Lightwave CATV systems using frequency-modulated laser and interferometer
- 23 November 1989
- journal article
- Published by Institution of Engineering and Technology (IET) in Electronics Letters
- Vol. 25 (24) , 1665-1666
- https://doi.org/10.1049/el:19891116
Abstract
The feasibility of using a frequency-modulated laser followed by an interferometer in a subcarrier multiplexed system is considered. It is found that a Fabry-Perot is not sufficiently linear for multichannel AM-VSB systems. A Mach-Zehnder has acceptable performance only if the losses in each arm of the interferometer are balanced, and a high-power laser diode is used.Keywords
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