2.5 Gbps-speed long-span optical communication transmission device

A transmission device, long-span technology, applied in the field of optical communication transmission

Inactive Publication Date: 2015-06-10
WUXI TACLINK OPTOELECTRONICS TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0002] 2.5Gbps ultra-long-span optical communication transmission technology, the main limiting factors are power and dispersion

Method used

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  • 2.5 Gbps-speed long-span optical communication transmission device
  • 2.5 Gbps-speed long-span optical communication transmission device
  • 2.5 Gbps-speed long-span optical communication transmission device

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Embodiment Construction

[0019] Specific embodiments of the present invention are described in detail below, but it should be understood that the protection scope of the present invention is not limited by the specific embodiments.

[0020] Unless expressly stated otherwise, throughout the specification and claims, the term "comprise" or variations thereof such as "includes" or "includes" and the like will be understood to include the stated elements or constituents, and not Other elements or other components are not excluded.

[0021] Such as figure 1 As shown, a 2.5Gbps rate long-span optical communication transmission device includes: 10Gbps electroabsorption modulation transmission module, SBS suppression module, optical amplifier, 2.5Gbps optical reception module; the 10Gbps electroabsorption modulation transmission module includes EA modulation TOSA Laser, bias circuit, drive circuit, data clock recovery CDR, MCU, EA modulated TOSA laser is connected with bias circuit and drive circuit respecti...

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Abstract

The invention discloses a 2.5 Gbps-speed long-span optical communication transmission device. The 2.5 Gbps-speed long-span optical communication transmission device comprises a 2.5 Gbps optical receiving module, an electric absorption modulation emitting module with SBS suppression technique, and an optical amplifier; the 2.5 Gbps optical receiving module converts input optical signals into electric signals and carries out shaping, amplifying and clock regeneration on the electric signals; the electric absorption modulation emitting module is responsible for converting the electric signals into optical signals, and the optical amplifier is responsible for amplifying the optical signals. The 2.5 Gbps-speed long-span optical communication transmission device uses the electric absorption modulation emitting module in a 10 Gbps system to perform 2.5 Gpbs spectrum emitting, through adding disturbance, the nonlinear threshold of the optical module is improved, and the 2.5 Gbps super-long-span optical communication transmission is realized through matching with the 2.5 Gbps optical receiving module.

Description

Technical field: [0001] The invention belongs to the field of optical communication transmission, in particular to a long-span optical communication transmission device with a rate of 2.5Gbps. Background technique: [0002] 2.5Gbps ultra-long-span optical communication transmission technology, the main limiting factors are power and dispersion. Normally, the transmission optical power of 2.5Gbps optical module is about 0dBm, and the optical fiber amplifier can be used to increase the transmission optical power. The dispersion tolerance of 2.5Gbps optical module is generally 3200ps / nm. In G.652 optical cable, it can transmit about 160km, more Dispersion compensation must be used for long transmission distances. [0003] The information disclosed in this Background section is only for enhancing the understanding of the general background of the present invention and should not be taken as an acknowledgment or any form of suggestion that the information constitutes the prior a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04B10/2507
Inventor 姚志强
Owner WUXI TACLINK OPTOELECTRONICS TECH CO LTD
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