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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 20, Iss. 13 — Jun. 18, 2012
  • pp: 14292–14301

Tunable ring laser with internal injection seeding and an optically-driven photonic crystal reflector

Jie Zheng, Chun Ge, Clark J. Wagner, Meng Lu, Brian T. Cunningham, J. Darby Hewitt, and J. Gary Eden  »View Author Affiliations

Optics Express, Vol. 20, Issue 13, pp. 14292-14301 (2012)

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Continuous tuning over a 1.6 THz region in the near-infrared (842.5-848.6 nm) has been achieved with a hybrid ring/external cavity laser having a single, optically-driven grating reflector and gain provided by an injection-seeded semiconductor amplifier. Driven at 532 nm and incorporating a photonic crystal with an azobenzene overlayer, the reflector has a peak reflectivity of ~80% and tunes at the rate of 0.024 nm per mW of incident green power. In a departure from conventional ring or external cavity lasers, the frequency selectivity for this system is provided by the passband of the tunable photonic crystal reflector and line narrowing in a high gain amplifier. Sub - 0.1 nm linewidths and amplifier extraction efficiencies above 97% are observed with the reflector tuned to 842.5 nm.

© 2012 OSA

OCIS Codes
(140.3480) Lasers and laser optics : Lasers, diode-pumped
(140.3520) Lasers and laser optics : Lasers, injection-locked
(140.3560) Lasers and laser optics : Lasers, ring
(050.5298) Diffraction and gratings : Photonic crystals

ToC Category:
Lasers and Laser Optics

Original Manuscript: November 21, 2011
Revised Manuscript: February 1, 2012
Manuscript Accepted: June 5, 2012
Published: June 12, 2012

Jie Zheng, Chun Ge, Clark J. Wagner, Meng Lu, Brian T. Cunningham, J. Darby Hewitt, and J. Gary Eden, "Tunable ring laser with internal injection seeding and an optically-driven photonic crystal reflector," Opt. Express 20, 14292-14301 (2012)

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