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10G EPON OLT (Ethernet passive optical network optical line terminal) single-fiber three-dimensional optical module

A single-fiber three-way, optical module technology, applied in optical fiber transmission, electromagnetic transceivers, multiplexing system selection devices, etc., can solve problems such as the difficulty of input optical power, reduce optical power degradation, and ensure transmission Features, the effect of increasing scalability

Active Publication Date: 2014-05-07
SOURCE PHOTONICS CHENGDU
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

In the burst mode application at the receiving end, the avalanche photodiode (APD) receives the optical power sent by different ONUs in a relatively short period of time and the length of time is different. Therefore, it is necessary to quickly and accurately respond to the burst mode. The input optical power is relatively difficult

Method used

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  • 10G EPON OLT (Ethernet passive optical network optical line terminal) single-fiber three-dimensional optical module
  • 10G EPON OLT (Ethernet passive optical network optical line terminal) single-fiber three-dimensional optical module

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[0018] The present invention will be further described below in conjunction with accompanying drawing and specific implementation;

[0019] All features disclosed in this specification, or steps in all methods or processes disclosed, may be combined in any manner, except for mutually exclusive features and / or steps.

[0020] Any feature disclosed in this specification (including any appended claims, abstract and drawings), unless expressly stated otherwise, may be replaced by alternative features which are equivalent or serve a similar purpose. That is, unless expressly stated otherwise, each feature is one example only of a series of equivalent or similar features.

[0021] see figure 1 , figure 2 , 10G EPON OLT single-fiber three-way optical module, including 10Gb / s laser driver 1, 1.25Gb / s laser driver 4, avalanche photodiode (APD) bias control circuit 5, XFP connector 6, microcontroller 2, single Fiber three-way optical device 3, limiting amplifier 7, received signal s...

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Abstract

The invention discloses a 10G EPON OLT (Ethernet passive optical network optical line terminal) single-fiber three-dimensional optical module comprising a 10Gb / s laser driver, a 1.25Gb / s laser driver, a microcontroller, a single-fiber three-dimensional optical device and a received signal strength indication circuit under a burst mode, wherein the 10Gb / s laser driver and the 1.25Gb / s laser driver are respectively connected with an XFP (10 gigabit small form factor pluggable) connector and provide an automatic optical-power control (APC) loop and a backlight current sampling function; an analog quantity is converted into a digital quantity reported to the microcontroller; the microcontroller controls to continuously light; and optical power sent by different ONUs (optical network units) is monitored by receiving terminal sudden optical power monitoring, thereby realizing that a plurality of EPON ONU optical signals are subjected to time division multiplexing on the same optical fiber so as to realize single-fiber three-dimensional data transmission.

Description

technical field [0001] The invention relates to 10G Ethernet passive optical network (10GEPON) technology, in particular to a high-speed single-fiber three-way XFP 10G EPON OLT optical module. Background technique [0002] With the promotion and popularization of FTTx (fiber-to-the-user terminal) technology, high-speed broadband services are gradually changing people's life and work styles, and family high-definition interactive film and television programs, telemedicine, and distance education are no longer far away. People's demand for bandwidth continues to increase, making the bandwidth provided by the current 1G EPON technology gradually unable to meet the needs of broadband services. Therefore, the 10G EPON technology that can provide higher bandwidth has become a very attractive solution, and the 10G EPON OLT optical module is an important part of the system. In the transition from 1.25Gb / s to 10Gb / s, the two rates of 1.25Gb / s and 10Gb / s will coexist for a long time....

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04Q11/00H04B10/40H04B10/25
Inventor 张书源蒋旭
Owner SOURCE PHOTONICS CHENGDU
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