Measurement of optical interference due to multiple optical carriers in subcarrier multiplexing
- 1 April 1991
- journal article
- Published by Institute of Electrical and Electronics Engineers (IEEE) in IEEE Photonics Technology Letters
- Vol. 3 (4) , 387-389
- https://doi.org/10.1109/68.82121
Abstract
Optical interference noise was measured with two multilongitudinal mode semiconductor lasers. The results show that optical interference may seriously degrade the performance of a subcarrier multiplexing (SCM) system which uses multiple optical sources. It is shown that under worst-case conditions even a single video channel cannot be transmitted. Therefore, steps need to be taken to minimize or avoid the interference, such as separating the laser wavelengths, for example.Keywords
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