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Wavelength tunable light source and wavelength switching control method for wavelength tunable light source
Wavelength tunable light source and wavelength switching control method for wavelength tunable light source
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机译：波长可调光源及波长可调光源的波长切换控制方法
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摘要
A variable wavelength light source according to the present invention comprises a tunable laser element and a control device, wherein the wavelength tunable laser element includes M laser diodes that emit light by laser oscillation and M laser diodes output from M laser diodes A multiplexer / demultiplexer for combining the lights and branching out the two lights, a first semiconductor optical amplifier for amplifying the branched one output light and outputting the first outgoing light, and a branched output And a second semiconductor optical amplifier for amplifying the light and outputting the second outgoing light, wherein the control device switches the electric power to be input to the second semiconductor optical amplifier, whereby the first outgoing light and the second outgoing light And performs wavelength switching control of the wavelength of the outgoing light.
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