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Proceedings Paper

External ring cavity modes of semiconductor laser using photorefractive double phase-conjugate mirror
Author(s): Cunkai Wu; Yang Zhao
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Paper Abstract

Phase-conjugate external ring cavity modes of semiconductor lasers and phase-conjugate feedback effects were investigated. The phase-conjugate ring cavity is formed with a double phase-conjugate mirror. The effects of bi- and uni- directional phase-conjugate feedback on the operating state of a laser diode were studied. When the bidirectional phase- conjugate feedback is above -40 dB, the output spectrum of the laser is broadened and the operating state of the laser changes to multimode state. It was experimentally observed that in the ring cavity two opposite traveling waves, which are phase conjugates of each other, propagate.

Paper Details

Date Published: 25 October 1996
PDF: 5 pages
Proc. SPIE 2849, Photorefractive Fiber and Crystal Devices: Materials, Optical Properties, and Applications II, (25 October 1996); doi: 10.1117/12.255477
Show Author Affiliations
Cunkai Wu, Wayne State Univ. (United States)
Yang Zhao, Wayne State Univ. (United States)


Published in SPIE Proceedings Vol. 2849:
Photorefractive Fiber and Crystal Devices: Materials, Optical Properties, and Applications II
Francis T. S. Yu; Shizhuo Yin, Editor(s)

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