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Research Output

2012

Three-dimensional mid-infrared photonic circuits in chalcogenide glass

Rodenas, A., Martin, G., Arezki, B., Psaila, N., Jose, G., Jha, A., Labadie, L., Kern, P., Kar, A. & Thomson, R., 1 Feb 2012, In : Optics Letters. 37, 3, p. 392-394 3 p.

Research output: Contribution to journalArticle

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

Ghosh, S., Psaila, N. D., Thomson, R. R., Pal, B. P., Varshney, R. K. & Kar, A. K., 5 Mar 2012, In : Applied Physics Letters. 100, 10, 4 p., 101102.

Research output: Contribution to journalArticle

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

Brown, G., Thomson, R. R., Kar, A. K., Psaila, N. D. & Bookey, H. T., 6 Feb 2012, In : Optics Letters. 37, 4, p. 491-493 3 p.

Research output: Contribution to journalArticle

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

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

Rodenas, A., Benayas, A., MacDonald, J. R., Zhang, J., Tang, D. Y., Jaque, D. & Kar, A. K., 1 Sep 2011, In : Optics Letters. 36, 17, p. 3395-3397 3 p.

Research output: Contribution to journalArticle

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

Ghosh, D., Halder, A., Pal, M., Paul, M. C., Bhadra, S. K., Kar, A. K. & Bookey, H., 1 Sep 2011, In : Applied Optics. 50, 25, p. E1-E6 6 p.

Research output: Contribution to journalArticle

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

Rodenas, A. & Kar, A. K., 29 Aug 2011, In : Optics Express. 19, 18, p. 17820-17833 14 p.

Research output: Contribution to journalArticle

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

Fusari, F., Thomson, R. R., Jose, G., Bain, F. M., Lagatsky, A. A., Psaila, N. D., Kar, A. K., Jha, A., Sibbett, W. & Brown, C. T. A., 1 May 2011, In : Optics Letters. 36, 9, p. 1566-1568 3 p.

Research output: Contribution to journalArticle

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

Bain, F. M., Silva, W. F., Lagatsky, A. A., Thomson, R. R., Psaila, N. D., Kar, A. K., Sibbett, W., Jaque, D. & Brown, C. T. A., 4 Apr 2011, In : Applied Physics Letters. 98, 14, 3 p., 141108.

Research output: Contribution to journalArticle

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

Beecher, S. J., Thomson, R. R., Reid, D. T., Psaila, N. D., Ebrahim-Zadeh, M. & Kar, A. K., 1 Dec 2011, In : Optics Letters. 36, 23, p. 4548-4550 3 p.

Research output: Contribution to journalArticle

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

Ultrafast laser inscription of an integrated photonic lantern

Thomson, R. R., Birks, T. A., Leon-Saval, S. G., Kar, A. K. & Bland-Hawthorn, J., 14 Mar 2011, In : Optics Express. 19, 6, p. 5698-5705 8 p.

Research output: Contribution to journalArticle

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

Benayas, A., Silva, W. F., Rodenas, A., Jacinto, C., Vazquez de Aldana, J., Chen, F., Tan, Y., Thomson, R., Psaila, N. D., Reid, D. T., Torchia, G. A., Kar, A. K. & Jaque, D., Jul 2011, In : Applied Physics A: Materials Science and Processing. 104, 1, p. 301-309 9 p.

Research output: Contribution to journalArticle

2010

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

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

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

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

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

Laser action from an ultrafast laser inscribed Nd-doped silicate glass waveguide

Ramsay, E., Thomson, R. R., Psaila, N. D., Kar, A. K. & Reid, D. T., 1 Jun 2010, In : IEEE Photonics Technology Letters. 22, 11, p. 742-744 3 p.

Research output: Contribution to journalArticle

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

Microstructuring of Nd: YAG crystals by proton-beam writing

Benayas, A., Jaque, D., Yao, Y., Chen, F., Bettiol, A. A., Rodenas, A. & Kar, A. K., 1 Dec 2010, In : Optics Letters. 35, 23, p. 3898-3900 3 p.

Research output: Contribution to journalArticle

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

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

Strain field manipulation in ultrafast laser inscribed nonlinear BiB 3o6 optical waveguides

Beecher, S. J., Thomson, R. R., Psaila, N. D., Reid, D. T., Kar, A. K. & Ebrahim-Zadeh, M., 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

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

Buczynski, R., Bookey, H. T., Pysz, D., Stepien, R., Kujawa, I., Mccarthy, J. E., Waddie, A. J., Kar, A. K. & Taghizadeh, M. R., 2010, In : Laser Physics Letters. 7, 9, p. 666-672 7 p.

Research output: Contribution to journalArticle

Ultrafast laser inscribed Nd-doped silicate glass waveguide laser

Ramsay, E., Thomson, R. R., Psaila, N. D., Kar, A. K. & Reid, D. T., 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

Ultrafast laser inscribed Tm3+: Germanate glass waveguide laser at 1.9 μm

Fusari, F., Thomson, R. R., Jose, G., Bain, F. M., Lagatsky, A. A., Psaila, N. D., Kar, A. K., Jha, A., 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

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

Thomson, R. R., Psaila, N. D., Beecher, S. J. & Kar, A. K., 7 Jun 2010, In : Optics Express. 18, 12, p. 13212-13219 8 p.

Research output: Contribution to journalArticle

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

Jaque, D., Psaila, N. D., Thomson, R. R., Chen, F., Maestro, L. M., Rodenas, A., Reid, D. T. & Kar, A. K., 10 May 2010, In : Applied Physics Letters. 96, 19, 3 p., 191104.

Research output: Contribution to journalArticle

Ultrafast laser inscription of low loss waveguides in polycrystalline ZnSe

MacDonald, J. R., Thomson, R. R., Psaila, N. D., Beecher, S. J., Bookey, H. T. & Kar, A. K., 2010, 2010 23rd Annual Meeting of the IEEE Photonics Society, PHOTINICS 2010. p. 56-57 2 p.

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

Ultrafast laser inscription of near-infrared waveguides in polycrystalline ZnSe

MacDonald, J. R., Thomson, R. R., Beecher, S. J., Psaila, N. D., Bookey, H. T. & Kar, A. K., 1 Dec 2010, In : Optics Letters. 35, 23, p. 4036-4038 3 p.

Research output: Contribution to journalArticle

2009

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

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

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

Serafetinides, A. A., Drakaki, E., Fabrikesi, E., Kandyla, M., Zergioti, I., Vlachou-Mogire, C., Thomson, R. R., Kar, A. K., Boukos, N. & Karydas, A. G., 2009, O3A: Optics for Arts, Architecture, and Archaeology II. Vol. 7391.

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

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

Bookey, H. T., Dasgupta, S., Bezawada, N., Pal, B. P., Sysoliatin, A., McCarthy, J. E., Salganskii, M., Khopin, V. & Ajoy K Kar, A. K., 14 Sep 2009, In : Optics Express. 17, 19, p. 17130-17135 6 p.

Research output: Contribution to journalArticle

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

Suo, R., Lousteau, J., Li, H., Jiang, X., Zhou, K., Zhang, L., MacPherson, W. N., Bookey, H. T., Barton, J. S., Kar, A. K., Jha, A. & Bennion, I., 27 Apr 2009, In : Optics Express. 17, 9, p. 7540-7548

Research output: Contribution to journalArticle

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

Ghosh, D., Roy, S., Pal, M., Pal, A., Bhadra, S. K., McCarthy, J. E., Bookey, H. & Kar, A., 1 Nov 2009, In : Applied Optics. 48, 31, p. G12-G20

Research output: Contribution to journalArticle

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

Jha, A., Jiang, X., Lousteau, J., Richards, B., Li, H., Macpherson, W. N., Bookey, H. T., Barton, J. S., Kar, A., Tsang, Y. H. & Binks, D. J., 2009, Photonics North 2009. Vol. 7386.

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

Sensing properties of germanate and tellurite glass optical fibres

Li, H., Lousteau, J., Suo, R., Jiang, X., MacPherson, W. N., Bookey, H. T., Barton, J. S., Kar, A. K., Zhang, L., Jha, A. & Bennion, I., 2009, 20th International Conference on Optical Fibre Sensors. Vol. 7503.

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

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

Bain, F. M., Lagatsky, A. A., Thomson, R. R., Psaila, N. D., Kuleshov, N. V., Kar, A. K., Sibbett, W. & Brown, C. T. A., 7 Dec 2009, In : Optics Express. 17, 25, p. 22417-22422 6 p.

Research output: Contribution to journalArticle

Ultrafast laser inscription: An enabling technology for astrophotonics

Thomson, R. R., Kar, A. K. & Allington-Smith, J., 2 Feb 2009, In : Optics Express. 17, 3, p. 1963-1969 7 p.

Research output: Contribution to journalArticle

Yb: KGd(WO4)2 channel waveguide laser fabricated by ultrafast laser writing

Bain, F. M., Lagatsky, A. A., Sibbett, W., Brown, C. T. A., Thomson, R. R., Psaila, N. D., Kar, A. K. & Kuleshov, N. V., 2009, CLEO/Europe - EQEC 2009 - European Conference on Lasers and Electro-Optics and the European Quantum Electronics Conference.

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

2008

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

Osellame, R., Chiodo, N., Lobino, M., Marangoni, M., Cerullo, G., Ramponi, R., Bookey, H. T., Thomson, R. R., Psaila, N. & Kar, A. K., 2008, Commercial and Biomedical Applications of Ultrafast Lasers VIII. Vol. 6881.

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

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

Psaila, N. D., Thomson, R. R., Bookey, H. T., Chiodo, N., Shen, S., Osellame, R., Cerullo, G., Jha, A. & Kar, A. K., 2008, In : IEEE Photonics Technology Letters. 20, 2, p. 126-128 3 p.

Research output: Contribution to journalArticle

Probing the4i13/2 level lifetime of Er-ions embedded in ultrafast laser inscribed waveguides

Thomson, R. R., Psaila, N. D., Bookey, H. T., Kar, A. K., Chiodo, N., Osellame, R., Cerullo, G., Shen, S. & Jha, A., 2008, 2008 Conference on Quantum Electronics and Laser Science Conference on Lasers and Electro-Optics, CLEO/QELS.

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

Shaping ultrafast laser inscribed optical waveguides using a deformable mirror

Thomson, R. R., Bockelt, A. S., Ramsay, E., Beecher, S., Greenaway, A. H., Kar, A. K. & Reid, D. T., 18 Aug 2008, In : Optics Express. 16, 17, p. 12786-12793 8 p.

Research output: Contribution to journalArticle

Three-core tellurite fiber with multiple rare earth emission

Bookey, H. T., Thomson, R. R., Psaila, N. D., Kar, A. K., Lousteau, J., Jha, A., Gayraud, N., Li, H., MacPherson, W. N. & Barton, J. S., 2008, 2008 Conference on Quantum Electronics and Laser Science Conference on Lasers and Electro-Optics, CLEO/QELS.

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

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

Psaila, N., Thomson, R. R., Bookey, H. T., Kar, A. K., Fujimoto, Y., Nakatsuka, M., Chiodo, N., Osellame, R. & Cerullo, G., 2008, 2008 Conference on Quantum Electronics and Laser Science Conference on Lasers and Electro-Optics, CLEO/QELS.

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

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

Psaila, N., Thomson, R. R., Bookey, H. T., Kar, A. K., Fujimoto, Y., Nakatsuka, M., Chiodo, N., Osellame, R. & Cerullo, G., 2008, 2008 Conference on and Quantum Electronics and Laser Science Conference Lasers and Electro-Optics, QELS.

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