Dense wave division multiplex passive optical network system for self-implant locked Fabry-Perot laser diode
A dense wavelength division multiplexing, passive optical network technology, applied in wavelength division multiplexing systems, electromagnetic wave transmission systems, transmission systems, etc., can solve the problems of expensive distributed feedback laser diode light sources
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[0023] Now, preferred embodiments of the present application will be described in detail with reference to the accompanying drawings.
[0024] figure 2 It is a schematic diagram illustrating the structure of a DWDM-PON system according to an embodiment of the present invention. Such as figure 2 As shown, the DWDM-PON system includes a central office (CO) 100, remote nodes (RN) 200, and a number of optical network units (ONUs) 300.
[0025] The central office 100 produces different wavelengths λ 1 , lambda 2 ,...λ N and send the first optical signal to the remote node 200. The central office 100 also receives signals from remote nodes 200 with different wavelengths λ N+1 , lambda N+2 ,...λ 2N of the second optical signal. In order to accomplish this function, the central office 100 includes a plurality of first transmitters 110, which are respectively used to output the first optical signal λ 1 , lambda 2 ,...λ N ; A plurality of first receivers 120, respectively ...
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