Novel wavelength division multiplexing demultiplexing optical assembly applied to high-speed parallel long-distance transmission

Abstract

The invention relates to a novel wavelength division multiplexing demultiplexing optical assembly applied to high-speed parallel long-distance transmission. The output end of a laser group is sequentially provided with a lens group, an optical regulating plate group, a lower layer silicon lens array and a lower layer optical filter group, wherein the output end of the lower layer optical filter group is provided with a lower layer free space wavelength division multiplexing device, the output end of the lower layer free space wavelength division multiplexing device is provided with an optical isolator, the output end of the optical isolator is provided with a focusing lens, the output end of the focusing lens is connected with an input optical fiber, an output optical fiber is connected with a collimating lens, the output end of the collimating lens is connected with a prism, the output end of the prism is provided with an upper layer free space wavelength division multiplexing device, the output end of the upper layer free space wavelength division multiplexing device is provided with the upper layer optical filter group, the output end of the upper layer optical fiber group is provided with an upper layer silicon lens array, and the output end of the upper layer silicon lens array is provided with a detector group. The optical signal multiplexing and demultiplexing is realized by using the optical filter array structure.

Description

technical field [0001] The invention relates to a novel wavelength division multiplexing and demultiplexing optical component applied to high-speed parallel long-distance transmission, and belongs to the technical field of optical transceiver modules for optical communication. Background technique [0002] With the increasing transmission capacity in the communication field, it is difficult for traditional transmission technologies to meet the requirements of transmission capacity and transmission speed. , in order to prevent the shortage of core network bandwidth resources, carriers and service providers plan the deployment of a new generation of high-speed network protocols. The Institute of Electrical and Electronics Engineers (IEEE) has developed unified standards for 40Gbps and 100Gbps Ethernet under the P802.3ba engineering task group. [0003] However, with the rapid growth of human's demand for communication bandwidth, existing communication systems are facing two c...

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Problems solved by technology

[0004] The purpose of the present invention is to overcome the deficiencies in the prior art, provide a wavelength division multiplexing and demultiplexing optical component that meets the application requirements of high-speed parallel long-distance transmission, and effectively solve the insertion loss of traditional wavelength division multiplexing and demultiplexing optical components Large size, low coupling efficiency, short transmission distance, poor reliability, and difficulty in small packaging

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