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An apparatus and method to calculate a noise figure of an optical amplifier for wavelength channels in a partial-fill scenario to account for channel loading

A wavelength channel and optical amplifier technology, applied in the field of communication network, can solve the problem of increasing noise

Active Publication Date: 2014-01-01
HUAWEI TECH CO LTD
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  • Abstract
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  • Claims
  • Application Information

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Problems solved by technology

However, it should be noted that EDFA can also add noise to the optical signal

Method used

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  • An apparatus and method to calculate a noise figure of an optical amplifier for wavelength channels in a partial-fill scenario to account for channel loading
  • An apparatus and method to calculate a noise figure of an optical amplifier for wavelength channels in a partial-fill scenario to account for channel loading
  • An apparatus and method to calculate a noise figure of an optical amplifier for wavelength channels in a partial-fill scenario to account for channel loading

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Embodiment Construction

[0033] It should be understood from the outset that although an illustrative implementation of one or more embodiments is provided below, the disclosed systems and / or methods may be implemented using any number of techniques, whether currently known or in existence. The invention should in no way be limited to the illustrative implementations, drawings, and techniques illustrated below, including the exemplary designs and implementations illustrated and described herein, but may be limited within the scope of the appended claims and their equivalents. Modified in full.

[0034] EDFA can be deployed in optical communication systems, such as various positions on optical links. Understanding and modeling the performance and characteristics of EDFAs (such as noise and gain characteristics) may be crucial to improve network design and control of optical communication systems. The characteristics of the EDFA may include a noise index of the EDFA, and the noise index may be used to ...

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Abstract

An apparatus comprising a processor configured to calculate a noise figure of an optical amplifier for a plurality of selected wavelength channels in a partial-fill scenario that accounts for channel loading. The noise figure is calculated using a plurality of corresponding noise figure correction values at a plurality of wavelengths based on an effective number of channels.

Description

[0001] Cross References to Related Applications [0002] The present invention requires U.S. Serial No. 13 / 091,690, entitled "An Apparatus and Method for Calculating Noise Index of Optical Fiber Amplifiers for Wavelength Channels in a Partial Fill Scenario Considering Channel Loading," filed by Zhiping Jiang on April 21, 2011 Priority to earlier patent applications, the contents of which are incorporated herein by reference as if reproduced in full. technical field [0003] The present invention relates to communication networks and, more particularly, to calculating fiber amplifier noise figures for wavelength channels. Background technique [0004] Optical transmission systems form the basic carrier of most telecommunication systems. Many optical transmission technologies are based on the principle of wavelength division multiplexing (WDM) or dense WDM (dense wavelength division multiplexing, DWDM), in which transmission channels are carried by optical signals of differen...

Claims

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Application Information

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IPC IPC(8): H04B10/079
CPCH04B10/0797H01S3/00H04B10/296H04B10/2507H04J14/02
Inventor 蒋志平钟健崔岩
Owner HUAWEI TECH CO LTD
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