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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 18, Iss. 19 — Sep. 13, 2010
  • pp: 19612–19625

Compact modulated and tunable microdisk laser using vertical coupling and a feedback loop

F. Mandorlo, P. Rojo-Romeo, X. Letartre, R. Orobtchouk, and P. Viktorovitch  »View Author Affiliations

Optics Express, Vol. 18, Issue 19, pp. 19612-19625 (2010)

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A study of vertical coupling conditions between microdisk based resonators and waveguides is presented using an analytical model. The coupling efficiency optimization is investigated and compared to 3D FDTD computations. We also demonstrate that coupling losses can be exploited to favor high quality factor modes in circular resonators. In addition, we propose to modify the shape of the coupled waveguide to enhance mode selectivity and obtain a very compact structure with mode hoping capacities. Lower thresholds and modulation are also expected.

© 2010 Optical Society of America

OCIS Codes
(130.3120) Integrated optics : Integrated optics devices
(140.5960) Lasers and laser optics : Semiconductor lasers

ToC Category:
Lasers and Laser Optics

Original Manuscript: June 9, 2010
Revised Manuscript: July 26, 2010
Manuscript Accepted: August 13, 2010
Published: August 31, 2010

F. Mandorlo, P. Rojo Romeo, X. Letartre, R. Orobtchouk, and P. Viktorovitch, "Compact modulated and tunable microdisk laser using vertical coupling and a feedback loop," Opt. Express 18, 19612-19625 (2010)

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