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Optics Express

Optics Express

  • Editor: Michael Duncan
  • Vol. 14, Iss. 13 — Jun. 26, 2006
  • pp: 6308–6315

Room temperature continuous-wave lasing in photonic crystal nanocavity

Masahiro Nomura, Satoshi Iwamoto, Katsuyuki Watanabe, Naoto Kumagai, Yoshiaki Nakata, Satomi Ishida, and Yasuhiko Arakawa  »View Author Affiliations

Optics Express, Vol. 14, Issue 13, pp. 6308-6315 (2006)

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We demonstrate room temperature continuous-wave laser operation at 1.3 µm in a photonic crystal nanocavity with InAs/GaAs self-assembled quantum dots by optical pumping. By analyzing a coupled rate equation and the experimental light-light characteristic plot, we evaluate the spontaneous emission coupling factor of the laser to be ~0.22. Three-dimensional carrier confinement and a low transparent carrier density due to volume effect in a quantum dot system play important roles in the cw laser operation at room temperature as well as a high quality factor photonic crystal nanocavity.

© 2006 Optical Society of America

OCIS Codes
(230.3990) Optical devices : Micro-optical devices
(250.5230) Optoelectronics : Photoluminescence

ToC Category:
Photonic Crystals

Original Manuscript: May 2, 2006
Revised Manuscript: June 5, 2006
Manuscript Accepted: June 7, 2006
Published: June 26, 2006

Masahiro Nomura, Satoshi Iwamoto, Katsuyuki Watanabe, Naoto Kumagai, Yoshiaki Nakata, Satomi Ishida, and Yasuhiko Arakawa, "Room temperature continuous-wave lasing in photonic crystal nanocavity," Opt. Express 14, 6308-6315 (2006)

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