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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Alan E. Willner
  • Vol. 34, Iss. 13 — Jul. 1, 2009
  • pp: 2042–2044

Coherent polarization locking of a diode emitter array

S. P. Ng and P. B. Phua  »View Author Affiliations


Optics Letters, Vol. 34, Issue 13, pp. 2042-2044 (2009)
http://dx.doi.org/10.1364/OL.34.002042


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Abstract

We present our work on the coherent combining of an array of diode emitters in a conventional diode bar configuration using the coherent polarization locking technique. An external laser cavity is designed so that the diode emissions from four diode emitters are spatially overlapped and passively phase locked via a series of birefringent walk-off crystals and a polarizing beam splitter. This concept was experimentally demonstrated up to 1030 ‚ÄČ mW of coherently combined power and was shown to increase the laser brightness of the diode bar by approximately 50 times.

© 2009 Optical Society of America

OCIS Codes
(140.2010) Lasers and laser optics : Diode laser arrays
(140.3298) Lasers and laser optics : Laser beam combining

ToC Category:
Lasers and Laser Optics

History
Original Manuscript: April 21, 2009
Revised Manuscript: May 14, 2009
Manuscript Accepted: May 18, 2009
Published: June 29, 2009

Citation
S. P. Ng and P. B. Phua, "Coherent polarization locking of a diode emitter array," Opt. Lett. 34, 2042-2044 (2009)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-34-13-2042

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