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Optics Letters

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  • Editor: Anthony J. Campillo
  • Vol. 32, Iss. 4 — Feb. 15, 2007
  • pp: 370–372

Coherent combining of the output of two semiconductor lasers using optical phase-lock loops

Wei Liang, Amnon Yariv, Anthony Kewitsch, and George Rakuljic  »View Author Affiliations


Optics Letters, Vol. 32, Issue 4, pp. 370-372 (2007)
http://dx.doi.org/10.1364/OL.32.000370


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Abstract

We have experimentally demonstrated current-injection optical phase-lock loops (OPLLs) based on commercial single-section semiconductor distributed-feedback (DFB) lasers. Using two parallel OPLLs, we have obtained 87% efficient coherent power combining of the two DFB lasers. The rms differential phase error between the two lasers is about 30°.

© 2007 Optical Society of America

OCIS Codes
(030.1640) Coherence and statistical optics : Coherence
(140.2010) Lasers and laser optics : Diode laser arrays
(140.3490) Lasers and laser optics : Lasers, distributed-feedback

ToC Category:
Lasers and Laser Optics

History
Original Manuscript: August 29, 2006
Revised Manuscript: November 9, 2006
Manuscript Accepted: November 10, 2006
Published: January 26, 2007

Citation
Wei Liang, Amnon Yariv, Anthony Kewitsch, and George Rakuljic, "Coherent combining of the output of two semiconductor lasers using optical phase-lock loops," Opt. Lett. 32, 370-372 (2007)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-32-4-370


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