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Research Output 1980 2019

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Conference contribution
2019

Mid-IR ultrafast laser inscribed waveguides and devices

McDaniel, S., Thorburn, F., Liebig, C., Evans, J., Coco, M., Cook, G. & Kar, A., 14 Oct 2019, 2019 IEEE Research and Applications of Photonics in Defense Conference (RAPID). IEEE, 8864360

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Ultrafast lasers
infrared lasers
Waveguides
waveguides
lasers
2018

Mid-IR supercontinuum generation in ultrafast laser inscribed waveguides

Morris, J. M., Mackenzie, M. D., Petersen, C. R., Kar, A. K., Bang, O. & Bookey, H. T., 2018, CLEO: Science and Innovations 2018. Optical Society of America, SM3D.2

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Supercontinuum generation
Ultrafast lasers
Waveguides
Ultrashort pulses
Wavelength

Negative irradiance-dependent nonlinear refraction in single-layer graphene

Demetriou, G., Biancalana, F., Abraham, E., Ji, W., Wang, Y. & Kar, A. K., 2018, CLEO: Applications and Technology 2018. Optical Society of America, JTu2A.115

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Graphite
Refraction
Graphene
2017

5.9 GHz Q-Switched mode-locked mid-infrared Ho: YAG waveguide laser

Thorburn, F., Lancaster, A., McDaniel, S. A., Cook, G. & Kar, A. K., 2017, CLEO: Science and Innovations, 2017. Optical Society of America, SM1I.5

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Holmium
Laser mode locking
Graphite
Laser modes
Graphene

Cr:ZnSe guided wave lasers and materials

McDaniel, S., Lancaster, A., Stites, R., Thorburn, F., Kar, A. & Cook, G., 17 Feb 2017, Solid State Lasers XXVI: Technology and Devices 2017. SPIE, 100820D. (Proceedings of SPIE; vol. 10082).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Guided Waves
Guided electromagnetic wave propagation
Laser
Lasers
laser materials

Particle manipulation within an ultrafast laser inscribed optofluidic device

Keloth, A., Jimenez, M., Kar, A. K. & Paterson, L., 11 Apr 2017, Optical Trapping Applications 2017. Optical Society of America, OtW2E.3

Research output: Chapter in Book/Report/Conference proceedingConference contribution

manipulators
silicon dioxide
waveguides
lasers

Waveguide Tm: Lu2O3 ceramic laser fabricated by ultrafast laser inscription

Stevenson, N. K., Morris, J., Bookey, H., Kar, A. K., Brown, C. T. A., Hopkins, J-M., Dawson, M. D. & Lagatsky, A. A., 25 Jun 2017, The European Conference on Lasers and Electro-Optics 2017. Optical Society of America, CJ_10_3

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Ultrafast lasers
Waveguides
Lasers
Pulse repetition rate
Laser tuning
2016

3D optical waveguides in Ge22As20Se58 glass - A highly nonlinear material for the Mid-IR

Morris, J. M., Demetriou, G., Lancaster, A., Kar, A. K. & Bookey, H. T., 19 Dec 2016, 2016 Conference on Lasers and Electro-Optics (CLEO). IEEE, 7788095

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Ultrafast lasers
Integrated optics
integrated optics
Optical waveguides
optical waveguides
2015

1.94 GHz CW modelocked ytterbium-doped bismuthate glass waveguide laser

Lancaster, A., Choudhary, A., Jha, N. S., Mary, R., Shepherd, D. P. & Kar, A. K., 2015, Advanced Solid State Lasers 2015. Optical Society of America, AM5A.22

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Ytterbium
Waveguides
Ultrafast lasers
Glass
Lasers

Fe: ZnSe channel waveguide laser operating at 4122 nm

Lancaster, A., Cook, G., McDaniel, S. A., Evans, J. W., Berry, P. A., Shephard, J. & Kar, A. K., 2015, CLEO: Science and Innovations, CLEO-SI 2015. Optical Society of America

Research output: Chapter in Book/Report/Conference proceedingConference contribution

waveguide lasers
Waveguides
Lasers
Full width at half maximum
Demonstrations

Fluorescence in erbium doped gallium lanthanum sulphide: Potential for mid-IR waveguide laser

Demetriou, G., Thorburn, F., Lancaster, A., Craig, C., Weatherby, E., Hewak, D. W. & Kar, A. K., 4 May 2015, CLEO: Science and Innovations 2015. Optical Society of America, p. 2267 1 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Erbium
Ultrafast lasers
Lanthanum
Laser applications
Gallium

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

McDaniel, S. A., Berry, P. A., Schepler, K. L., Macdonald, J. R., Beecher, S. J. & Kar, A. K., 2015, Solid State Lasers XXIV: Technology and Devices. Clarkson, WA. & Shori, RK. (eds.). Bellingham: SPIE, 8 p. (Proceedings of SPIE; vol. 9342).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Nonlinear optical properties of A graphene-polyvinyl alcohol composite from 1550 nm to 2400 nm

Demetriou, G., Biancalana, F., Bookey, H. T. & Kar, A. K., May 2015, CLEO: QELS - Fundamental Science, CLEO_QELS 2015. Optical Society of America

Research output: Chapter in Book/Report/Conference proceedingConference contribution

polyvinyl alcohol
Polyvinyl alcohols
Graphene
graphene
Optical properties

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

Milanese, D., Lousteau, J., Pugliese, D., Janicek, P., Boetti, N. G., Ceci-Ginistrelli, E., Demetriou, G., Kar, A. K. & Bookey, H. T., 12 Aug 2015, International Conference on Transparent Optical Networks. IEEE, 7193544

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Optical fibers
Glass
Optical materials
Optical devices
Transparency

Photosensitivity study of GeS2 chalcogenide glass under femtosecond laser pulses irradiation

Ayiriveetil, A., Sabapathy, T., Kar, A. K. & Asokan, S., 2015, International Conference on Optical and Photonic Engineering (icOPEN 2015). Asundi, A. K. & Fu, Y. (eds.). SPIE, 7 p. (Proceedings of SPIE; vol. 9524).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Sm<sup>3+</sup> ions doped phosphate glasses for multiband visible laser applications

Jha, N. S., Linganna, K., Jayasankar, C. K. & Kar, A. K., May 2015, CLEO: Applications and Technology 2015. Optical Society of America

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Laser applications
laser applications
Amplification
phosphates
Phosphates

Three-dimensional optofluidic device for isolating microbes

Keloth, A., Paterson, L., Markx, G. H. & Kar, A. K., 2015, Microfluidics, BioMEMS, and Medical Microsystems XIII. Gray, BL. & Becker, H. (eds.). Bellingham: SPIE, 6 p. 93200Z. (Proceedings of SPIE; vol. 9320).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

2014

57 Channel (19×3) spatial multiplexer fabricated using direct laser inscription

Mitchell, P., Brown, G., Thomson, R., Psaila, N. & Kar, A., 2014, Optical Fiber Communication Conference, OFC 2014. Optical Society of America

Research output: Chapter in Book/Report/Conference proceedingConference contribution

insertion loss
lasers
photonics

57 channel (19x3) spatial multiplexer fabricated using direct laser inscription

Mitchell, P., Brown, G., Thomson, R., Psaila, N. & Kar, A., 2014, Optical Fiber Communication Conference 2014. Optical Society of America, (Optics InfoBase Conference Papers).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

insertion loss
lasers
photonics

All solid state compact waveguide lasers

Kar, A. K., 10 Nov 2014, Latin America Optics and Photonics Conference 2014. Optical Society of America

Research output: Chapter in Book/Report/Conference proceedingConference contribution

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

Klimczak, M., Stȩpniewski, G., Bookey, H., Pysz, D., Waddie, A., Stȩpień, R., Kar, A., Taghizadeh, M. R. & Buczyński, R., 20 Feb 2014, Proceedings of SPIE - The International Society for Optical Engineering. Vol. 8964. 89640V

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Supercontinuum generation
Supercontinuum Generation
Hexagonal Lattice
Photonic crystal fibers
Photonic Crystal

Multicore optical fibers for multi-band laser and amplifier

Jha, N. S., Kar, A. K., Paul, M. C., Pal, M., Dhar, A., Das, S. K., Sahu, J. K., Nunez-Velazquez, M. & Bookey, H. T., Dec 2014, International Conference on Fibre Optics and Photonics, 2014. Optical Society of America

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Fiber lasers
Optical fibers
Fiber amplifiers
Lasers
Rare earths

Optofluidic microscopy using femtosecond micromachined glass microfluidics

Jagannadh, V. K., Mackenzie, M. D., Pal, P., Kar, A. K. & Gorthi, S. S., 2014, International Conference on Fibre Optics and Photonics, 2014. Optical Society of America, (Optics InfoBase Conference Papers).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Microfluidics
Microscopic examination
Glass
Microscopes
Imaging techniques
2013

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

Choudhury, D., Rodenas, A., Paterson, L., Jaque, D. & Kar, A. K., 2013, 2013 Conference on Lasers and Electro-Optics Pacific Rim (CLEO-PR). 6600562

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Microfabrication
yttrium-aluminum garnet
Etching
selectivity
etching

Bio-lab on a chip fabricated by femtosecond laser

Kar, A. K., 2013, 2013 Conference on Lasers and Electro-Optics Pacific Rim (CLEO-PR). 6600170

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Lab-on-a-chip
Biocompatible Materials
Ultrashort pulses
Biomaterials
engineers

Compact Cr: ZnS channel waveguide laser operating at 2360 nm

Macdonald, J. R., Beecher, S. J., Berry, P. A., Schepler, K. L., Mirov, S. B. & Kar, A. K., 2013, Mid-Infrared Coherent Sources 2013. Optical Society of America, (Optics InfoBase Conference Papers).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

waveguide lasers
Waveguides
slopes
cavities
Lasers

Heat in optical tweezers

Del Rosal, B., Haro-González, P., Ramsay, W. T., Maestro, L. M., Santacruz-Gómez, K., Iglesias-De La Cruz, M. C., Sanz-Rodríguez, F., Chooi, J. Y., Rodríguez-Sevilla, P., Choudhury, D., Kar, A. K., García-Solé, J. G., Patterson, L. & Jaque, D., 11 Dec 2013, Proceedings of SPIE - The International Society for Optical Engineering. Vol. 8810. 88102A

Research output: Chapter in Book/Report/Conference proceedingConference contribution

trapping
heat
heating
damage
lymphocytes

Laser-inscribed Cr: ZnSe channel waveguide lasers

Berry, P. A., Macdonald, J. R., Beecher, S. J., McDaniel, S. A., Schepler, K. L. & Kar, A. K., 2013, Advanced Solid-State Lasers 2013. Optical Society of America, (Optical Society Conference Papers ).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

waveguide lasers
Waveguides
waveguides
Lasers
lasers

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

Sabapathy, T., Sivakumar, G., Ayiriveetil, A., Kar, A. K. & Asokan, S., 2013, International Conference on Optics in Precision Engineering and Nanotechnology . Vol. 8769. 87693U. (Proceedings of SPIE; vol. 8769).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Chalcogenide Glasses
Electric losses
Ultrafast Lasers
Glass lasers
Ultrafast lasers

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

Brown, G., Thomson, R. R., Beecher, S. J., Mary, R., Popa, D., Sun, Z., Torrisi, F., Hasan, T., Milana, S., Bonaccorso, F., Ferrari, A. C. & Kar, A. K., 2013, 2013 Conference on Lasers and Electro-Optics/Pacific Rim (CLEOPR). IEEE, 2 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Optical trapping using a lensed multicore fiber

Barron, A. L., Kar, A. K., Brown, G., Aspray, T. J., Waddie, A. J., Taghizadeh, M. R. & Bookey, H. T., 1 Dec 2013, Optics InfoBase Conference Papers.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Escherichia coli
Fans
Fusion reactions
trapping
fibers

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

Mary, R., Brown, G., Beecher, S. J., Ohara, S. & Kar, A. K., 2013, 2013 Conference on Lasers and Electro-Optics Pacific Rim (CLEO-PR). 6600165

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Ytterbium
Passive mode locking
Q switching
Pulse repetition rate
waveguide lasers

Photo-thermal modifications in ultrafast laser inscribed chalcogenide glass waveguides

Sivakumar, G., Sabapathy, T., Ayiriveetil, A., Kar, A. K. & Asokan, S., 2013, International Conference on Optics in Precision Engineering and Nanotechnology 2013. Vol. 8769. 87692L. (Proceedings of SPIE; vol. 8769).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Chalcogenide Glasses
Ultrafast Lasers
Ultrafast lasers
Thermal Diffusion
Thermal Model

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

Ren, Y. Y., Beecher, S. J., Brown, G., Rodenas, A., Lancaster, A., Chen, F. & Kar, A. K., 2013, 2013 Conference on Lasers and Electro-Optics Pacific Rim (CLEO-PR). 6600297

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Laser mode locking
Graphite
waveguide lasers
Graphene
locking

Two dimensional trapping using four core interference from a lensed multicore fiber

Barron, A. L., Kar, A. K., Waddie, A. J., Taghizadeh, M. R. & Bookey, H. T., 2013, 2013 Conference on Lasers and Electro-Optics Pacific Rim (CLEO-PR). New York: IEEE, 2 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Widely tunable Cr: ZnSe channel waveguide laser

Macdonald, J. R., Beecher, S. J., Berry, P. A., Schepler, K. L. & Kar, A. K., 2013, Mid-Infrared Coherent Sources 2013. Optical Society of America, (Optics InfoBase Conference Papers).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

waveguide lasers
Waveguides
cavities
Lasers
output
2012

Continuous flow single cell electroporation in an ultrafast laser inscribed optofluidic device

Choudhury, D., Maestro, L. M., Ramsay, W., Paterson, L., Jaque, D. & Kar, A. K., 2012, International Conference on Fibre Optics and Photonics 2012. Optical Society of America, T1A.4

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Ultrafast lasers
Semiconductor quantum dots
Waveguides
Infrared radiation
Hot Temperature

Lensed multi-core fiber for interferometric optical tweezing applications

Barron, A. L., Kar, A. K. & Bookey, H., 2012, Proceedings of the 2012 Conference on Lasers and Electro-Optics. IEEE, p. 984-985 2 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

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

Rodenas, A., McCarthy, J., Psaila, N. D., Brown, G., Bookey, H. T., Thomson, R. R. & Kar, A. K., 2012, Proceedings of SPIE: Electro-Optical Remote Sensing, Photonic Technologies, And Applications VI. Kamerman, GW., Steinvall, O., Bishop, GJ., Gonglewski, J., Lewis, KL., Hollins, RC., Merlet, TJ., Gruneisen, MT., Dusek, M. & Rarity, JG. (eds.). Bellingham: SPIE, Vol. 8542. 11 p. (Proceedings of SPIE; vol. 8542).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Near-IR to mid-IR multimode waveguides in rare-earth doped YAG by ultrafast laser inscription

Ren, Y., Beecher, S. J., Brown, G., Rodenas, A., Chen, F. & Kar, A. K., 2012, 2012 Conference on Lasers and Electro-Optics (CLEO). IEEE, 2 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Quantum dot thermal imaging of on-chip laser excited microfluidics

Choudhury, D., Jaque, D., Rodenas, A., Ramsay, W. T., Paterson, L. & Kar, A. K., 2012, 2012 Conference on Lasers and Electro-Optics. IEEE, 2 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

2011

A femtosecond laser inscribed biochip for stem cell therapeutic applications

Choudhury, D., Ramsay, W. T., Brown, G., Psaila, N. D., Beecher, S., Thomson, R. R., Kiss, R., Pells, S., Willoughby, N. A., Paterson, L. & Kar, A. K., 2011, Microfluidics, BioMEMS, and Medical Microsystems IX. Becker, H. & Gray, BL. (eds.). BELLINGHAM: SPIE, Vol. 7929. p. - 6 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Cell Separation
Elasticity
Lasers
Stem Cells
Equipment and Supplies

Ultrafast laser inscription: Science today, technology tomorrow

Choudhury, D., Ramsay, W. T., Willoughby, N. A., Paterson, L. & Kar, A. K., 29 Nov 2011, Passive Components and Fiber-based Devices VIII. Pal, B. P. (ed.). Bellingham (Washington State): SPIE, 11 p. (Passive Components and Fiber-based Devices; vol. 8).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

2010

420 fs pulses from an ultrafast laser inscribed waveguide laser utilizing a carbon nanotube saturable absorber

Beecher, S. J., Thomson, R. R., Psaila, N. D., Kar, A. K., Sun, Z., Hasan, T., Rozhin, A. G. & Ferrari, A., 2010, Lasers and Electro-Optics/Quantum Electronics and Laser Science Conference: 2010 Laser Science to Photonic Applications, CLEO/QELS 2010.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

waveguide lasers
absorbers
carbon nanotubes
pulses
locking

Characterisation of Yb-Tm co-doped air-clad fibers for 2 μm laser applications

Ghosh, D., Bookey, H. T., Pal, M., Paul, M. C., Bhadra, S. K. & Kar, A. K., 2010, 2010 23rd Annual Meeting of the IEEE Photonics Society, PHOTINICS 2010. p. 510-511 2 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

laser applications
lasing
cavities
fibers
air

Defining requirements and identifying relevant technologies in Astrophotonics

Allington-Smith, J. R., Birks, T. A., Bland-Hawthorn, J., Cunningham, C. R., Dagupta, S., Haynes, R., Garcia, P. J. V., Kar, A. K., Andreas, K., Kern, P. Y., Labadie, L., Lawrence, J. S., Le Coarer, E. P., Roth, M. M., Minardi, S., Sharples, R. M. & Thomson, R. R., 2010, Modern Technologies in Space- and Ground-Based Telescopes and Instrumentation. Vol. 7739.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Europa
requirements
observatories
astrophysics
interferometry

Micro-luminescence and micro-Raman mapping of ultrafast laser inscribed Yb: KGd(WO4)2and Yb:KY(WO4)2 channel waveguides

Bain, F. M., Lagatsky, A. A., Silva, W. F., Jaque, D., Thomson, R. R., Psaila, N. D., Kar, A. K., Sibbett, W. & Brown, C. T. A., 2010, Lasers and Electro-Optics/Quantum Electronics and Laser Science Conference: 2010 Laser Science to Photonic Applications, CLEO/QELS 2010.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Luminescence
Lasers
potassium gadolinium tungstate

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

McCarthy, J. E., Bookey, H. T., Psaila, N. D., Thomson, R. R. & Kar, A. K., 2010, 2010 23rd Annual Meeting of the IEEE Photonics Society, PHOTINICS 2010. p. 538-539 2 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

lanthanum
gallium
sulfides
laser beams
waveguides

Sorting stem cells using a femtosecond laser inscribed biochip

Choudhury, D., Ramsay, W. T., Psaila, N. D., Brown, G., Beecher, S., Paterson, L., Kar, A. K., Kiss, R., Willoughby, N. A. & Pell, S., 2010, 2010 23RD ANNUAL MEETING OF THE IEEE PHOTONICS SOCIETY. NEW YORK: IEEE, p. 216-217 2 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Strain field manipulation in ultrafast laser inscribed nonlinear BiB3O6 optical waveguides

Beecher, S. J., Thomson, R. R., Psaila, N. D., Reid, D. T., Kar, A. K. & Ebrahim-Zadeh, M., 2010, 2010 Conference on Lasers and Electro-Optics (CLEO) and Quantum Electronics and Laser Science Conference (QELS). IEEE, 2 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution