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Optical switch with three-end exchange

A technology of optical switches and drivers, which is applied in the coupling of optical waveguides, electromagnetic wave transmission systems, electrical components, etc., to achieve the effects of stable switching performance, obvious cost-effective advantages, and reduced production costs

Inactive Publication Date: 2007-05-09
SHANGHAI INST OF LASER TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] In order to solve the above problems, the purpose of the present invention is to provide a three-terminal switchable optical switch that can solve some common problems existing in optical switching and can solve M×N multi-channel switching matrix

Method used

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  • Optical switch with three-end exchange
  • Optical switch with three-end exchange
  • Optical switch with three-end exchange

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Embodiment Construction

[0012] A three-terminal exchangeable optical switch, which includes a collimator, a driver plate and a driver, is characterized in that it is a fiber-coupled collimator that is combined and solidified by a GRIN self-focusing lens and a pigtail coupler, and has a The micro-displacement driving plate with total light reflection function and a driver are composed. The coupling plane of the GRIN self-focusing lens in the collimator and the optical coupling plane of the pigtail coupler form an angle of 4 to 8 degrees. As shown in Fig. 2, the described collimator is a three-fiber collimator 10, which is composed of a GRIN self-focusing lens 4, and three optical pigtails 11, 12, 13 are symmetrically conjugated coupled, and the described driving chip 6 It is placed on one side of the optically parallel plane of the three-fiber collimator 10 and kept perpendicular to the optical axis, and the driving plate is coated with a total light reflection film. The drive plate 6 is driven by a d...

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Abstract

A switch consists of a group of optical fibre coupled collimator combined and solidified together by GRIN lens or C lens with tail fibre coupler, an actuating sheet enabling minute quantity displacement and having all optical reflecting function as well as an actuator. The coupling plane of GRIN lens or C lens in the collimator is presented to be right angle to optical coupling plane of the tail fibre coupler with optical reflecting film plated on the actuating sheet. Three-terminal exchangeable switch has simple structure and quick speed in light exchange.

Description

technical field [0001] The invention relates to a three-terminal switchable optical switch used in all-optical broadband communication network, all-optical network equipment and large-capacity database or video IP multi-service channel switch crossover. Background technique [0002] The three-terminal switchable optical switch device is one of the core devices widely used in the construction of all-optical network engineering. Because the all-optical switching technology is still in the experimental stage, the Internet still uses ordinary telecommunication switches to connect the physical layer of the network. However, judging from the fact that multimedia has been widely used on the Internet, and the network is in great need of continuous further expansion, the optical-electrical-optical switching method adopted by the current telecommunication switches is far behind the needs of network development. The "electronic bottleneck" that restricts and hinders the further expans...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G02B6/35G02B6/32H04B10/02H04Q11/00
Inventor 王海彪王又良曲世浦
Owner SHANGHAI INST OF LASER TECH
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