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Thomas, J., Meyneng, T., Tehranchi, A., Gregoire, N., Karpov, V., Seletskiy, D., Messaddeq, Y., & Kashyap, R. (2023). Anti-Stokes cooling in highly ytterbium doped phase separated aluminium-yttrium oxide glass by 4 K. Optical Materials, 144, 8 pages. External link
Meyneng, T., Thomas, J., Gregoire, N., Leelapornpisit, W., Valdez, J., Kashyap, R., & Messaddeq, Y. (2023). Controlled phase-separation effect for enhanced optical refrigeration in yttrium-aluminosilicate glasses. Journal of Materials Chemistry C, 11(23), 7619-7628. External link
Thomas, J., Meyneng, T., Gregoroire, N., Monet, F., Tehranchi, A., Seletskiy, D., Messaddeq, Y., & Kashyap, R. (2022, July). Laser cooling of a novel GAYY glass at atmospheric pressure [Paper]. Bragg Gratings, Photosensitivity and Poling in Glass Waveguides and Materials (BP 2022), Maastricht, Netherlands. External link
Boisvert, J.-S., Hlil, A., Loranger, S., Riaz, A., Ledemi, Y., Messaddeq, Y., & Kashyap, R. (2022). Photosensitization agents for fs laser writing in PDMS. Scientific Reports, 12(1), 10 pages. External link
Meyneng, T., Thomas, J., Ledemi, Y., Allix, M., Veron, E., Genevois, C., Kashyap, R., & Messaddeq, Y. (2022). The role of fluorine in high quantum yield oxyfluoride glasses and glass-ceramics. Journal of Alloys and Compounds, 900, 163512 (7 pages). External link
Hlil, A. R., Thomas, J., Garcia-Puente, Y., Boisvert, J.-S., Lima, B. C., Rakotonandrasana, A., Maia, L. J. Q., Tehranchi, A., Loranger, S., Gomes, A. S. L., Messaddeq, Y., & Kashyap, R. (2021). Structural and optical properties of Nd:YAB-nanoparticle-doped PDMS elastomers for random lasers. Scientific Reports, 11(1), 16803 (10 pages). Available
Thomas, J., Meyneng, T., Ledemi, Y., Roberge, A., Biosvert, J.-S., Hlil, A., Seletskiy, D., Maia, L. J. Q., Messaddeq, Y., & Kashyap, R. (2021, March). Enhanced anti-Stokes emission in oxyfluoride glass ceramics for optical refrigeration [Paper]. Photonic Heat Engines: Science and Applications III (7 pages). External link
Thomas, J., Maia, L. J. Q., Kummara, V. K., Ledemi, Y., Boisvert, J.-S., Hlil, A., Seletskiy, D., Messaddeq, Y., & Kashyap, R. (2021). Optical properties of ytterbium doped oxyfluoride glass-ceramics - Concentration and temperature dependence studies for optical refrigeration applications. Journal of Luminescence, 238, 11 pages. External link
Hlil, A. R., Thoma, J., Boisvert, J.-S., Lima, B. C., Garcia-Puente, Y., Maia, L. J. Q., Ledemi, Y., Messaddeq, Y., Gomes, A. S. L., & Kashyap, R. (2020, July). Demonstration of a stable, tunable random laser [Paper]. Novel Optical Materials and Applications (NOMA 2020), Washington, DC, USA. External link
Thomas, J., Meyneng, T., Ledemi, Y., Rakotonandrasana, A., Seletskiy, D., Maia, L. J. Q., Messaddeq, Y., & Kashyap, R. (2020, February). Oxyfluoride glass-ceramics: A bright future for laser cooling [Paper]. Photonic Heat Engines: Science and Applications II, San Francisco, CA, United states (7 pages). External link
Boisvert, J.-S., Hlil, A., Thomas, J., Garcia-Puente, Y., Riaz, A., Ledemi, Y., Messaddeq, Y., & Kashyap, R. (2020, July). Photosensitivity functionalization of PDMS for femtosecond laser writing [Paper]. Novel Optical Materials and Applications (NOMA 2020), Washington, DC, USA. External link
Kummara, V. K., Ledemi, Y., Genevois, C., Veron, E., Sauvage, X., Morency, S., Soares De Lima Filho, E., Nemova, G., Allix, M., Messaddeq, Y., & Kashyap, R. (2017). Ytterbium-doped oxyfluoride nano-glass-ceramic fibers for laser cooling. Optical Materials Express, 7(6), 1980-1994. External link
Kummara, V. K., Soares De Lima Filho, E., Ledemi, Y., Nemova, G., Messaddeq, Y., & Kashyap, R. (2016). Development of ytterbium-doped oxyfluoride glasses for laser cooling applications. Scientific Reports, 6(1), 1-12. Available
Lapointe, J., Ledemi, Y., Loranger, S., Iezzi, V. L., Soares De Lima Filho, E., Parent, F., Morency, S., Messaddeq, Y., & Kashyap, R. (2016). Fabrication of ultrafast laser written low-loss waveguides in flexible As₂S₃ chalcogenide glass tape. Optics Letters, 41(2), 203-206. External link
Kummara, V. K., Ledemi, Y., Soares De Lima Filho, E., Loranger, S., Nemova, G., Messaddeq, Y., & Kashyap, R. (2016, February). Progress in rare-earth-doped nanocrystalline glass-ceramics for laser cooling [Paper]. Optical and Electronic Cooling of Solids, San Francisco, CA, United states. External link
Ledemi, Y., Lapointe, J., Morency, S., Yu, Y.-J., Messaddeq, Y., & Kashyap, R. (2015, November). Chalcogenide glass fiber tape [Paper]. Workshop on Specialty Optical Fibers and their Applications (WSOF 2015), Hong Kong, China. External link
Kummara, V. K., Ledemi, Y., Messaddeq, Y., & Kashyap, R. (2015, November). Fabrication of planar waveguides in oxyfluoride glass-ceramics by simple heat-treatment [Paper]. Workshop on Specialty Optical Fibers and their Applications (WSOF 2015), Hong Kong, China. External link
Vanier, F., Cte, F., Amraoui, M. E., Messaddeq, Y., Peter, Y.-A., & Rochette, M. (2015). Low-threshold lasing at 1975 nm in thulium-doped tellurite glass microspheres. Optics Letters, 40(22), 5227-5230. External link
Kummara, V. K., Ledemi, Y., Soares De Lima Filho, E., Messaddeq, Y., & Kashyap, R. (2015, February). Nanocrystallization in Yb3+-doped oxyfluoride glasses for laser cooling [Paper]. SPIE Conference on Laser Refrigeration of Solids VIII, San Francisco, California (8 pages). External link
Soares De Lima Filho, E., Kummara, V. K., Ye-Jin, Y., Ledemi, Y., Messaddeq, Y., & Kashyap, R. (2015, February). Prospects of optical refrigeration in oxyfluoride glasses and glass-ceramics: experiments [Paper]. SPIE Laser Refrigeration of Solids VIII, USA (9 pages). External link
Soares De Lima Filho, E., Kummara, V. K., Ledemi, Y., Yu, Y.-J., Messaddeq, Y., Nemova, G., & Kashyap, R. (2015). Ytterbium-doped glass-ceramics for optical refrigeration. Optics Express, 23(4), 4630-4640. External link
Kummara, V. K., Ledemi, Y., Soares De Lima Filho, E., Nemova, G., Messaddeq, Y., & Kashyap, R. (2015, November). Ytterbium-doped oxyfluoride nano-glass-ceramic fibers for laser cooling [Paper]. Workshop on Specialty Optical Fibers and their Applications (WSOF 2015), Hong Kong China. External link
Ahlawat, M., Vazquez, G. V., Nalin, M., Messaddeq, Y., Ribeiro, S., & Kashyap, R. (2009, September). Refractive index changes in photochromic SbPO4-WO3 glass by exposure to band-gap radiation [Paper]. 12th International Conference on the Physics of Non-Crystalline Solids (PNCS 2009), Foz do Iguaçu, Brazil. Published in Journal of Non-Crystalline Solids, 356(44-49). External link
