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Proceedings Paper

Optimum optical local oscillator power levels in coherent detection systems
Author(s): J. Fred Holmes; Badih John Rask
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Paper Abstract

Use of an optical local oscillator for coherent detection with a photoconductor or a photodiode can significantly reduce the responsivity of the detector due to saturation effects. Consequently, local oscillator shot noise limited operation of the detector may not be possible. However, a local oscillator power level can be selected that maximizes the signal to noise ratio.

Paper Details

Date Published: 1 April 1993
PDF: 7 pages
Proc. SPIE 1982, Photoelectronic Detection and Imaging: Technology and Applications '93, (1 April 1993); doi: 10.1117/12.142009
Show Author Affiliations
J. Fred Holmes, Oregon Graduate Institute of Science and Technology (United States)
Badih John Rask, Oregon Graduate Institute of Science and Technology (United States)


Published in SPIE Proceedings Vol. 1982:
Photoelectronic Detection and Imaging: Technology and Applications '93

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