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Research Output 1980 2019

2019

Cooperative up-converted luminescence in Yb,Na:CaF2 cladding waveguides by femtosecond laser inscription

Zhang, L., Guo, T., Ren, Y., Cai, Y., Mackenzie, M. D., Kar, A. K. & Yao, Y., 15 Jun 2019, In : Optics Communications. 441, p. 8-13 6 p.

Research output: Contribution to journalArticle

luminescence
waveguides
lasers
ions
impurities

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

Mackenzie, M. D., Chi, H., Varma, M., Pal, P., Kar, A. K. & Paterson, L., 25 Oct 2019, (Accepted/In press) In : Scientific Reports.

Research output: Contribution to journalArticle

Raman spectroscopy
silver
fabrication
glass
nanoparticles

GLS and GLSSe ultrafast laser inscribed waveguides for mid-IR supercontinuum generation

Mackenzie, M. D., Morris, J. M., Petersen, C. R., Ravagli, A., Craig, C., Hewak, D. W., Bookey, H. T., Bang, O. & Kar, A. K., 1 Feb 2019, In : Optical Materials Express. 9, 2, p. 643-651 9 p.

Research output: Contribution to journalArticle

Open Access
File
Supercontinuum generation
Ultrafast lasers
Lanthanum
Gallium
Waveguides

Microfluidic devices and biological lasers for biophotonic applications

MacKenzie, M. D. & Kar, A. K., 18 Mar 2019, In : Journal of Physics: Conference Series. 1151, conference 1, 012001.

Research output: Contribution to journalConference article

Open Access
File
microfluidic devices
cells
lasers
counting
manufacturing

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

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

Morris, J. M., Mackenzie, M. D., Petersen, C. R., Demetriou, G., Kar, A. K., Bang, O. & Bookey, H. T., 1 Apr 2018, In : Optical Materials Express. 8, 4, p. 1001-1011 11 p.

Research output: Contribution to journalArticle

Open Access
File
Glass lasers
Ultrafast lasers
Integrated optics
Waveguides
Supercontinuum generation

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

Switchable single-dual-wavelength Yb,Na:CaF2 waveguide lasers operating in continuous-wave and pulsed regimes

Ren, Y., Cheng, C., Jia, Y., Jiao, Y., Li, D., Mackenzie, M. D., Kar, A. K. & Chen, F., 1 Jun 2018, In : Optical Materials Express. 8, 6, p. 1633-1641 9 p.

Research output: Contribution to journalArticle

Open Access
File
Pumping (laser)
Waveguides
Wavelength
Lasers
Q switched lasers

Three-dimensional femtosecond laser nanolithography of crystals

Rodenas, A., Gu, M., Corrielli, G., Paiè, P., John, S., Kar, A. K. & Osellame, R., 31 Dec 2018, In : Nature Photonics.

Research output: Contribution to journalArticle

Open Access
File
Nanolithography
Ultrashort pulses
yttrium-aluminum garnet
Crystals
Nanopores
2017

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

Open Access
File
Ceramics
Lasers
Aluminum Oxide

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

Open Access
File
waveguide lasers
repetition
graphene
holmium
output

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

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

Kotsifaki, D. G., Mackenzie, M. D., Polydefki, G., Kar, A. K., Makropoulou, M. & Serafetinides, A. A., Dec 2017, In : Optical Engineering. 56, 12, 124111.

Research output: Contribution to journalArticle

Open Access
File
glass lasers
Microchannels
Ultrashort pulses
Microfluidics
manipulators

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

Demetriou, G., Hewak, D. W., Ravagli, A., Craig, C. & Kar, A. K., 23 Jun 2017, In : Applied Optics. 56, 19, p. 5407-5411 5 p.

Research output: Contribution to journalArticle

Open Access
File
Lanthanum
Refractometry
Gallium
Sulfides
Lasers

Operation of Ho: YAG ultrafast laser inscribed waveguide lasers

McDaniel, S., Thorburn, F., Lancaster, A., Stites, R., Cook, G. & Kar, A., 20 Apr 2017, In : Applied Optics. 56, 12, p. 3251-3256 6 p.

Research output: Contribution to journalArticle

holmium
waveguide lasers
yttrium-aluminum garnet
YAG lasers
waveguides

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

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

Rodríguez-Sevilla, P., Labrador-Páez, L., Wawrzyńczyk, D., Nyk, M., Samoć, M., Kar, A. K., Mackenzie, M. D., Paterson, L., Jaque, D. & Haro-González, P., 7 Jan 2016, In : Nanoscale. 8, 1, p. 300-308 9 p.

Research output: Contribution to journalArticle

Open Access
File
Nanorods
Spectroscopy
Polarization
Optical tweezers
Luminescence

Nonlinear optical properties of multilayer graphene in the infrared

Demetriou, G., Bookey, H., Biancalana, F., Abraham, E., Wang, Y., Ji, W. & Kar, A. K., 13 Jun 2016, In : Optics Express. 24, 12, p. 13033-13043 11 p.

Research output: Contribution to journalArticle

Open Access
File
irradiance
refraction
graphene
optical properties
photons

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

McDaniel, S. A., Lancaster, A., Evans, J. W., Kar, A. K. & Cook, G., 22 Feb 2016, In : Optics Express. 24, 4, p. 3502-3512 11 p.

Research output: Contribution to journalArticle

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

Demetriou, G., Berube, J-P., Vallee, R., Messaddeq, Y., Petersen, C. R., Jain, D., Bang, O., Craig, C., Hewak, D. W. & Kar, A. K., 21 Mar 2016, In : Optics Express. 24, 6, p. 6350-6358 9 p.

Research output: Contribution to journalArticle

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

Jagannadh, V. K., Mackenzie, M. D., Pal, P., Kar, A. K. & Gorthi, S. S., 15 Sep 2016, In : Optics Express. 24, 19, p. 22144-22158 15 p.

Research output: Contribution to journalArticle

Open Access
File
chips
microscopes
fluorescence
cells
shelves
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

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

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
File
waveguide lasers
graphene
pulse rate
thulium
output

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

Barney, E. R., Abdel-Moneim, N. S., Towey, J. J., Titman, J., McCarthy, J. E., Bookey, H. T., Kar, A., Furniss, D. & Seddon, A. B., 7 Mar 2015, In : Physical Chemistry Chemical Physics. 17, 9, p. 6314-6327 14 p.

Research output: Contribution to journalArticle

Glass
Sulfur
Neutrons
Selenium
Chalcogens

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

Martinez de Mendivil, J., Rodenas, A., Benayas, A., Aguilo, M., Diaz, F., Perez Delgado, A., Lifante, G., Jaque, D. & Kar, A. K., 14 Jan 2015, In : Journal of Applied Physics. 117, 2, 5 p., 023112.

Research output: Contribution to journalArticle

Open Access
File

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

Imaging flow cytometry with femtosecond laser-micromachined glass microfluidic channels

Jagannadh, V. K., Mackenzie, M. D., Pal, P., Kar, A. K. & Gorthi, S. S., Jul 2015, In : IEEE Journal of Selected Topics in Quantum Electronics. 21, 4, 6990492.

Research output: Contribution to journalArticle

Open Access
File
cytometry
Flow cytometry
microfluidic devices
glass lasers
Ultrashort pulses

Mid-infrared laser emission from Fe: ZnSe cladding waveguides

Lancaster, A., Cook, G., McDaniel, S. A., Evans, J., Berry, P. A., Shephard, J. D. & Kar, A. K., 20 Jul 2015, In : Applied Physics Letters. 107, 3, 031108.

Research output: Contribution to journalArticle

Open Access
File
infrared lasers
waveguides
waveguide lasers
lasers
thresholds

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

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

Open Access
File

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

pumping
attenuation
photonics
broadband
fibers

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

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

Supercontinuum generation
Photonic crystal fibers
octaves
photonics
broadband

Compact Cr:ZnS channel waveguide laser operating at 2333 nm

Macdonald, J. R., Beecher, S. J., Lancaster, A., Berry, P. A., Schepler, K. L., Mirov, S. B. & Kar, A. K., 24 Mar 2014, In : Optics Express. 22, 6, p. 7052-7057

Research output: Contribution to journalArticle

Open Access
File

Controlling the cross-section of waveguides inscribed on bulk chalcogenide glasses using fast laser

Sabapathy, T., Sivakumar, G., Ayiriveetil, A., Kar, A. K. & Asokan, S., 2014, In : Optoelectronics and Advanced Materials - Rapid Communications. 8, 11-12, p. 1001-1004 4 p.

Research output: Contribution to journalArticle

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

del Rosal, B., Sun, C., Yan, Y., Mackenzie, M. D., Lu, C., Bettiol, A. A., Kar, A. K. & Jaque, D., 6 Oct 2014, In : Optics Express. 22, 20, p. 23938-23954 17 p.

Research output: Contribution to journalArticle