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Proceedings Article

Vertical microcavities based on photonic crystal mirrors for III-V/Si integrated microlasers

[+] Author Affiliations
Lydie Ferrier, Salim Boutami, Fabien Mandorlo, Xavier Letartre, Pedro Rojo Romeo, Pierre Viktorovitch

Ecole Centrale de Lyon (France)

Philippe Gilet, Badhise Ben Bakir, Philippe Grosse, Jean-Marc Fedeli, Alexei Chelnokov

CEA-LETI MINATEC (France)

Proc. SPIE 6989, Photonic Crystal Materials and Devices VIII, 69890W (April 21, 2008); doi:10.1117/12.781328
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From Conference Volume 6989

  • Photonic Crystal Materials and Devices VIII
  • Richard M. De La Rue; Ceferino López; Michele Midrio; Pierre Viktorovitch
  • Strasbourg, France | April 07, 2008

abstract

The on-coming photonic layer of CMOS integrated circuits needs efficient light sources to treat and transmit the flow of data. We develop new configurations of III-V/Si vertical cavity lasers coupled to silicon optical waveguides using mirror/coupler based on photonic crystals. These devices can be fabricated using fully CMOS-compatible technological steps. Using this approach, the optical gain is provided by the III-V material, while all the remaining part of the optical cavity is in silicon. The output coupling to the sub-µm waveguides of the CMOS optical layer can then be inherently optimised since the laser mirror/coupler and the Si output waveguides will be realised together during the same fabrication step. It has been demonstrated that photonic crystals membrane can act as very efficient reflectors (PCM-mirrors) for vertical microresonators. In this communication, the design of a vertical cavity microlaser based on these PCM-mirrors will be presented. We will show that high Q-factors (>10000) along with strong vertical and lateral confinements can be achieved. As a first demonstration, experimental results on silicon PhC-mirrors and associated vertical cavities will be discussed, showing Q factors larger than 2000. Finally, theoretical results on the coupling between such cavities and a silicon micro-waveguide will be presented.

© (2008) COPYRIGHT SPIE--The International Society for Optical Engineering. Downloading of the abstract is permitted for personal use only.
Citation

Lydie Ferrier ; Salim Boutami ; Fabien Mandorlo ; Xavier Letartre ; Pedro Rojo Romeo, et al.
"Vertical microcavities based on photonic crystal mirrors for III-V/Si integrated microlasers", Proc. SPIE 6989, Photonic Crystal Materials and Devices VIII, 69890W (April 21, 2008); doi:10.1117/12.781328; http://dx.doi.org/10.1117/12.781328


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