Spurious-free dynamic range of linewidth-insensitive coherent AM analogue optical links
- 11 November 1993
- journal article
- Published by Institution of Engineering and Technology (IET) in Electronics Letters
- Vol. 29 (23) , 2060-2061
- https://doi.org/10.1049/el:19931376
Abstract
The Letter shows that externally-modulated coherent AM optical links are limited by the third-order nonlinearity of the electrooptical modulator (EOM) and the EOM nonlinearity reduces the dynamic range by 5–19 dB from the theoretical limit. When the received optical power is less than ̃1 mW, these links have a better dynamic range than conventional direct detection links.Keywords
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