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Optics Letters

Optics Letters


  • Editor: Alan E. Willner
  • Vol. 35, Iss. 16 — Aug. 15, 2010
  • pp: 2822–2824

Whispering-gallery-mode-resonator-based ultranarrow linewidth external-cavity semiconductor laser

W. Liang, V. S. Ilchenko, A. A. Savchenkov, A. B. Matsko, D. Seidel, and L. Maleki  »View Author Affiliations

Optics Letters, Vol. 35, Issue 16, pp. 2822-2824 (2010)

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We demonstrate a miniature self-injection locked distributed-feedback laser using resonant optical feedback from a high-Q crystalline whispering-gallery-mode resonator. The linewidth reduction factor is greater than 10,000, with resultant instantaneous linewidth of less than 200 Hz . The minimal value of the Allan deviation for the laser- frequency stability is 3 × 10 12 at the integration time of 20 μs . The laser possesses excellent spectral purity and good long-term stability.

© 2010 Optical Society of America

OCIS Codes
(140.2020) Lasers and laser optics : Diode lasers
(140.3520) Lasers and laser optics : Lasers, injection-locked
(140.4780) Lasers and laser optics : Optical resonators
(290.5870) Scattering : Scattering, Rayleigh
(140.3425) Lasers and laser optics : Laser stabilization

ToC Category:
Lasers and Laser Optics

Original Manuscript: June 16, 2010
Revised Manuscript: July 14, 2010
Manuscript Accepted: July 18, 2010
Published: August 13, 2010

W. Liang, V. S. Ilchenko, A. A. Savchenkov, A. B. Matsko, D. Seidel, and L. Maleki, "Whispering-gallery-mode-resonator-based ultranarrow linewidth external-cavity semiconductor laser," Opt. Lett. 35, 2822-2824 (2010)

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