Power Penalty From Amplified Spontaneous Emission in Spatial Diversity Links for Fade Mitigation

We investigate the power penalty caused by excess amplified spontaneous emission in an optically preamplified receiver for a communications link where a multiwavelength spatial diversity transmitter is used to mitigate atmospheric fading. We compare measured receiver sensitivity for a four-wavelengt...

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Bibliographic Details
Published in:IEEE photonics technology letters 2009-02, Vol.21 (3), p.170-172
Main Authors: Ulmer, T G, Henion, S R, Walther, F G
Format: Article
Language:English
Online Access:Get full text
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Summary:We investigate the power penalty caused by excess amplified spontaneous emission in an optically preamplified receiver for a communications link where a multiwavelength spatial diversity transmitter is used to mitigate atmospheric fading. We compare measured receiver sensitivity for a four-wavelength 10.7- Gb/s nonreturn-to-zero on-off-keyed system to theory using both the Gaussian noise approximation and chi square statistics. .
ISSN:1041-1135
DOI:10.1109/LPT.2008.2009318>