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Semiconductor laser module constituted by optically coupling optical fiber having fiber grating and laser diode
Semiconductor laser module constituted by optically coupling optical fiber having fiber grating and laser diode
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机译:由具有光纤光栅和激光二极管的光纤光耦合构成的半导体激光器模块
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摘要
This semiconductor laser diode module optically couples a laser diode and an optical fiber in which a fiber grating is formed, and a monitor photodiode for an optical output monitor is arranged at the rear of the laser diode. The semiconductor laser diode module improves the optical output characteristics at the optical fiber end versus the current of the monitor diode by setting the reflection center wavelength of the fiber grating to a longer wavelength than the oscillation center wavelength or the gain center wavelength in a laser diode.
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