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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Alan E. Willner
  • Vol. 38, Iss. 17 — Sep. 1, 2013
  • pp: 3208–3211

Narrow linewidth Brillouin laser based on chalcogenide photonic chip

Irina V. Kabakova, Ravi Pant, Duk-Yong Choi, Sukhanta Debbarma, Barry Luther-Davies, Stephen J. Madden, and Benjamin J. Eggleton  »View Author Affiliations


Optics Letters, Vol. 38, Issue 17, pp. 3208-3211 (2013)
http://dx.doi.org/10.1364/OL.38.003208


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Abstract

We present, to the best of our knowledge, the first demonstration of a narrow linewidth, waveguide-based Brillouin laser that is enabled by large Brillouin gain of a chalcogenide chip. The waveguides are equipped with vertical tapers for low-loss coupling. Due to optical feedback for the Stokes wave, the lasing threshold is reduced to 360 mW, which is five times lower than the calculated single-pass Brillouin threshold for the same waveguide. The slope efficiency of the laser is found to be 30%, and the linewidth of 100 kHz is measured using a self-heterodyne method.

© 2013 Optical Society of America

OCIS Codes
(140.3570) Lasers and laser optics : Lasers, single-mode
(190.5890) Nonlinear optics : Scattering, stimulated

ToC Category:
Lasers and Laser Optics

History
Original Manuscript: May 20, 2013
Revised Manuscript: July 2, 2013
Manuscript Accepted: July 23, 2013
Published: August 19, 2013

Citation
Irina V. Kabakova, Ravi Pant, Duk-Yong Choi, Sukhanta Debbarma, Barry Luther-Davies, Stephen J. Madden, and Benjamin J. Eggleton, "Narrow linewidth Brillouin laser based on chalcogenide photonic chip," Opt. Lett. 38, 3208-3211 (2013)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-38-17-3208

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