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Optics & Photonics

Optics & Photonics

Photonics has evolved from a niche activity into a Key Enabling Technology and is now heralded as one of the most important industries of the future..


Published on 9 March 2017

Miniaturization, integration and energy efficiency are key drivers of modern photonics

Photonics has evolved from a niche activity into a Key Enabling Technology and is now heralded as one of the most important industries of the future.

Optics and Photonics activities at Leti focus mainly on major industrial markets for these technologies including:

  • All-wavelength imaging (visible, infrared, THz)
  • Information displays
  • Solid-state lighting
  • Optical data communications
  • Optical environmental sensors


Similarly to microelectronics, the principal criteria driving Leti's photonic developments are miniaturization, integration and energy efficiency.

Following its internal roadmaps, Leti develops photonic technologies, devices and systems addressing society's major challenges, more specifically innovative and secure society, resource efficiency and well-being. Our R&D projects merge fundamental research with advanced technological and industrial developments. We interrelate nanosciences with material sciences, optics, electronics and micro- & nano-fabrication.

 
Highly sensitive thermal IR imaging

​Silicon photonics 4x25 Gbp/s photoreceiver for data centers

Wafer level vacuum packaged micro- hot plates (1x1 mm²), used as thermal IR sources, in optical gaz sensors




Referenced publications in annual research report:

Cervera, C., Baier, N., Gravrand, O., Mollard, L., Lobre, C., Destefanis, G., Moreau, V. Low-dark current p-on-n MCT detector in long and very long-wavelength infrared. Proc. SPIE, 9451, 945129. doi:10.1117/12.2179216 (2015)

Simoens F., Meilhan J., Terahertz real-time imaging based on uncooled antenna-coupled bolometer s developed at CEA-LETI: review and perspectives’, International Symposium on Frontiers in THz Technology (FTT) 2015 at Hamamatsu, Sept (2015)

P Barritault, M Brun, P Labeye, J-Ml Hartmann, F Boulila, M Carras and S Nicoletti, " Design, fabrication and characterization of an AWG at 4.5 µm," Opt. Express 23, 26168–26181 (2015)

Rouxel, J., Coutard, J.-G., Gidon, S., Lartigue, O., Nicoletti, S., Parvitte, B., Vallon, R., Zéninarni, V. Glière, A., Development of a miniaturized differential photoacoustic gas sensor, Procedia Engineering, 120, 2015,

Baudot, C., Szelag, B., Allouti, N., Comboroure, C., Bérard-Bergery, S., Vizioz, C., Barnola, S., Gays, F., Mariolle, D., Ferrotti, T., Souhaité, A., Brision, S., Kopp, C., Menezo, S., Progresses in 300mm DUV Photolithography for the Development of Advanced Silicon Photonic Devices, Proceeding SPIE, 94260D, 2015

New advances on heterogeneous integration of III-V on Silicon“, G.-H. Duan, S. Olivier, S. Malhouitre, A. Accard, P. Kaspar, G. de Valicourt, G. Levaufre, N. Girard, A. Leliepvre, A. Shen, D. Make, F. Lelarge, C. Jany, K. Ribaud, F. Mallecot, P. Charbonnier, H. Garriah, C. Kopp and J.-L. Gentner, J. of Lightwave Technol., 33, 976 (2015)

A. Dussaigne, P. Ferret, R. Obrecht, M. Lafossas, A. Coquiard, A. Fargeix, R. Caulmiloné, P. Guénard and F. Lévy, III-N MOVPE overgrowth, material quality and LED structures on GaNoS and GaNoMo advanced substrates, Proceeding Inter. Conference on Nitride Semiconductors (ICNS 2015)

Volpert, M., Soulier, B., Borel, S., Ait-Mani, N., Gaugiran, S., Gasse, A., Henry, D., A Wafer Level approach for led packaging using TSV last technology, Proceedings - Electronic Components and Technology Conference (Art. N° 7159732, 2015)

K. Bouzid, H. Kanaan, T. Maindron, E. Viasnoff, Building Up Electrical Modeling of a White Fluorescent Top-Emitting Organic Light Emitting Device: Material Parameter Extraction and Impact of Poole Frenkel and ECDM Mobility Models, SID symposium digest, 2014, DOI: 10.1002/j.2168-0159.2014.tb00149.x

F. Templier, J-M. Bethoux, B. Aventurier, F. Marion, S. Tirano, M. Lacroix, M. Marra, V. Verney, L. Dupré, F. Olivier, F. Berger, W. Ben Naceur, A. Sanchot, IC Robin, M-A di Forte-Poisson, P. Gamarra, C. Lacam, M. Tordjman, “Blue and Green 10-µm pixel pitch GaN LED Arrays with verry high brightness”, Invited Talk, The 22nd International Display Workshops 2015 (IDW’15),December 8-11 2015, Otsu, Japan (2015).,