H - Electricity – 04 – B
Patent
H - Electricity
04
B
H04B 10/17 (2006.01) H01S 3/067 (2006.01) H04B 10/18 (2006.01) H04J 14/02 (2006.01) H01S 3/094 (2006.01) H01S 3/10 (2006.01) H01S 3/102 (2006.01)
Patent
CA 2292348
This is disclosed an optical amplifier comprising: an optical waveguide for amplifying signal light incident thereon and outputting thus amplified signal light while pumping light is being supplied; a transmission device, substantially cascaded to said optical waveguide, for transmitting therethrough the signal light with a predetermined transmission characteristic; pumping device for outputting the pumping light and supplying the pumping light to the optical waveguide; temperature detecting device for detecting a temperature of or near the optical waveguide; and control unit for controlling the transmission characteristic of the transmission device according to the temperature detected by the temperature detecting device.
Marks & Clerk
Sumitomo Electric Industries Ltd.
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