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Research Output 1980 2019

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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. & Paterson, L., 19 Nov 2019, In : Scientific Reports. 9, 17058.

Research output: Contribution to journalArticle

Open Access
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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
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Supercontinuum generation
Ultrafast lasers
Lanthanum
Gallium
Waveguides
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
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Glass lasers
Ultrafast lasers
Integrated optics
Waveguides
Supercontinuum generation

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
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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

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
2016

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
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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

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

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
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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
2014

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
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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 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
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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

Q-switched Nd: YAG channel waveguide laser through evanescent field interaction with surface coated graphene

Tan, Y., He, R., Macdonald, J., Kar, A. K. & Chen, F., 8 Sep 2014, In : Applied Physics Letters. 105, 10, 101111.

Research output: Contribution to journalArticle

waveguide lasers
yttrium-aluminum garnet
graphene
waveguides
interactions

Self-Q-switched waveguide laser based on femtosecond laser inscribed Nd: Cr:YVO4 crystal

Tan, Y., Yao, Y., Macdonald, J. R., Kar, A. K., Yu, H., Zhang, H. & Chen, F., 15 Sep 2014, In : Optics Letters. 39, 18, p. 5289-5292 4 p.

Research output: Contribution to journalArticle

Two octaves supercontinuum generation in lead-bismuth glass based photonic crystal fiber

Buczynski, R., Bookey, H., Klimczak, M., Pysz, D., Stepien, R., Martynkien, T., McCarthy, J. E., Waddie, A. J., Kar, A. K. & Taghizadeh, M. R., Jun 2014, In : Materials. 7, 6, p. 4658-4668 11 p.

Research output: Contribution to journalArticle

Ultrabroad mid-infrared tunable Cr:ZnSe channel waveguide laser

MacDonald, J. R., Beecher, S. J., Lancaster, A., Berry, P. A., Schepler, K. L. & Kar, A. K., 2014, In : IEEE Journal of Selected Topics in Quantum Electronics. 99, 1 p.

Research output: Contribution to journalArticle

Open Access
File

Ultrafast laser inscription: perspectives on future integrated applications

Choudhury, D., Macdonald, J. R. & Kar, A. K., Nov 2014, In : Laser and Photonics Reviews. 8, 6, p. 827-846 20 p.

Research output: Contribution to journalArticle

Open Access
File
Ultrafast lasers
Waveguides
waveguides
lasers
Photonic devices
2013

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

Open Access
File

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
File

Compact mid-infrared Cr:ZnSe channel waveguide laser

MacDonald, J. R., Beecher, S. J., Berry, P. A., Schepler, K. L. & Kar, A. K., 22 Apr 2013, In : Applied Physics Letters. 102, 16, 3 p., 161110.

Research output: Contribution to journalArticle

Open Access
File
waveguide lasers
footprints
viability
cavities
output

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

MacDonald, J. R., Beecher, S. J., Berry, P. A., Brown, G., Schepler, K. L. & Kar, A. K., 1 Jul 2013, In : Optics Letters. 38, 13, p. 2194-2196 3 p.

Research output: Contribution to journalArticle

Open Access
File

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

Mary, R., Brown, G., Beecher, S. J., Thomson, R. R., Popa, D., Sun, Z., Torrisi, F., Hasan, T., Milana, S., Bonaccorso, F., Ferrari, A. C. & Kar, A. K., 25 Nov 2013, In : Applied Physics Letters. 103, 22, 221117.

Research output: Contribution to journalArticle

Open Access
File

Fabrication and power scaling of a 1.7 W Cr:ZnSe waveguide laser

Berry, P. A., MacDonald, J. R., Beecher, S. J., McDaniel, S. A., Schepler, K. L. & Kar, A. K., 1 Sep 2013, In : Optical Materials Express. 3, 9, p. 1250-1258 9 p.

Research output: Contribution to journalArticle

Open Access
File

Nanoindentation studies on waveguides inscribed in chalcogenide glasses using ultrafast laser

Sabapathy, T., Kiran, M. S. R. N., Ayiriveetil, A., Kar, A. K., Ramamurty, U. & Asokan, S., 1 Jun 2013, In : Optical Materials Express. 3, 6, p. 684-690 7 p.

Research output: Contribution to journalArticle

Open Access
File

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

Haro-Gonzalez, P., Ramsay, W. T., Martinez Maestro, L., del Rosal, B., Santacruz-Gomez, K., del Carmen Iglesias-de la Cruz, M., Sanz-Rodriguez, F., Chooi, J. Y., Rodriguez Sevilla, P., Bettinelli, M., Choudhury, D., Kar, A. K., Garcia Sole, J., Jaque, D. & Paterson, L., 24 Jun 2013, In : Small. 9, 12, p. 2162-2170 9 p.

Research output: Contribution to journalArticle

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

McCarthy, J. E., Bookey, H., Beecher, S. J., Lamb, R. F., Elder, I. & Kar, A. K., 7 Oct 2013, In : Applied Physics Letters. 103, 15, 151103.

Research output: Contribution to journalArticle

Open Access
File

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

Choudhury, D., Rodenas, A., Paterson, L., Díaz, F., Jaque, D. & Kar, A. K., 22 Jul 2013, In : Applied Physics Letters. 103, 4, 4 p., 041101.

Research output: Contribution to journalArticle

Open Access
File

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

Barron, A. L., Kar, A. K., Aspray, T. J., Waddie, A. J., Taghizadeh, M. R. & Bookey, H., 3 Jun 2013, In : Optics Express. 21, 11, p. 13199-13207 9 p.

Research output: Contribution to journalArticle

2012

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
File

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

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

Ren, Y., Dong, N., Macdonald, J., Chen, F., Zhang, H. & Kar, A. K., 30 Jan 2012, In : Optics Express. 20, 3, p. 1969-1974 6 p.

Research output: Contribution to journalArticle

Open Access
File

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

Sabapathy, T., Ayiriveetil, A., Kar, A. K., Asokan, S. & Beecher, S. J., 1 Nov 2012, In : Optical Materials Express. 2, 11, p. 1556-1561 6 p.

Research output: Contribution to journalArticle

Open Access
File

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

Barron, A. L., Kar, A. K. & Bookey, H. T., 8 Oct 2012, In : Optics Express. 20, 21, p. 23156-23161 6 p.

Research output: Contribution to journalArticle

Open Access
File

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

McCarthy, J. E., Bookey, H. T., Psaila, N. D., Thomson, R. R. & Kar, A. K., 16 Jan 2012, In : Optics Express. 20, 2, p. 1545-1551 7 p.

Research output: Contribution to journalArticle

Open Access
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