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Optical transceiver with combined transmitter and receiver assembly

A technology of optical transceivers and assemblies, applied in the field of optical transceivers, can solve the problems of increased deployment costs of optical transceivers, difficulties in using FPC, etc.

Active Publication Date: 2018-08-31
BROADEX TECH UK LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] Unfortunately, having ROSA and TOSA in separate housings and using FPCs can lead to increased deployment costs for optical transceivers
Also, using FPCs in practice can pose difficulties

Method used

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  • Optical transceiver with combined transmitter and receiver assembly
  • Optical transceiver with combined transmitter and receiver assembly
  • Optical transceiver with combined transmitter and receiver assembly

Examples

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Embodiment Construction

[0022] In some embodiments, an optical transceiver includes a circuit board and a planar lightwave circuit (PLC) secured in place to a common carrier, eg, a common substrate or a common metal plate. The PLC includes both an optical multiplexer and an optical demultiplexer. The input of the multiplexer is coupled to the output of the laser diode, wherein the output of the multiplexer is coupled to an output fiber, which in many embodiments is a first fiber pigtail. The input of the demultiplexer is coupled to an input fiber, which in many embodiments is a second fiber pigtail, wherein the output of the demultiplexer is coupled to a photodiode. In some embodiments, one or both of the multiplexer and demultiplexer consist of an arrayed waveguide grating (AWG).

[0023] In some embodiments, first and second fiber pigtails are coupled to first and second capillary structures, respectively, wherein the first and second capillary structures are mounted (in some embodiments, bonded) ...

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PUM

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Abstract

An optical transceiver assembly includes a circuit board and a PLC, both performing transmission and reception functions, in a common volume of a common housing, electro-optical conversion elements, for example lasers and / or photo-detectors. Lasers may be on a further substrate on the circuit board.

Description

Background technique [0001] The present invention relates generally to optical transceivers, and more particularly, the present invention relates to an optical transceiver having a combined transmitter and receiver assembly. [0002] Optical transceivers are commonly used in optical communication systems. These optical communication systems can be used in a variety of communication applications. For example, long-haul communication systems may use optical fibers in transmitting information over long distances. Similarly, within a data center, optical communications can be used to transfer information between servers. With respect to data centers, any given data center may contain a large number of servers, and each server may in turn have a large number of optical communication links. [0003] Generally, optical communication links are provided by optical fibers with optical transceivers at each end of the optical fibers. In general, any particular optical fiber may be cou...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G02B6/293G02B6/12G02B6/35
CPCG02B6/428G02B6/4246G02B6/12019G02B6/4214H04B10/40H04J14/0227
Inventor 巴蒂阿·佩泽什基约翰·希纽
Owner BROADEX TECH UK LTD