Externally modulated laser, passive optical communication device and system
A laser, external modulation technology, applied in lasers, laser components, optical multiplexing systems, etc., can solve the problem of increasing the power consumption of laser modules, reduce power consumption, solve high power consumption, and reduce hardware costs Effect
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[0038] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.
[0039] Existing electro-absorption modulated lasers are mainly composed of DFB lasers and electro-absorption modulators. The DFB lasers are used to generate continuous laser light, and the electro-absorption modulators are used to convert high-speed electrical signals into high-speed optical signals.
[0040] Among them, the DFB grating in the DFB...
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