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Optical switch and optical switch array

A technology of optical switch and rotating part, which is applied in the field of optical communication, can solve the problems of complex locking structure, difficult integration, large chip area, etc., and achieve the effect of simple state locking, large-scale integration, and easy large-scale integration

Active Publication Date: 2013-04-24
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the locking structure is usually complex and requires a very large chip area. Therefore, it is difficult to expand the existing MEMS optical switch to realize an optical switch array with multiple micromirror arrays on one chip, that is, it is difficult to achieve large-scale integration.

Method used

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  • Optical switch and optical switch array
  • Optical switch and optical switch array
  • Optical switch and optical switch array

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Experimental program
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Effect test

Embodiment Construction

[0014] The optical switch and the optical switch array provided by the embodiments of the present invention are described in detail below in conjunction with specific embodiments.

[0015] In order to solve the problems existing in the prior art, the optical switch provided by the embodiment of the present invention adopts a form self-adaptive remodeling (Form Self Remolding, FSR) material in its locking structure, and utilizes the FSR material to the optical switch The state locking is carried out after switching the light-on state. Since the FSR material has deformation memory and structural remodeling, it can simply realize the state locking of the optical switch. On the one hand, it does not need to occupy a large chip area; on the other hand, it enables The optical switch is easy to realize large-scale integration.

[0016] For example, the optical switch may be a MEMS optical switch, which includes a semiconductor substrate with a rotating part and a twist beam, a micro-...

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Abstract

Embodiments of the present invention disclose an optical switch, which includes: a semiconductor substrate, including a first rotation part and a first torsion beam disposed at two ends of the first rotation part, where the first torsion beam is configured to drive the first rotation part to rotate; a microreflector, disposed on a surface of the first rotation part of the semiconductor substrate; a first latching structure, disposed on a surface of the first torsion beam, the first latching structure including a form self remolding FSR material layer and a thermal field source, where the thermal field source is configured to provide a thermal field for the FSR material layer and the FSR material layer is configured to undergo form remolding under the thermal field, so as to latch the first rotation part and the microreflector in a position after rotation. The embodiments of the present invention further disclose an optical switch array.

Description

technical field [0001] The present invention mainly relates to optical communication technology, and in particular, relates to an optical switch and an optical switch array applicable to an optical communication system. Background technique [0002] In traditional communication networks, transmission media can be divided into two types: wired and wireless. Wireless transmission media mainly include microwave lines and geostationary satellite lines, while wired transmission media mainly include copper wire cables and fiber optic cables. After entering the era of digital communication, because the information capacity of copper wire and cable is too small to meet the needs of rapidly developing digital communication, and the information capacity of optical fiber can be several orders of magnitude higher than that of copper wire, therefore, optical communication using optical fiber as the transmission medium Technology has attracted more and more attention from the industry. ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G02B26/08
CPCG02B26/0841G02B6/3518G02B6/358G02B6/3584G02B6/3546G02B6/3556C22F1/006G02B7/1827G02B26/0833G02B26/0866
Inventor 温运生赵峻陈庆华张海霞吴文刚
Owner HUAWEI TECH CO LTD