Optical fiber bandwidth limiting

Details Optical fiber bandwidth limiting Optical fiber bandwidth limiting

1987-06-15

1989-08-22

Sikes, William L.

350 9615, G02B 628

Patent

active

048590185

ABSTRACT:
A bandwidth limiter for an optical fiber transmission path comprises a four-port optical coupler via which an optical signal is passed. A spliced optical fiber provides a loop, from an output to an input of the coupler, with a predetermined propagation delay and attenuation. An alternative arrangement uses two couplers which are coupled together via fibers of different length and hence propagation delay.

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