H - Electricity – 04 – B
Patent
H - Electricity
04
B
H04B 10/16 (2006.01) H01S 3/067 (2006.01) H01S 3/10 (2006.01)
Patent
CA 2258453
An optical fiber amplifier surge protective apparatus includes an optical branch unit, an optical delay circuit, a light input hit detecting circuit, a compensation optical signal generating circuit, and an optical multiplexer. The optical branch unit branches an optical signal input from an optical fiber line into a main optical signal on a main optical path and a branch optical signal on a branch optical path. The optical delay circuit delays the main optical signal on the main optical path. The light input hit detecting circuit monitors the level of the branch optical signal on the branch optical path to detect an optical fiber line hit. The compensation optical signal generating circuit generates a compensation optical signal having a wavelength different from that of the optical signal input when the light input hit detecting circuit detects the optical fiber line hit. The optical multiplexer multiplexes the compensation optical signal from the compensation optical signal generating circuit and the delayed main optical signal from the optical delay circuit.
Corporation Nec
Smart & Biggar
LandOfFree
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