Dr. Yannick Ledemi Profile

Dr. Yannick Ledemi

Senior Research Scientist at Ctr d'Optique Photonique et Laser

SPIE Involvement:

Author

Publications (18)

Proceedings Article | 5 March 2021 Presentation + Paper

Enhanced anti-Stokes emission in oxyfluoride glass ceramics for optical refrigeration

Jyothis Thomas, Thomas Meyneng, Yannick Ledemi, Anthony Roberge, Jean-Sebastien Biosvert, Antsar Hlil, Denis Seletskiy, Lauro J. Q. Maia, Younes Messaddeq, Raman Kashyap

Proceedings Volume 11702, 117020M (2021) https://doi.org/10.1117/12.2582809

Read Abstract +

Proceedings Article | 1 April 2020 Presentation + Paper

Elaboration of multimaterials optical fibers combining tellurite glass and metal for electro-optical applications

A. Maldonado, A. Lemière, F. Désévédavy, J. Jules, W. Correr, Y. Ledemi, Y. Messaddeq, C. Strutynski, S. Danto, T. Cardinal, F. Smektala

Proceedings Volume 11357, 113570U (2020) https://doi.org/10.1117/12.2555433

KEYWORDS: Optical fibers, Glasses, Electrodes, Metals, Interfaces, Electro optics, Optical properties, Manufacturing

Read Abstract +

Proceedings Article | 24 February 2020 Presentation + Paper

Oxyfluoride glass-ceramics: a bright future for laser cooling

Jyothis Thomas, Thomas Meyneng, Yannick Ledemi, Ando Rakotonandrasana, Denis Seletskiy, Lauro J. Q. Maia, Younès Messaddeq, Raman Kashyap

Proceedings Volume 11298, 112980E (2020) https://doi.org/10.1117/12.2546969

KEYWORDS: Glasses, Ytterbium, Crystals, Absorption, Refractive index, Quantum efficiency, Luminescence, Oxides

Read Abstract +

Proceedings Article | 22 February 2018 Presentation + Paper

Structural and optical characterizations of Yb3+ doped GeO2-PbF2-PbO glass-ceramics for optical refrigeration

Lauro J. Maia, Jyothis Thomas, Kummara Krishnaiah, Yannick Ledemi, Denis Seletskiy, Younès Messaddeq, Raman Kashyap

Proceedings Volume 10550, 105500O (2018) https://doi.org/10.1117/12.2314234

KEYWORDS: Ytterbium, Glasses, Crystals, Absorption, Phonons, Ions, Luminescence, Quantum efficiency, Refractive index, Laser applications

Read Abstract +

Proceedings Article | 14 February 2018 Paper

Development of electro-conductive silver phosphate-based glass optrodes for in vivo optogenetics

Mathieu Desjardins, Mourad Roudjane, Yannick Ledemi, Gabriel Gagnon-Turcotte, Esmaeel Maghsoudloo, Guillaume Filion, Benoit Gosselin, Younès Messaddeq

Proceedings Volume 10482, 104820W (2018) https://doi.org/10.1117/12.2290730

KEYWORDS: Optical fibers, Glasses, Silver, Polymers, Optogenetics, Gas lasers, Vitreous, Coating, In vivo imaging, Temperature metrology

Read Abstract +

Proceedings Article | 16 February 2017 Paper

Rare-earth-doped chalcogenide glasses for mid-IR gas sensor applications

J. Ari, F. Starecki, C. Boussard-Plédel, J.-L. Doualan, L. Quétel, K. Michel, A. Braud, P. Camy, R. Chahal, B. Bureau, Y. Ledemi, Y. Messaddeq, V. Nazabal

Proceedings Volume 10100, 101000Q (2017) https://doi.org/10.1117/12.2251529

KEYWORDS: Glasses, Luminescence, Mid-IR, Sensors, Carbon dioxide, Ions, Absorption, Chalcogenide glass, Gas sensors, Environmental monitoring, Rare earth doped glasses, Praseodymium, Dysprosium, Optical fibers, Carbon monoxide, Sulfur

Read Abstract +

SPIE Journal Paper | 31 August 2016

Development of Yb³⁺-doped oxyfluoride glass-ceramics with low OH⁻ content containing CaF₂ nanocrystals for optical refrigeration

Venkata Krishnaiah Kummara, Yannick Ledemi, Elton Soares de Lima Filho, Galina Nemova, Younès Messaddeq, Raman Kashyap

OE, Vol. 56, Issue 01, 011103, (August 2016) https://doi.org/10.1117/12.10.1117/1.OE.56.1.011103

KEYWORDS: Glasses, Ytterbium, Nanocrystals, Crystals, Ions, Luminescence, Laser crystals, Laser applications, Ultraviolet radiation, Aluminum

Read Abstract +

Proceedings Article | 23 March 2016 Paper

Progress in rare-earth-doped nanocrystalline glass-ceramics for laser cooling

Kummara Venkata Krishnaiah, Yannick Ledemi, Elton Soares de Lima Filho, Sebastien Loranger, Galina Nemova, Younes Messaddeq, Raman Kashyap

Proceedings Volume 9765, 97650L (2016) https://doi.org/10.1117/12.2213133

KEYWORDS: Glasses, Crystals, Ceramics, Luminescence, Solids, Spectroscopy, Laser crystals, Vitreous, Heat treatments, Ytterbium, Ions, Nanocrystals, Absorption, Quantum efficiency, Refractive index, Laser applications, Phonons

Read Abstract +

Proceedings Article | 16 March 2015 Paper

Upconversion against direct emission in Er3+-Tm3+-codoped tellurite-glass containing gold nanoparticles

V. G. Rivera, O. Silva, M. El-Amraoui, Y. Ledemi, Y. Messaddeq, E. Marega

Proceedings Volume 9359, 935913 (2015) https://doi.org/10.1117/12.2079344

KEYWORDS: Glasses, Ions, Nanoparticles, Gold, Luminescence, Upconversion, Visible radiation, Energy transfer, Semiconductor lasers, Infrared radiation

Read Abstract +

Proceedings Article | 13 March 2015 Paper

Prospects of optical refrigeration in oxyfluoride glasses and glass-ceramics: experiments

Elton Soares de Lima Filho, Kummara Venkata Krishnaiah, Ye-Jin Yu, Yannick Ledemi, Younes Messaddeq, Raman Kashyap

Proceedings Volume 9380, 93800R (2015) https://doi.org/10.1117/12.2079912

KEYWORDS: Glasses, Quantum efficiency, Absorption, Luminescence, Integrating spheres, Phonons, Ytterbium, Fiber Bragg gratings, Crystals, Temperature metrology

Read Abstract +

Proceedings Article | 10 March 2015 Paper

Nanocrystallization in Yb3+-doped oxyfluoride glasses for laser cooling

Venkata Krishaniah Kummara, Yannick Ledemi, Elton Soares de Lima Filho, Younes Messaddeq, Raman Kashyap

Proceedings Volume 9380, 93800P (2015) https://doi.org/10.1117/12.2079459

KEYWORDS: Glasses, Ions, Luminescence, Crystals, Nanocrystals, Phonons, Transparency, Quantum efficiency, Laser applications, Refractive index

Read Abstract +

Proceedings Article | 7 March 2014 Paper

Up-conversion emission tuning in triply-doped Yb3+/Tm3+/Er3+ novel fluoro-phosphate glass and glass-ceramics

Yannick Ledemi, Andrée-Anne Trudel, Victor A. Rivera, Younes Messaddeq

Proceedings Volume 8982, 89820V (2014) https://doi.org/10.1117/12.2040704

KEYWORDS: Glasses, Crystals, Ions, Semiconductor lasers, Luminescence, X-ray diffraction, Spectroscopy, Emission spectroscopy, X-rays, Temperature metrology

Read Abstract +

Proceedings Article | 19 February 2014 Paper

Plasmonic emission enhancement from Er3+-doped tellurite glass via negative-nanobowtie

V. A. G. Rivera, Y. Ledemi, Y. Messaddeq, E. Marega Jr.

Proceedings Volume 8994, 899421 (2014) https://doi.org/10.1117/12.2040215

KEYWORDS: Glasses, Ions, Plasmonics, Nanostructures, Gold, Argon ion lasers, Image transmission, Surface plasmon polaritons, Erbium, Extraordinary optical transmission

Read Abstract +

Proceedings Article | 25 September 2013 Paper

Colorless chalco-halide Ga2S3-GeS2-CsCl glasses as new optical material

Yannick Ledemi, Mohammed El-Amraoui, Laurent Calvez, Xiang-Hua Zhang, Bruno Bureau, Younès Messaddeq

Proceedings Volume 8847, 884704 (2013) https://doi.org/10.1117/12.2024461

KEYWORDS: Glasses, Infrared radiation, Crystals, Absorption, Transparency, Water, Refractive index, Silica, Photography, Ions

Read Abstract +

Proceedings Article | 11 September 2013 Paper

Quantum-plasmonic interaction: emission enhancement of Er 3+ - Tm 3+ co-doped tellurite glass via tuning nanobowtie

O. Silva, V. A. G. Rivera, F. Ferri, Y. Ledemi, A. Zanatta, Y. Messaddeq, E. Marega

Proceedings Volume 8809, 88092X (2013) https://doi.org/10.1117/12.2024561

KEYWORDS: Ions, Glasses, Erbium, Gold, Antennas, Plasmonics, Thulium, Finite element methods, Argon ion lasers, Energy transfer

Read Abstract +

Proceedings Article | 11 March 2013 Paper

Optical gain medium for plasmonic devices

V. A. Rivera, Y. Ledemi, S. P. Osorio, F. Ferri, Y. Messaddeq, L. A. Nunes, E. Marega

Proceedings Volume 8621, 86211J (2013) https://doi.org/10.1117/12.2004596

KEYWORDS: Glasses, Ions, Refractive index, Silver, Luminescence, Dielectrics, Annealing, Birefringence, Plasmonics, Nanoparticles

Read Abstract +

Proceedings Article | 21 February 2013 Paper

Resonant near-infrared emission of Er>3+ ions in plasmonic arrays of subwavelength square holes

V. Rivera, Y. Ledemi, M. El-Amraoui, Y. Messaddeq, E. Marega

Proceedings Volume 8632, 863225 (2013) https://doi.org/10.1117/12.2004823

KEYWORDS: Nanostructures, Glasses, Ions, Plasmonics, Gold, Luminescence, Interfaces, Erbium, Metals, Surface plasmons

Read Abstract +

Proceedings Article | 26 February 2010 Paper

Laurent Calvez, Changgui Lin, Mathieu Rozé, Yannick Ledemi, Erwan Guillevic, Bruno Bureau, Mathieu Allix, Xianghua Zhang

Proceedings Volume 7598, 759802 (2010) https://doi.org/10.1117/12.840968

KEYWORDS: Glasses, Crystals, Heat treatments, Chalcogenide glass, Gallium, Thermography, Luminescence, Infrared radiation, Scanning electron microscopy, Visible radiation

Read Abstract +

Showing 5 of 18 publications

View contact details

UPDATE YOUR PROFILE

Is this your profile? Update it now.

Sign into your SPIE.org account

Don’t have a profile and want one?

Create an account on SPIE.org

Keywords/Phrases

Search In:

Publication Years