G - Physics
02
F
G02F 1/39 (2006.01) H04B 10/16 (2006.01)
Patent
CA 2068870
An optical amplifier is disclosed which, in an optical amplifier adapted such that signal light and pump light are propagated through an optical waveguide structure (2, 2') therein made of an optically nonlinear material to thereby achieve optical parametric amplification or four-wave mixing optical amplification of the signal light, is provided with means for attenuating idler light to be generated within the optical waveguide structure. The optical amplifier has an advantage that phase matching between the pump light and the signal light is easily achieved and thus an optical amplifier operative over a broad frequency band can be realized.
Fetherstonhaugh & Co.
Fujitsu Limited
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