CN105429727A - Intelligent optical add-drop multiplexer - Google Patents
Intelligent optical add-drop multiplexer Download PDFInfo
- Publication number
- CN105429727A CN105429727A CN201511019642.7A CN201511019642A CN105429727A CN 105429727 A CN105429727 A CN 105429727A CN 201511019642 A CN201511019642 A CN 201511019642A CN 105429727 A CN105429727 A CN 105429727A
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- division multiplexer
- optical
- multiplexer
- wave division
- wave
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J14/00—Optical multiplex systems
- H04J14/02—Wavelength-division multiplex systems
- H04J14/0201—Add-and-drop multiplexing
- H04J14/0202—Arrangements therefor
- H04J14/0209—Multi-stage arrangements, e.g. by cascading multiplexers or demultiplexers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J14/00—Optical multiplex systems
- H04J14/02—Wavelength-division multiplex systems
- H04J14/0201—Add-and-drop multiplexing
- H04J14/0215—Architecture aspects
- H04J14/0217—Multi-degree architectures, e.g. having a connection degree greater than two
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Optical Communication System (AREA)
Abstract
The invention provides an intelligent optical add-drop multiplexer and belongs to the optical fiber communication field. The intelligent optical add-drop multiplexer includes an optical signal input end, a first photodiode, a controller, a first wavelength division multiplexer, an optical wave download end, a switch, a second wavelength division multiplexer, an optical signal output end, an optical wave upload end and a second photodiode; optical signals enter the first wavelength division multiplexer from the optical signal input end; the first photodiode and the second photodiode respectively detect optical signals of the optical signal input end and the optical wave upload end and transmits detected optical signals to the controller; the output end of the controller is connected with the first wavelength division multiplexer and the second wave division multiplexer respectively through the switch; the output end of the first wavelength division multiplexer is connected with the optical wave download en and the second wavelength division multiplexer respectively; and the output end of the second wavelength division multiplexer is connected with the optical signal output end. According to the intelligent optical add-drop multiplexer of the invention, since only two wavelength division multiplexers are adopted, and therefore, the insertion loss of the optical add-drop multiplexer can be effectively decreased, and the problem of large insertion loss of an existing optical add-drop multiplexer can be solved.
Description
Technical field
The present invention relates to a kind of optical add/drop multiplexer, particularly relate to a kind of optical add/drop multiplexer of intelligence.
Background technology
Optical add/drop multiplexer major function separates from multi-wavelength channel or inserts one or more wavelength, and what in wave transmission system, realize tributary signal divides a kind of equipment inserted with multiplexing service; Also be the preferred unit having the intermediate node of upper and lower business in main line application.
A traditional light point add/drop multiplexer comprises 2 dense wave division multiplexer modules and 1 optical switch.Each dense wave division multiplexer module comprises 3 dense wave division multiplexer devices, and optical switch comprises 2 dense wave division multiplexer parts.Therefore, traditional light point add/drop multiplexer employs 8 dense wave division multiplexer parts simultaneously, because dense wave division multiplexer device increases insertion loss, reduces the performance that light divides add/drop multiplexer.Along with the development of society, the requirement of fiber bandwidth is more and more higher, and therefore, the use reducing dense wave division multiplexer can reduce the insertion loss of light point add/drop multiplexer very well, improves the performance that light divides add/drop multiplexer.
Summary of the invention
The invention provides a kind of optical add/drop multiplexer of intelligence, solve the problem that existing optical add/drop multiplexer insertion loss is large.
The present invention solves the problem by the following technical programs:
An optical add/drop multiplexer for intelligence, comprises optical signal input, the first photodiode, controller, first wave division multiplexer, light wave downloading end, switch, Second Wave division multiplexer, light signal output end, light wave uploads end and the second photodiode;
Light signal enters first wave division multiplexer from optical signal input; The light signal of end uploaded by first photodiode, the second photodiode respectively sensed light signal input, ripple, and the light signal detected all is passed to controller; The output of controller is connected with first wave division multiplexer and Second Wave division multiplexer respectively through switch; The output of first wave division multiplexer is connected with light wave downloading end and Second Wave division multiplexer respectively; The output that Second Wave division multiplexer connects is connected with light signal output end.
Preferably, described first wave division multiplexer and Second Wave division multiplexer are dense wave division multiplexer.
Preferably, described first wave division multiplexer is added with optical filter.
Advantage of the present invention and effect are:
The invention provides a kind of optical add/drop multiplexer of intelligence, controlling first wave division multiplexer by using controller further according to the light signal control switch of the detection of the first photodiode and the second photodiode and Second Wave division multiplexer carries out solutions ripple or closes ripple, realizing point slotting and multiplexing service realizing tributary signal in wave transmission system very well; Because the wavelength division multiplexer used is fewer than traditional optical add/drop multiplexer, the insertion loss reducing light very well and divide add/drop multiplexer can be reached; Solve the problem that existing optical add/drop multiplexer insertion loss is large.
Accompanying drawing explanation
Fig. 1 is structured flowchart of the present invention.
Embodiment
Below in conjunction with embodiment, the invention will be further described.
A kind of optical add/drop multiplexer of intelligence, as shown in Figure 1, comprise optical signal input, the first photodiode, controller, first wave division multiplexer, light wave downloading end, switch, Second Wave division multiplexer, light signal output end, light wave upload end and the second photodiode;
Light signal enters first wave division multiplexer from optical signal input; The light signal of end uploaded by first photodiode, the second photodiode respectively sensed light signal input, ripple, and the light signal detected all is passed to controller; The output of controller is connected with first wave division multiplexer and Second Wave division multiplexer respectively through switch; The output of first wave division multiplexer is connected with light wave downloading end and Second Wave division multiplexer respectively; The output that Second Wave division multiplexer connects is connected with light signal output end.
Light signal enters first wave division multiplexer from optical signal input, the light signal of the first photodiode sensed light signal input, and whether controller controls first wave division multiplexer further according to the light signal control switch detected is carried out light decomposition; After decomposing, decompose light and export from light wave downloading end, realize light very well and be separated.
When system will carry out photoreactivation, the second photodiode detects the light signal that light wave uploads end, and controller controls Second Wave division multiplexer further according to the light signal control switch detected, and can be good at the insertion realizing light.
First wave division multiplexer and Second Wave division multiplexer are dense wave division multiplexer; The manageable wave-length coverage of dense wave division multiplexer is larger than Coarse Wave Division Multiplexer, can be good at the demand meeting social development.
First wave division multiplexer is added with optical filter, better can control the separation of multi-wavelength, reduces the use of wavelength division multiplexer, reduces the insertion loss that light divides add/drop multiplexer.
The invention provides a kind of optical add/drop multiplexer of intelligence, controlling first wave division multiplexer by using controller further according to the light signal control switch of the detection of the first photodiode and the second photodiode and Second Wave division multiplexer carries out solutions ripple or closes ripple, realizing point slotting and multiplexing service realizing tributary signal in wave transmission system very well; Because the wavelength division multiplexer used is fewer than traditional optical add/drop multiplexer, the insertion loss reducing light very well and divide add/drop multiplexer can be reached; Solve the problem that existing optical add/drop multiplexer insertion loss is large.
Below the preferred embodiment of the invention is illustrated, but the present invention is not limited to embodiment, those of ordinary skill in the art also can make all equivalent modification or replacement under the prerequisite without prejudice to the invention spirit, and these equivalent modification or replacement are all included in the scope of the application.
Claims (3)
1. an intelligent optical add/drop multiplexer, is characterized in that: comprise optical signal input, the first photodiode, controller, first wave division multiplexer, light wave downloading end, switch, Second Wave division multiplexer, light signal output end, light wave upload end and the second photodiode;
Light signal enters first wave division multiplexer from optical signal input; The light signal of end uploaded by first photodiode, the second photodiode respectively sensed light signal input, ripple, and the light signal detected all is passed to controller; The output of controller is connected with first wave division multiplexer and Second Wave division multiplexer respectively through switch; The output of first wave division multiplexer is connected with light wave downloading end and Second Wave division multiplexer respectively; The output that Second Wave division multiplexer connects is connected with light signal output end.
2. the optical add/drop multiplexer of a kind of intelligence according to claim 1, is characterized in that: described first wave division multiplexer and Second Wave division multiplexer are dense wave division multiplexer.
3. the optical add/drop multiplexer of a kind of intelligence according to claim 1, is characterized in that: described first wave division multiplexer is added with optical filter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201511019642.7A CN105429727B (en) | 2015-12-30 | 2015-12-30 | A kind of intelligent optical add/drop multiplexer |
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|---|---|---|---|
| CN201511019642.7A CN105429727B (en) | 2015-12-30 | 2015-12-30 | A kind of intelligent optical add/drop multiplexer |
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| Publication Number | Publication Date |
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| CN105429727A true CN105429727A (en) | 2016-03-23 |
| CN105429727B CN105429727B (en) | 2017-12-01 |
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| CN201511019642.7A Active CN105429727B (en) | 2015-12-30 | 2015-12-30 | A kind of intelligent optical add/drop multiplexer |
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| CN1514564A (en) * | 2003-08-20 | 2004-07-21 | 烽火通信科技股份有限公司 | Method of line attenuation self adaptive and path equilibrium automatic adjustment of light interleave multiplexer and its device |
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| CN1728623A (en) * | 2004-07-30 | 2006-02-01 | 富士通株式会社 | Optical add/drop multiplexer |
| JP2006310963A (en) * | 2005-04-26 | 2006-11-09 | Nec Corp | Optical multiplexer/demultiplexer, optical add/drop system, and multiplexing/demultiplexing method of optical signal |
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| CN205283558U (en) * | 2015-12-30 | 2016-06-01 | 桂林创研科技有限公司 | Optical add -drop multiplexer of intelligence |
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2015
- 2015-12-30 CN CN201511019642.7A patent/CN105429727B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1514564A (en) * | 2003-08-20 | 2004-07-21 | 烽火通信科技股份有限公司 | Method of line attenuation self adaptive and path equilibrium automatic adjustment of light interleave multiplexer and its device |
| CN1625091A (en) * | 2003-12-05 | 2005-06-08 | 华为技术有限公司 | Device, system and method for raising availability of photo-communication wavelength |
| CN1728623A (en) * | 2004-07-30 | 2006-02-01 | 富士通株式会社 | Optical add/drop multiplexer |
| JP2006310963A (en) * | 2005-04-26 | 2006-11-09 | Nec Corp | Optical multiplexer/demultiplexer, optical add/drop system, and multiplexing/demultiplexing method of optical signal |
| US20090297149A1 (en) * | 2008-05-28 | 2009-12-03 | Fujitsu Limited | Optical add/drop multiplexer |
| CN102651666A (en) * | 2011-02-24 | 2012-08-29 | 日本电气株式会社 | Optical amplifier control apparatus |
| CN102572621A (en) * | 2012-02-02 | 2012-07-11 | 中兴通讯股份有限公司 | Optical module and wavelength division multiplexing system |
| CN104243050A (en) * | 2013-06-06 | 2014-12-24 | 富士通光器件株式会社 | Optical transmitter, optical receiver and optical transceiver |
| CN104904139A (en) * | 2013-11-13 | 2015-09-09 | 华为海洋网络有限公司 | Reconfigurable optical add-drop multiplexer apparatus |
| CN205283558U (en) * | 2015-12-30 | 2016-06-01 | 桂林创研科技有限公司 | Optical add -drop multiplexer of intelligence |
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| CN105429727B (en) | 2017-12-01 |
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Denomination of invention: An intelligent optical add drop multiplexer Effective date of registration: 20220414 Granted publication date: 20171201 Pledgee: Bank of China Limited by Share Ltd. Guilin branch Pledgor: GUILIN TRYIN TECHNOLOGY Co.,Ltd. Registration number: Y2022450000048 |
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