Optical module device and optical fiber expansion system
An optical module and optical fiber technology, applied in the field of optical signals, can solve the problems of inability to effectively improve the multiplexing of optical fiber channels in optical modules, increase network construction costs, and low efficiency, so as to save network construction costs, reduce engineering installation difficulties, and optimize The effect of networking
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[0042] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0043] Such as figure 1 As shown, the function, node structure and its products and applications of the existing OADM system based on WDM technology, the branch signal of its add-drop multiplexing is called an optical channel in units of wavelength. The OADM device is one of the key node devices of the all-optical network.
[0044] A WDM signal contains channels of multiple wavelengths, and these channels are multiplexed and transmitted in an optical fiber, a...
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