Impact of fiber backscatter on loop video transmission without optical isolator

Santanu K. Das; Josef P. Ocenasek

doi:10.1117/12.24596

1 January 1991 Impact of fiber backscatter on loop video transmission without optical isolator

Santanu K. Das, Josef P. Ocenasek

Proceedings Volume 1363, Fiber Optics in the Subscriber Loop; (1991) https://doi.org/10.1117/12.24596
Event: SPIE Microelectronic Interconnect and Integrated Processing Symposium, 1990, San Jose, United States

Abstract

When a semiconductor laser is coupled to an optical fiber without an isolator sharp intensity noise spikes can occur due to Rayleigh backscatter. It is shown that these spikes can be suppressed by self locking the laser with a discrete reflection of magnitude comparable to Rayleigh backscatter. This approach is of interest for certain low-cost lightwave applications such as the subscriber ioop where the use of optical isolators may not be desirable due to cost constraints.

Citation Download Citation

Santanu K. Das and Josef P. Ocenasek "Impact of fiber backscatter on loop video transmission without optical isolator", Proc. SPIE 1363, Fiber Optics in the Subscriber Loop, (1 January 1991); https://doi.org/10.1117/12.24596

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