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

A wavelength division multiplexing device and wavelength division multiplexing technology, applied in wavelength division multiplexing systems, transmission systems, optical components, etc., can solve the problems of difficult to small packaging, large insertion loss, low coupling efficiency, etc., to reduce The effect of small space, operation error and high alignment accuracy

CN102684794AInactive Publication Date: 2012-09-19INNOLIGHT TECHNOLOGY (SUZHOU) LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Publication Date
2012-09-19
Estimated Expiration
Not applicable · inactive patent

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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.
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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...

Examples

Embodiment Construction

[0024] A new type of wavelength division multiplexing and demultiplexing optical component applied to high-speed parallel long-distance transmission, including the transmitting end, the optical mirror group of the transmitting end, the optical mirror group of the receiving end and the receiving end arranged in sequence, such as figure 1 , figure 2 As shown, the transmitting end is the laser group 1 of the coarse wavelength division multiplexing wavelength specified by IEEE 802.3ba, the receiving end is the detector group 14 of the coarse wavelength division multiplexing wavelength specified by IEEE 802.3ba, and the optical mirror group of the transmitting end includes a silicon lens Group 2, optical adjustment plate group 3, lower layer silicon lens array 4, lower layer filter group 5, lower layer free space wavelength division multiplexing device 6, optical isolator 7 and focusing lens 8, the optical mirror group at the receiving end includes a collimating lens 10. The upper...