G - Physics – 02 – B
Patent
G - Physics
02
B
88/97.6
G02B 6/28 (2006.01) G02B 5/20 (2006.01)
Patent
CA 1279782
OPTICAL FIBER BANDWIDTH LIMITING Abstract of the Disclosure 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.
539626
Kim Hyung Bo
O'sullivan Maurice Stephen
So Vincent Choong-Yeong
Vella Paul Joseph
Junkin Charles William
Nortel Networks Limited
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