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Proceedings Paper

Electronic control of quantum fluctuations
Author(s): Claude Fabre; J. Mertz; A. Heidmann; Elisabeth Giacobino; Changde Xie; Mauquan Huang; Kunchi Peng
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Paper Abstract

Active control devices have long been proven effective in reducing the fluctuations of various physical parameters, both in electronics or in optics. In particular, systems controlling the intensity fluctuations of a laser beam by opto-electronic feedback are now widely used to reduce laser intensity noise. Such systems, make use of a beamsplitter (B), deviating part of the incoming beam onto a photodetector (PD). The resulting photocurrent, suitably amplified and filtered, is then fed into an intensity modulator (IM) which corrects the intensity fluctuations of the output beam. The correction can be applied either before the beamsplitter or after it.

Paper Details

Date Published: 28 October 1992
PDF: 5 pages
Proc. SPIE 1726, 1992 Shanghai International Symposium on Quantum Optics, (28 October 1992); doi: 10.1117/12.140327
Show Author Affiliations
Claude Fabre, Lab. de Spectroscopie Hertzienne (France)
J. Mertz, Lab. de Spectroscopie Hertzienne (France)
A. Heidmann, Lab. de Spectroscopie Hertzienne (France)
Elisabeth Giacobino, Lab. de Spectroscopie Hertzienne (France)
Changde Xie, Lab. de Spectroscopie Hertzienne (France)
Mauquan Huang, Lab. de Spectroscopie Hertzienne (France)
Kunchi Peng, Lab. de Spectroscopie Hertzienne (France)


Published in SPIE Proceedings Vol. 1726:
1992 Shanghai International Symposium on Quantum Optics

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