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Optics Express

Optics Express

  • Editor: Michael Duncan
  • Vol. 12, Iss. 22 — Nov. 1, 2004
  • pp: 5502–5509

InAs quantum-dot laser utilizing GaAs photonic-crystal line-defect waveguide

Kuon Inoue, Hidekazu Sasaki, Koji Ishida, Yoshimasa Sugimoto, Naoki Ikeda, Yu Tanaka, Shunsuke Ohkouchi, Yusui Nakamura, and Kiyoshi Asakawa  »View Author Affiliations

Optics Express, Vol. 12, Issue 22, pp. 5502-5509 (2004)

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We have observed laser action from optically-pumped InAs-quantum-dots embedded in a line-defect waveguide in an air-bridge type GaAs-photonic-crystal slab (an array of air-holes). The lasing is found to occur without any optical cavity such as a set of Fabry-Perot mirrors. Comparison of the observed transmittance spectrum with the calculated band dispersion of the W3 defect-mode enables us to specify the lasing wavelength as that at the band edge. From this fact it follows that distributed feedback mechanism at the band edge with a vanishingly small group-velocity should be responsible for the present lasing. Usefulness of this kind of compact laser in a future ultrafast planar photonic integrated circuit is discussed.

© 2004 Optical Society of America

OCIS Codes
(230.3990) Optical devices : Micro-optical devices
(230.7400) Optical devices : Waveguides, slab
(250.5300) Optoelectronics : Photonic integrated circuits

ToC Category:
Research Papers

Original Manuscript: August 18, 2004
Revised Manuscript: October 3, 2004
Published: November 1, 2004

Kuon Inoue, Hidekazu Sasaki, Koji Ishida, Yoshimasa Sugimoto, Naoki Ikeda, Yu Tanaka, Shunsuke Ohkouchi, Yusui Nakamura, and Kiyoshi Asakawa, "InAs quantum-dot laser utilizing GaAs photonic-crystal line-defect waveguide," Opt. Express 12, 5502-5509 (2004)

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