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Research Output

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

Mary, R., Brown, G., Beecher, S. J., Torrisi, F., Milana, S., Popa, D., Hasan, T., Sun, Z., Lidorikis, E., Ohara, S., Ferrari, A. C. & Kar, A. K., 8 Apr 2013, In : Optics Express. 21, 7, p. 7943-7950 8 p.

Research output: Contribution to journalArticle

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

Morris, J., Stevenson, N. K., Bookey, H. T., Kar, A. K., Brown, C. T. A., Hopkins, J-M., Dawson, M. D. & Lagatsky, A., 26 Jun 2017, In : Optics Express. 25, 13, p. 14910-14917 8 p.

Research output: Contribution to journalArticle

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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

12.8-μm NH3 laser emission with 40-60% power conversion and up to 28% energy conversion efficiency

Gupta, P. K., Kar, A. K., Taghizadeh, M. R. & Harrison, R. G., 1981, In : Applied Physics Letters. 39, 1, p. 32-34 3 p.

Research output: Contribution to journalArticle

2 PHOTON INDUCED OPTICAL BISTABILITY IN CDHGTE AT ROOM-TEMPERATURE

CRAIG, D., KAR, A. K., MATHEW, J. G. H. & MILLER, A., 1985, In : IEEE Journal of Quantum Electronics. 21, 9, p. 1363-1369 7 p.

Research output: Contribution to journalArticle

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

Beecher, S. J., Thomson, R. R., Psaila, N. D., Sun, Z., Hasan, T., Rozhin, A. G., Ferrari, A. C. & Kar, A. K., 13 Sep 2010, In : Applied Physics Letters. 97, 11, 111114.

Research output: Contribution to journalArticle

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

Martinez, J., Rodenas, A., Fernandez, T., Vazquez de Aldana, J. R., Thomson, R. R., Aguilo, M., Kar, A. K., Solis, J. & Diaz, F., 15 Dec 2015, In : Optics Letters. 40, 24, p. 5818-5821 4 p.

Research output: Contribution to journalArticle

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

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

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

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

Thorburn, F., Lancaster, A., McDaniel, S., Cook, G. & Kar, A. K., 12 Oct 2017, In : Optics Express. 25, 21, p. 26166-26174 9 p.

Research output: Contribution to journalArticle

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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

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

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

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

Ren, Y., Brown, G., Mary, R., Demetriou, G., Popa, D., Torrisi, F., Ferrari, A. C., Chen, F. & Kar, A. K., 1 Jan 2015, In : IEEE Journal of Selected Topics in Quantum Electronics. 21, 1, 1602106.

Research output: Contribution to journalArticle

Open Access
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70% slope efficiency from an ultrafast laser-written Nd: GdVO4 channel waveguide laser

Tan, Y., Rodenas, A., Chen, F., Thomson, R. R., Kar, A. K., Jaque, D. & Lu, Q., 22 Nov 2010, In : Optics Express. 18, 24, p. 24994-24999 6 p.

Research output: Contribution to journalArticle

A 3D mammalian cell separator biochip

Choudhury, D., Ramsay, W. T., Kiss, R., Willoughby, N. A., Paterson, L. & Kar, A. K., 2012, In : Lab on a Chip. 12, 5, p. 948-953 6 p.

Research output: Contribution to journalArticle

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

Thomson, R. R., Campbell, S., Shen, S., Jha, A., Kar, A. K. & Reid, D. T., 2005, 18th Annual Meeting of the IEEE Lasers and Electro-Optics Society, LEOS 2005. Vol. 2005. p. 681-682 2 p.

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

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

Thomson, R. R., Campbell, S., Blewett, I. J., Kar, A. K., Reid, D. T., Shen, S. & Jha, A., 19 Sep 2005, In : Applied Physics Letters. 87, 12, p. 1-3 3 p., 121102.

Research output: Contribution to journalArticle

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

Thomson, R. R., Bookey, H. T., Psaila, N., Campbell, S., Reid, D. T., Kar, A. K., Shen, S. & Jha, A., 2006, Conference on Lasers and Electro-Optics and 2006 Quantum Electronics and Laser Science Conference, CLEO/QELS 2006.

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

Active waveguide fabrication in novel Erbium doped glasses using focussed femtosecond pulses

Thomson, R. R., Brown, G., Biewett, I. J., Campbell, S., Reid, D. T., Kar, A. K., Shen, S. & Jha, A., 2005, 2005 Conference on Lasers and Electro-Optics, CLEO. Vol. 3. p. 2194-2196 3 p.

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

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

All-optical power limiting of CO2 laser pulses using cascaded optical bistable elements

Walker, A. C., Kar, A. K., Ji, W., Keller, U. & Smith, S. D., 1986, In : Applied Physics Letters. 48, 11, p. 683-685 3 p.

Research output: Contribution to journalArticle

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

Camacho, M. A., Kar, A. K., Wherrett, B. S., Bakarezos, M., Rangel-Rojo, R., Yamada, S., Matsuda, H., Kasai, H. & Nakanishi, H., 15 Jul 2005, In : Optics Communications. 251, 4-6, p. 376-387 12 p.

Research output: Contribution to journalArticle

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

Analysis of multiple photon excitation and carbon isotope separation of CF3I

Taghizadeh, M. R., Kar, A. K., Harrison, R. G. & Gupta, P. K., 1983, Quantum Electronics and Electro-Optics; Proceedings of the Fifth National Quantum Electronics Conference, held in September, 1981, in Hull, UK. Wiley, 4 p.

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

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

Rangel-Rojo, R., McCarthy, J. E., Bookey, H. T., Kar, A. K., Rodriguez-Fernandez, L., Cheang-Wong, J. C., Crespo-Sosa, A., Lopez-Suarez, A., Oliver, A., Rodriguez-Iglesias, V. & Silva-Pereyra, H. G., 1 May 2009, In : Optics Communications. 282, 9, p. 1909-1912 4 p.

Research output: Contribution to journalArticle

Anomalous polarisation coupling in TEA CO2 lasers

Harrison, R. G., Kar, A. K., Tratt, D., Emshary, C. A. & Smith, D., 1983, Proceedings of the International Conference on Lasers '82. p. 632-635 4 p.

Research output: Chapter in Book/Report/Conference proceedingOther chapter contribution

Anomalous Polarization Coupling in Tea Co2-Lasers

Kar, A. K., Harrison, R. G., Emshary, C. A., Tratt, D. & Smith, D., 1982, In : Applied Physics B: Photophysics and Laser Chemistry. 29, 3, p. 145-146 2 p.

Research output: Contribution to journalArticle

Applications of fiber lasers for the development of compact photonic devices

Mary, R., Choudhury, D. & Kar, A. K., 2014, In : IEEE Journal of Selected Topics in Quantum Electronics. p. 1-12 13 p.

Research output: Contribution to journalArticle

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A simple and efficient optically pumped NH3 laser system

Harrison, R. G., Gupta, P. K., Kar, A. K. & Taghizadeh, M. R., 1980, In : Optical Communication. 34, 3, p. 445-446 2 p.

Research output: Contribution to journalArticle

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

Bolger, J. A., Galbraith, I., Kar, A. K., Simpson, J., Wang, S. Y., Prior, K. A., Cavenett, B. C. & Wherrett, B. S., 1993, In : Applied Physics Letters. 63, 6, p. 709-711 3 p.

Research output: Contribution to journalArticle

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

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

Cook, K., Ducros, N., Février, S., Åslund, M., Canning, J. & Kar, A. K., 2009, 2009 IEEE LEOS Annual Meeting Conference Proceedings, LEOS '09. p. 416-417 2 p.

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

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

Klimczak, M., Stepniewski, G., Bookey, H., Szolno, A., Stepien, R., Pysz, D., Kar, A., Waddie, A., Taghizadeh, M. R. & Buczynsk, R., 15 Apr 2014, In : Optics Letters. 39, 8, p. 2241-2241 1 p.

Research output: Contribution to journalArticle

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

Klimczak, M., Stepniewski, G., Bookey, H., Szolno, A., Stepien, R., Pysz, D., Kar, A. K., Waddie, A. J., Taghizadeh, M. R. & Buczynski, R., 15 Nov 2013, In : Optics Letters. 38, 22, p. 4679-4682 4 p.

Research output: Contribution to journalArticle

Open Access
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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

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

Stepniewski, G., Klimczak, M., Bookey, H., Siwicki, B., Pysz, D., Stepien, R., Kar, A. K., Waddie, A. J., Taghizadeh, M. R. & Buczynski, R., 1 May 2014, In : Laser Physics Letters. 11, 5, 055103.

Research output: Contribution to journalArticle

Carrier dynamics and emission-line narrowing in n- and p-type molecular-beam grown ZnSe epilayers

Bolger, J. A., Kar, A. K., Wherrett, B. S., Prior, K. A., Simpson, J., Wang, S. Y. & Cavenett, B. C., 1993, In : Applied Physics Letters. 63, 5, p. 571-573 3 p.

Research output: Contribution to journalArticle

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

Bookey, H. T. G. & Kar, A. K., 1 Apr 2005, In : Optics Communications. 248, 1-3, p. 229-239 11 p.

Research output: Contribution to journalArticle

Characterisation of multicore tellurite optical fibre

Bookey, H. T., Thomson, R. R., Kar, A. K., Li, H., MacPherson, W. N., Barton, J. S., Lousteau, J., Hill, C. J., Jiang, X. & Jha, A., 2007, 2007 European Conference on Lasers and Electro-Optics and the International Quantum Electronics Conference, CLEO.

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

Characterisation of white-light supercontinuum filaments in condensed media

Cook, K., Kar, A. K. & Lamb, R. A., 2005, 2005 European Quantum Electronics Conference, EQEC '05. Vol. 2005. p. 41-

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

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

Chromium-containing organometallic self-organized materials for nanophotonics

Klapshina, L. G., Grigoryev, I. S., Semenov, V. V., Douglas, W. E., Bushuk, B. A., Bushuk, S. B., Lukianov, A. Y., Afanasev, A. V., Benfield, R. E., Bookey, H. T., Kar, A. K., Nurgaleev, I. F., Korytin, A. I. & Sergeev, A. M., 2006, 2006 Northern Optics Conference, NO. p. 29-34 6 p.

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

Coherence properties and control of supercontinuum filaments in condensed media

Cook, K., Kar, A. K. & Lamb, R. A., 2005, 18th Annual Meeting of the IEEE Lasers and Electro-Optics Society, LEOS 2005. Vol. 2005. p. 430-431 2 p.

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

Coherent exciton-biexciton interaction studied by femtosecond spectroscopy

Galbraith, I., Blewett, I. J., Tookey, A., Kar, A. K. & Wherrett, B. S., 1998, In : Journal of Crystal Growth. 184-185, p. 654-661 8 p.

Research output: Contribution to journalArticle

Compact, highly efficient ytterbium doped bismuthate glass waveguide laser

Mary, R., Beecher, S. J., Brown, G., Thomson, R. R., Jaque, D., Ohara, S. & Kar, A. K., 15 May 2012, In : Optics Letters. 37, 10, p. 1691-1693 3 p.

Research output: Contribution to journalArticle

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