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28 October 1992 Electronic control of quantum fluctuations
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Proceedings Volume 1726, 1992 Shanghai International Symposium on Quantum Optics; (1992)
Event: 1992 Shanghai International Symposium on Quantum Optics, 1992, Shanghai, China
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.
© (1992) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Claude Fabre, J. Mertz, A. Heidmann, Elisabeth Giacobino, Changde Xie, Mauquan Huang, and Kunchi Peng "Electronic control of quantum fluctuations", Proc. SPIE 1726, 1992 Shanghai International Symposium on Quantum Optics, (28 October 1992);


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