A matching method for enhancing the birefringence of long-chain molecular polymer optical waveguides

A birefringence, polymer technology, applied in the directions of optical waveguides, light guides, optics, etc., can solve the problems of weakening, inability to realize polarization state control, reducing the birefringence of polymer optical waveguides, etc., to achieve enhanced birefringence, The effect of improving induction efficiency

Inactive Publication Date: 2016-01-20
NANJING UNIV OF POSTS & TELECOMM
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Problems solved by technology

The induced birefringence and the birefringence of polymers with long-chain molecular structure are often opposite. When preparing various polarization state control devices based on polymer optical waveguides, the birefringence of polymer optical waveguides is reduced instead. Therefore, it weakens or even fails to realize various polarization state control functions.

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  • A matching method for enhancing the birefringence of long-chain molecular polymer optical waveguides
  • A matching method for enhancing the birefringence of long-chain molecular polymer optical waveguides
  • A matching method for enhancing the birefringence of long-chain molecular polymer optical waveguides

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Embodiment Construction

[0029] The matching induction method for enhancing the birefringence of long-chain molecular polymer materials proposed by the present invention is to etch air grooves with a certain slope in the depth of the sidewall of the long-chain polymer optical waveguide, and prepare metal electrodes to form and waveguide The polarized electric field parallel to the planar substrate, thereby realizing the enhanced matching induction of the intrinsic birefringence of the polymer material, the invention will be described in detail below in conjunction with the accompanying drawings:

[0030] The polymer optical waveguide as an embodiment of the patent of the present invention can use fluorinated polymer materials. Fluorinated polymer materials generally have low polarizability, and a conjugated double bond structure can be formed by modifying the organic molecular structure; free charges can move along the double bond structure, thereby obtaining a higher polarizability along this directio...

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Abstract

The invention discloses a matching method for enhancing the birefringence of a long-chain molecular polymer optical waveguide. The sidewall of the long-chain molecular polymer optical waveguide is deeply etched with an air groove with a certain slope to prepare a metal electrode to form a waveguide. The polarization electric field parallel to the substrate plane can enhance the birefringence of the long-chain molecular polymer optical waveguide through polarization induction, and realize the matching with the intrinsic birefringence of the long-chain molecular polymer material. Wherein the optical waveguide is a long-chain molecular polymer material, and the prepared metal electrodes are made of gold, silver or other metals. The waveguide birefringence induced by the invention matches the birefringence of the long-chain molecular polymer material, and can significantly improve the efficiency of inducing the birefringence of the long-chain molecular polymer material by the electric field polarization method.

Description

technical field [0001] The invention relates to the technical field of organic photoelectric devices, in particular to a matching method for enhancing the birefringence of long-chain molecular polymer optical waveguides. Background technique [0002] The coherent optical communication system is the most effective large-capacity, large-bandwidth, high-speed long-distance communication system for many new communication services in the future, and it is also the only solution for optical networks with data rates above 100Gb / s. Polarization multiplexing and demultiplexing technology is one of the key technologies to increase the transmission data rate in coherent optical communication systems, and the development of these technologies urgently requires the development of high-performance, low-cost key components. These key components, including polarization beam combiners, polarization beam splitters, polarization rotators, polarization controllers, etc., all need to be made of ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G02B6/13G02B6/136G02B6/138
Inventor 王瑾付旭赵新彦
Owner NANJING UNIV OF POSTS & TELECOMM
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