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Coarse wavelength division device and system based on photonic integrated circuit

A photonic integrated circuit and coarse wavelength division technology, applied in the field of communication, can solve the problems of complex structure and high power consumption of the coarse wavelength division system, and achieve the effects of low failure risk, less equipment footprint, and high single-channel capacity

Active Publication Date: 2011-04-20
ZTE CORP
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Require up to 16 or 32 optical forwarding units (optical converters) and 8 or 16 physical fiber channels in the 8-wave or 16-wave CWDM system like this; Therefore, the coarse wavelength division system structure that this prior art provides is complicated, and high power consumption

Method used

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  • Coarse wavelength division device and system based on photonic integrated circuit
  • Coarse wavelength division device and system based on photonic integrated circuit
  • Coarse wavelength division device and system based on photonic integrated circuit

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Embodiment Construction

[0023] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0024] An embodiment of the present invention provides a coarse wavelength division device based on a photonic integrated circuit, such as figure 2 As shown, the device includes: an optical receiver 102 and an optical demultiplexer 101 disposed on the first photonic integrated circuit, an optical multiplexer 109 and a laser 108 disposed on the second photonic integrated circuit, and also includes a connector 104, Microcontroller 105, receiving side clock data recovery unit 103, driver 107 and sending side clock data recovery unit 106, wherein:

[0025] The optical demultiplexer 101 is connected t...

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Abstract

The invention relates to a coarse wavelength division device and system based on a photonic integrated circuit, the device comprises a light receiver and a light wave divider arranged on a first phonetic integrated circuit, a light wave combiner and a laser arranged on a second phonetic integrated circuit, and further comprises a connector, a micro connector, a clock data recovery unit a receiving side, a driver and a clock data recovery unit at sending side. Compared with the prior art, the device and the system are provided with higher single-channel capacity, energy-saving degree and reliability, less failure risk and cost, simpler mounting program and less floor space of equipment.

Description

technical field [0001] The present invention relates to the field of communication technology, in particular to a coarse wavelength division device based on a PIC (Peripheral Interface Controller, photonic integrated circuit) and a dense wave multiplexing (DWDM, Dense Wavelength Division Multiplexing) using the coarse wavelength division device based on a photonic integrated circuit ) system and coarse wave division system. Background technique [0002] In the prior art in the optical communication system, there are many discrete channels, such as: there are many discrete devices such as OMU (optical multiplexer), ODU (optical demultiplexer), optical fiber connector, and optical fiber coupler in a single channel. Communication terminal equipment takes up a lot of space and consumes a lot of power. [0003] In the CWDM (coarse wavelength division) system provided by the prior art, the structure of the system is as follows figure 1 As shown, include OTU (optical converter) 1...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04J14/02
Inventor 苏展蔡尧
Owner ZTE CORP
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