Semiconductor laser module constituted by optically coupling...

Details Semiconductor laser module constituted by optically coupling... Semiconductor laser module constituted by optically coupling...

H - Electricity

01

S

H01S 5/026 (2006.01) H04B 10/04 (2006.01)

Patent

CA 2363447

A semiconductor laser diode module stabilizes monitor current versus optical output characteristics, and is provided with a photodiode that receives light emitted to the rear of the laser diode, a lens that collects the light into the front of the laser diode, and an optical fiber through which the light collected by the lens and incident on it is transmitted. A fiber grating formed in the optical fiber stabilizes an oscillation center wavelength of the laser diode by reflecting the light in a specific wavelength region onto the laser diode mainly consisting of a longer wavelength than the oscillation center wavelength of the laser diode or a longer wavelength than a gain center wavelength.

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