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Proceedings Paper

Spontaneous emission noise reduction of a laser output by extracavity destructive interference
Author(s): Jean-Claude M. Diels; Ming Lai
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Paper Abstract

Our recent experiment shows that the oppositely directed spontaneous emission from a thin layer of a fluorescence source is highly coherent. It is proposed that a thin layer of gain medium be applied to a ring cavity and be located at the symmetric point from the output coupler so that the spontaneous emission in the laser outputs are correlated and can be removed from a laser beam by destructive interference technique. A theoretical analysis and a physical interpretation for such a spontaneous emission free laser beam are presented. The potential of using the device as an active laser gyro is discussed.

Paper Details

Date Published: 1 March 1991
PDF: 8 pages
Proc. SPIE 1376, Laser Noise, (1 March 1991); doi: 10.1117/12.48070
Show Author Affiliations
Jean-Claude M. Diels, Univ. of New Mexico (United States)
Ming Lai, Univ. of New Mexico (United States)

Published in SPIE Proceedings Vol. 1376:
Laser Noise
Rajarshi Roy, Editor(s)

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