemistry produces superbright short-wave infrared dots for low-dose in vivo imaging

scientific article published on 10 June 2020

Ultrafast-laser inscription of a three dimensional fan-out device for multicore fiber coupling applications.

scientific article

Ultrashort laser ablation of PMMA and intraocular lenses

Waveguide fabrication and supercontinuum generation in an ultrafast laser inscribed chalcogenide glass waveguide

White-light filaments induced by diffraction effects

scientific article published on 01 March 2005

Yb:KGd(WO 4 ) 2 channel waveguide laser fabricated by ultrafast laser writing

ZnSe-based microcavity fabricated using epitaxial liftoff

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