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Optical signal processing method, device and system

A processing method and processing device technology, applied in the field of signal processing, can solve the problems of uncontrollable burst signal gain, affecting burst receiver reception, overshoot and oscillation, etc., to suppress sudden changes in optical signal power, and control is simple and reliable , to ensure the effect of stability

Active Publication Date: 2011-05-11
HUAWEI TECH CO LTD
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Problems solved by technology

[0010] In the Optical Gain Clamp solution, special attention should be paid to selecting the wavelength of the control laser. If the wavelength of the control laser is far away from the wavelength of the burst optical signal, the control laser cannot Control the burst signal gain, thereby affecting the transmission of optical signals
[0011] When the wavelength of the control laser is close to the burst optical signal, the influence of SHB can be weakened, but at this time, overshoot and oscillation will be formed, which will seriously affect the reception of the burst receiver, thereby affecting the transmission of optical signals

Method used

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  • Optical signal processing method, device and system
  • Optical signal processing method, device and system
  • Optical signal processing method, device and system

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Embodiment Construction

[0029] Embodiments of the present invention provide an optical signal processing method, device, and system, which can ensure the performance of optical signal transmission on the premise of realizing burst optical signal amplification.

[0030] see figure 1 , an embodiment of the optical signal processing method in the embodiment of the present invention includes:

[0031] 101. Obtain a first optical signal within a preset wavelength range from an optical signal generated by a gain medium;

[0032] In this embodiment, the first optical signal may be used to generate a first control optical signal to process the input optical signal.

[0033] There are many kinds of gain media, such as fiber gain media such as erbium-doped fiber or praseodymium-doped fiber, or waveguide-type gain media, and so on.

[0034] In this embodiment, similar to the all-optical gain clamping method, there are many ways to obtain the first optical signal within a preset range from the optical signal g...

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Abstract

The embodiment of the invention discloses an optical signal processing method, an optical signal processing device and an optical signal processing system, which are used for improving the transmission performance of light signals. The method disclosed in the embodiment of the invention comprises: acquiring a first optical signal within a preset wavelength range from optical signals generated by a gain medium; and performing class integration treatment of the first optical signal to obtain a first control optical signal to increase the damping coefficient of a full-light gain control circuit. The embodiment of the invention also provides an optical signal processing device and an optical signal processing system. The embodiment of the invention can effectively improve the transmission performance of optical signals.

Description

technical field [0001] The present invention relates to the field of signal processing, in particular to an optical signal processing method, device and system. Background technique [0002] In recent years, the construction of Fiber To The x (FTTx, Fiber To The x) has started gradually. FTTx is a general term for Fiber To The Building (FTTB, Fiber To The Building), Fiber To The Switch Box (FTTC, Fiber To TheCabinet) and Fiber To The Home (FTTH, Fiber To The Home). [0003] The main idea of ​​FTTx is to use optical fiber instead of the previous copper wire to connect the access points. Among them, the mainstream technology is Passive Optical Network (PON, Passive Optical Network), currently there are mainly Ethernet Passive Optical Network (EPON, Ethernet Passive Optical Network) and Gigabit-capable Passive Optical Network (GPON, Gigabit-capable Passive Optical Network) Network) two types. [0004] The main feature of the PON system is that there is a passive optical dist...

Claims

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Application Information

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IPC IPC(8): H04B10/17H04J14/02H04B10/25
Inventor 操时宜
Owner HUAWEI TECH CO LTD
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