CN106301580A - Transmission method based on many bourbons road distant pump amplifying technique and system - Google Patents
Transmission method based on many bourbons road distant pump amplifying technique and system Download PDFInfo
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- CN106301580A CN106301580A CN201510354421.9A CN201510354421A CN106301580A CN 106301580 A CN106301580 A CN 106301580A CN 201510354421 A CN201510354421 A CN 201510354421A CN 106301580 A CN106301580 A CN 106301580A
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- light
- amplifier
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- light signal
- multipath
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Abstract
The invention discloses a kind of transmission method based on many bourbons road distant pump amplifying technique and system, relate to fiber-optic transfer field, it is possible to extend the distance of optical transport, thus ensure that multi-wavelength ultra long haul span is transmitted.Described method includes: after the multipath light signal that equipment of being put by the light of transmitting terminal sends is amplified by forward direction raman amplifier, be sent to remote optical pumping amplifier；Light put after the multipath light signal that equipment sends is amplified processing by described remote optical pumping amplifier, be sent to receiving terminal；The multipath light signal that equipment of being put by receiving terminal light receives carries out gain again by backward raman amplifier.The present invention is applicable to fiber-optic transfer.
Description
Technical field
The present invention relates to fiber-optic transfer field, particularly relate to a kind of based on many bourbons road distant pump amplifying technique
Transmission method and system.
Background technology
Along with developing rapidly of society, the supply of electric power is more and more important.Wherein, due to region and natural bar
The restriction of part, it is impossible to set up active relaying in transmission link, or use the operation after active relaying and dimension
Operator cannot be born for the expense of repairing, and ultra long haul span transmission technology develops therewith.At present, ultra long haul span
Transmission system mainly uses distant pump amplifying technique.
At present, existing distant pump amplifying technique mainly embeds one section of erbium-doped fiber when laying Transmission Fibers,
The pump light provided by remote station, the amplification to transmission optical signal.But existing distant pump amplifying technique
When reducing light loss and providing high-gain, it is difficult to control light amplifier gain flat degree, causes each channel
Can be widely different, thus limit transmission range.
Summary of the invention
In view of this, the present invention provides a kind of transmission method based on many bourbons road distant pump amplifying technique and system,
Main purpose is to extend the distance of optical transport, thus ensures that multi-wavelength ultra long haul span is transmitted.
According to one aspect of the present invention, it is provided that a kind of transmission method based on many bourbons road distant pump amplifying technique:
Remote optical pumping amplifier includes: light puts equipment, remote optical pumping amplifier, and light is put equipment and included forward direction raman amplifier, backward
Raman amplifier, described method includes:
After the optical signal that equipment of being put by the light of transmitting terminal sends is amplified by forward direction raman amplifier, send out
Deliver to remote optical pumping amplifier；
Light put after the optical signal that equipment sends is amplified processing by described remote optical pumping amplifier, be sent to connect
Receiving end；
The optical signal that equipment of being put by receiving terminal light receives carries out gain again by backward raman amplifier.
According to another aspect of the present invention, it is provided that a kind of transmission system based on many bourbons road distant pump amplifying technique:
Including: the light of transmitting terminal and receiving terminal puts equipment, remote optical pumping amplifier, and the light of described transmitting terminal is put equipment and included:
Forward direction raman amplifier, the light of described receiving terminal are put equipment and are included: backward raman amplifier；
The light of described transmitting terminal puts equipment, amplifies through forward direction raman amplifier for sending to remote optical pumping amplifier
Optical signal；
Described remote optical pumping amplifier, the optical signal sent for described light is put equipment is amplified processing and inciting somebody to action
Optical signal after amplification is sent to the light of receiving terminal and puts equipment；
The light of described receiving terminal puts equipment, for receiving the optical signal through described remote optical pumping amplifier, then leads to
Later to raman amplifier, optical signal is amplified again.
By technique scheme, the technical scheme that the embodiment of the present invention provides at least has the advantage that
The present invention provides a kind of transmission method based on many bourbons road distant pump amplifying technique and system, first will send out
The light of sending end is put after the optical signal that equipment sends is amplified by forward direction raman amplifier, is sent to distant pump
Amplifier；Light put after the optical signal that equipment sends is amplified processing by described remote optical pumping amplifier, send
To receiving terminal；The optical signal that equipment of being put by receiving terminal light receives carries out gain again by backward raman amplifier.
Compared with existing distant pump amplifying technique, the present invention is by being respectively provided with forward direction Raman at transmitting terminal and receiving terminal
Amplifier and backward raman amplifier, it is possible to increase the gain of transmission such that it is able to extend the distance of optical transport,
Ensure the transmission of multi-wavelength ultra long haul span.
Accompanying drawing explanation
Fig. 1 shows a kind of based on many bourbons road distant pump amplifying technique the transmission side that the embodiment of the present invention provides
The flow chart of method.
Fig. 2 shows a kind of based on many bourbons road distant pump amplifying technique the transmission system that the embodiment of the present invention provides
The structural representation of system.
Detailed description of the invention
The present invention is described in further detail with embodiment below in conjunction with the accompanying drawings.
The embodiment of the present invention provides a kind of transmission method based on many bourbons road distant pump amplifying technique, such as Fig. 1 institute
Showing, Remote optical pumping amplifier includes: light puts equipment, remote optical pumping amplifier, light put equipment include forward direction raman amplifier,
Backward raman amplifier, described method includes:
101, the multipath light signal that equipment of being put by the light of transmitting terminal sends is carried out by described forward direction raman amplifier
After Fang great ing, it is sent to remote optical pumping amplifier.
Wherein, Remote optical pumping amplifier can also include: wave multiplexer, channel-splitting filter.Optical amplifier apparatus can comprise optical mode
Block, dispersion pre-compensation module, power amplifier, forward direction raman amplifier etc..Described multipath light signal bag
Containing 40 road optical signals.Such as, optical module can include that C21 wavelength light module is to C60 wavelength light module, conjunction
Ripple device includes C21-C60 port, the emission port of C21 wavelength light module to C60 wavelength light module respectively with conjunction
The C21-C60 port of ripple device is corresponding to be attached.
For also including before the embodiment of the present invention, step 101: described transmitting terminal optical module is sent many
Road optical signal sends wave multiplexer to carry out closing ripple process；Described multipath light signal after wave multiplexer is sent color
Dissipate in precompensation module and be transmitted, multipath light signal is carried out dispersion pre-compensation；By described pre-through dispersion
Multipath light signal transmitting optical power amplifier after compensation carries out optical signal power adjustment；Now, 101 step
Can be by described being adjusted after multipath light signal send forward direction raman amplifier be amplified.
102, light put after the multipath light signal that equipment sends is amplified processing by described remote optical pumping amplifier,
It is sent to receiving terminal.
For the embodiment of the present invention, described remote optical pumping amplifier includes distant pump pump unit and described distant pump gain list
Unit；Step 102 is specifically as follows: the multipath light signal that equipment of being put by the light through described transmitting terminal sends
Multipath light signal is carried out after sending described distant pump gain unit by the pump light sent with described distant pump pump unit
Amplify.
103, the multipath light signal that equipment of being put by receiving terminal light receives is carried out by described backward raman amplifier again
Secondary gain.
Wherein, the optical amplifier apparatus of receiving terminal can include optical module, dispersion compensation module, preamplifier
Deng.Such as, optical module can include that C21 wavelength light module includes to C60 wavelength light module, channel-splitting filter
C21-C60 port, the C21-C60 port of channel-splitting filter respectively with C21 wavelength light module to C60 wavelength light module
Emission port corresponding.For including after the embodiment of the present invention, step 103: by described many
Road optical signal is sent in described dispersion compensation module be transmitted, and multipath light signal is carried out dispersion compensation；
Described multipath light signal after dispersion compensation is sent in described preamplifier and carries out optical signal power tune
Whole；Described multipath light signal after again adjusting is sent to channel-splitting filter and carries out partial wave process.
For the embodiment of the present invention, described light puts equipment, remote optical pumping amplifier, described wave multiplexer, described partial wave
Device carries out network management communication by router.Wherein, the light of transmitting terminal and receiving terminal put equipment, remote optical pumping amplifier,
Wave multiplexer, channel-splitting filter are respectively connected to switch, and the router of switch incoming fiber optic transmission network carries out webmaster and leads to
Letter.Concrete IP configures such as table:
The present invention provides a kind of transmission method based on many bourbons road distant pump amplifying technique, first by transmitting terminal
Light is put after the optical signal that equipment sends is amplified by forward direction raman amplifier, is sent to remote optical pumping amplifier；
Light put after the optical signal that equipment sends is amplified processing by described remote optical pumping amplifier, be sent to receiving terminal；
The optical signal that equipment of being put by receiving terminal light receives carries out gain again by backward raman amplifier.With existing
Distant pump amplifying technique is compared, the present invention by transmitting terminal and receiving terminal be respectively provided with forward direction raman amplifier and
Backward raman amplifier, it is possible to increase the gain of transmission such that it is able to extend the distance of optical transport, it is ensured that many
Wavelength ultra long haul span is transmitted.
A kind of based on many bourbons road distant pump amplifying technique the transmission system that the embodiment of the present invention provides, such as Fig. 2
Shown in, including: the light of transmitting terminal puts equipment 11, the light of receiving terminal puts equipment 12, remote optical pumping amplifier 13, institute
State the light of transmitting terminal to put equipment 11 and include: forward direction raman amplifier, the light of described receiving terminal are put equipment 12 and wrapped
Include: backward raman amplifier；
The light of described transmitting terminal puts equipment 11, puts through described forward direction Raman for sending to remote optical pumping amplifier 13
The multipath light signal that big device amplifies；
Described remote optical pumping amplifier 13, the optical signal sent for the light of described transmitting terminal is put equipment 11 is put
Multipath light signal after processing greatly and amplifying is sent to the light of receiving terminal and puts equipment 12；
The light of described receiving terminal puts equipment 12, for receiving the multipath light signal through described remote optical pumping amplifier 13,
Then by described backward raman amplifier, multipath light signal is amplified again.
For the embodiment of the present invention, described Remote optical pumping amplifier also includes: wave multiplexer 14, channel-splitting filter 15；Described
The light of sending end is put equipment 11 and is also included: optical module, dispersion pre-compensation module, power amplifier；
Described optical module, for the multipath light signal that will send；
Described wave multiplexer 14, the multipath light signal for being sent by described optical module carries out closing ripple and processes；
Described dispersion pre-compensation module, for carrying out the multipath light signal after described wave multiplexer 14 closes ripple
Dispersion pre-compensation；
Described power amplifier, for by the multi-path light after described dispersion pre-compensation module dispersion compensation
Signal carries out optical signal power adjustment.
Described remote optical pumping amplifier includes: distant pump pump unit and distant pump gain unit；
Described distant pump pump unit, is used for sending pump light；
Described distant pump gain unit, for combining the pump light that described distant pump pump unit sends, by transmitting terminal
Light put the multipath light signal that equipment sends and be amplified.
Described optical module, for receiving the multipath light signal after described remote optical pumping amplifier amplifies；
Described dispersion compensation module, carries out dispersion compensation for the multipath light signal received by described optical module；
Described preamplifier, for by the multipath light signal after described dispersion compensation module dispersion compensation
Carry out power again to adjust；
Described channel-splitting filter 15, for carrying out partial wave process by the multipath light signal after described adjustment again.
The light of described transmitting terminal is put the light of equipment 11 and receiving terminal and is put equipment 12, described remote optical pumping amplifier 13,
Described wave multiplexer 14, described channel-splitting filter 15 carry out network management communication by router.
A kind of based on many bourbons road distant pump amplifying technique the transmission system that the present invention provides, first by transmitting terminal
Light put after the optical signal that equipment sends is amplified by forward direction raman amplifier, be sent to distant pump and amplify
Device；Light put after the optical signal that equipment sends is amplified processing by described remote optical pumping amplifier, be sent to connect
Receiving end；The optical signal that equipment of being put by receiving terminal light receives carries out gain again by backward raman amplifier.With
Existing distant pump amplifying technique is compared, and the present invention is put by being respectively provided with forward direction Raman at transmitting terminal and receiving terminal
Big device and backward raman amplifier, it is possible to increase the gain of transmission such that it is able to extend the distance of optical transport,
Ensure the transmission of multi-wavelength ultra long haul span.
Through the above description of the embodiments, those skilled in the art is it can be understood that arrive this
Bright can add the mode of required common hardware by software and realize, naturally it is also possible to by hardware, but a lot
In the case of the former is more preferably embodiment.Based on such understanding, technical scheme substantially or
Person says that the part contributing prior art can embody with the form of software product, and this computer is soft
Part product is stored in the storage medium that can read, such as the floppy disk of computer, and hard disk or CD etc., if including
Dry instruction is with so that a computer equipment (can be personal computer, server, or the network equipment
Deng) perform the method described in each embodiment of the present invention.
The above, the only detailed description of the invention of the present invention, but protection scope of the present invention is not limited to
This, any those familiar with the art, in the technical scope that the invention discloses, can readily occur in
Change or replacement, all should contain within protection scope of the present invention.Therefore, protection scope of the present invention should
It is as the criterion with described scope of the claims.
Claims (10)
1. a transmission method based on many bourbons road distant pump amplifying technique, it is characterised in that Remote optical pumping amplifier bag
Including: the light of transmitting terminal and receiving terminal puts equipment, remote optical pumping amplifier, the light of described transmitting terminal is put equipment and is included:
Forward direction raman amplifier, the light of described receiving terminal are put equipment and are included: backward raman amplifier；Described method bag
Include:
The multipath light signal that equipment of being put by the light of transmitting terminal sends is amplified by described forward direction raman amplifier
After, it is sent to remote optical pumping amplifier；
Light put after the multipath light signal that equipment sends is amplified processing by described remote optical pumping amplifier, send
Light to receiving terminal puts equipment；
The multipath light signal that equipment of being put by receiving terminal light receives is increased again by described backward raman amplifier
Benefit.
Transmission method based on many bourbons road distant pump amplifying technique the most according to claim 1, its feature
Being, Remote optical pumping amplifier also includes: wave multiplexer, channel-splitting filter；The light of described transmitting terminal is put equipment and is also included: light
Module, dispersion pre-compensation module, power amplifier；Described the light of transmitting terminal is put the light letter that equipment sends
Also include before number step being amplified by forward direction raman amplifier:
The multipath light signal that described transmitting terminal optical module sends is sent to wave multiplexer carry out closing ripple process；
Described multipath light signal after wave multiplexer closes ripple is sent in dispersion pre-compensation module and is transmitted,
Multipath light signal is carried out dispersion pre-compensation；
Described multipath light signal transmitting optical power amplifier after dispersion pre-compensation will carry out optical signal merit
Rate adjusts；
Described the light of transmitting terminal is put the multipath light signal that equipment sends it be amplified by forward direction raman amplifier
Step include:
Multipath light signal after described being adjusted is sent forward direction raman amplifier be amplified.
Transmission method based on many bourbons road distant pump amplifying technique the most according to claim 1, its feature
Being, described remote optical pumping amplifier includes: distant pump pump unit and distant pump gain unit；Described by described distant
Light is put the step that the multipath light signal that equipment sends is amplified processing and is included by pump amplifier:
The pump light described multipath light signal and described distant pump pump unit sent sends described distant pump gain list
After unit, multipath light signal is amplified.
Transmission method based on many bourbons road distant pump amplifying technique the most according to claim 1, its feature
Being, the light of described receiving terminal is put equipment and is also included: optical module, dispersion compensation module, preamplifier；
The described multipath light signal that receiving terminal light is put equipment reception is increased again by described backward raman amplifier
Include after the step of benefit:
It is sent to described multipath light signal in described dispersion compensation module be transmitted, multipath light signal is entered
Row dispersion compensation；
Described multipath light signal after dispersion compensation is sent in described preamplifier and carries out optical signal merit
Rate adjusts；
Described multipath light signal after again adjusting is sent to channel-splitting filter and carries out partial wave process.
Transmission method based on many bourbons road distant pump amplifying technique the most according to claim 1, its feature
Being, the light of described transmitting terminal and receiving terminal puts equipment, described remote optical pumping amplifier, described wave multiplexer, described
Channel-splitting filter carries out network management communication by router.
6. a transmission system based on many bourbons road distant pump amplifying technique, it is characterised in that including: send
The light of end and receiving terminal puts equipment, remote optical pumping amplifier, and the light of described transmitting terminal is put equipment and included: forward direction Raman
Amplifier, the light of described receiving terminal are put equipment and are included: backward raman amplifier；
The light of described transmitting terminal puts equipment, amplifies through forward direction raman amplifier for sending to remote optical pumping amplifier
Multipath light signal；
Described remote optical pumping amplifier, the multipath light signal sent for described light being put equipment be amplified processing with
And the multipath light signal after amplifying is sent to the light of receiving terminal and puts equipment；
The light of described receiving terminal puts equipment, for receiving the multipath light signal through described remote optical pumping amplifier, so
By backward raman amplifier, multipath light signal is amplified again afterwards.
Transmission system based on many bourbons road distant pump amplifying technique the most according to claim 6, its feature
Being, Remote optical pumping amplifier also includes: wave multiplexer, channel-splitting filter；The light of described transmitting terminal is put equipment and is also included: light
Module, dispersion pre-compensation module, power amplifier；
Described optical module, for the multipath light signal that will send；
Described wave multiplexer, the multipath light signal for being sent by described optical module carries out closing ripple and processes；
Described dispersion pre-compensation module, for carrying out color by the multipath light signal after described wave multiplexer closes ripple
Dissipate precompensation；
Described power amplifier, for by the multi-path light after described dispersion pre-compensation module dispersion compensation
Signal carries out optical signal power adjustment.
Transmission system based on many bourbons road distant pump amplifying technique the most according to claim 6, its feature
Being, described remote optical pumping amplifier includes: distant pump pump unit and distant pump gain unit；
Described distant pump pump unit, is used for sending pump light；
Described distant pump gain unit, for combining the pump light that described distant pump pump unit sends, by transmitting terminal
Light put the multipath light signal that equipment sends and be amplified.
Transmission system based on many bourbons road distant pump amplifying technique the most according to claim 6, its feature
Being, the light of described receiving terminal is put equipment and is also included optical module, dispersion compensation module, preamplifier；
Described optical module, for receiving the multipath light signal after described remote optical pumping amplifier amplifies；
Described dispersion compensation module, carries out dispersion compensation for the multipath light signal received by described optical module；
Described preamplifier, for by the multipath light signal after described dispersion compensation module dispersion compensation
Carry out power again to adjust；
Described channel-splitting filter, for carrying out partial wave process by the optical signal after described adjustment again.
Transmission system based on many bourbons road distant pump amplifying technique the most according to claim 6, it is special
Levying and be, the light of described transmitting terminal and receiving terminal puts equipment, described remote optical pumping amplifier, described wave multiplexer, institute
State channel-splitting filter and carry out network management communication by router.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510354421.9A CN106301580A (en) | 2015-06-24 | 2015-06-24 | Transmission method based on many bourbons road distant pump amplifying technique and system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510354421.9A CN106301580A (en) | 2015-06-24 | 2015-06-24 | Transmission method based on many bourbons road distant pump amplifying technique and system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106301580A true CN106301580A (en) | 2017-01-04 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510354421.9A Pending CN106301580A (en) | 2015-06-24 | 2015-06-24 | Transmission method based on many bourbons road distant pump amplifying technique and system |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6263139B1 (en) * | 1998-11-09 | 2001-07-17 | Nippon Telegraph And Telephone Corporation | Optical transmission system with group velocity dispersion compensation |
| CN1749838A (en) * | 2004-09-15 | 2006-03-22 | 华为技术有限公司 | Light transmission system and light amplifying method used therein |
| CN103166708A (en) * | 2013-03-14 | 2013-06-19 | 武汉光迅科技股份有限公司 | Method for increasing output optical signal-to-noise ratio of remote pump system |
-
2015
- 2015-06-24 CN CN201510354421.9A patent/CN106301580A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6263139B1 (en) * | 1998-11-09 | 2001-07-17 | Nippon Telegraph And Telephone Corporation | Optical transmission system with group velocity dispersion compensation |
| CN1749838A (en) * | 2004-09-15 | 2006-03-22 | 华为技术有限公司 | Light transmission system and light amplifying method used therein |
| CN103166708A (en) * | 2013-03-14 | 2013-06-19 | 武汉光迅科技股份有限公司 | Method for increasing output optical signal-to-noise ratio of remote pump system |
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Application publication date: 20170104 |