CN107017948A - A kind of SFP+ single fibers bi-directional dense wavelength division transceiver optical-electric module - Google Patents
A kind of SFP+ single fibers bi-directional dense wavelength division transceiver optical-electric module Download PDFInfo
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- CN107017948A CN107017948A CN201710220391.1A CN201710220391A CN107017948A CN 107017948 A CN107017948 A CN 107017948A CN 201710220391 A CN201710220391 A CN 201710220391A CN 107017948 A CN107017948 A CN 107017948A
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- 239000000835 fiber Substances 0.000 title claims abstract description 35
- 230000003287 optical effect Effects 0.000 claims abstract description 35
- 230000005540 biological transmission Effects 0.000 claims abstract description 25
- 238000006243 chemical reaction Methods 0.000 claims abstract description 15
- 239000013307 optical fiber Substances 0.000 claims abstract description 13
- 238000001914 filtration Methods 0.000 claims abstract description 8
- 230000001276 controlling effect Effects 0.000 claims description 17
- 238000005057 refrigeration Methods 0.000 claims description 14
- 238000012544 monitoring process Methods 0.000 claims description 13
- 230000001105 regulatory effect Effects 0.000 claims description 5
- 230000008030 elimination Effects 0.000 claims description 4
- 238000003379 elimination reaction Methods 0.000 claims description 4
- 230000004224 protection Effects 0.000 claims description 3
- 238000012546 transfer Methods 0.000 abstract description 3
- 230000006870 function Effects 0.000 description 7
- 230000035945 sensitivity Effects 0.000 description 6
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- 230000008569 process Effects 0.000 description 3
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- 230000003321 amplification Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000003199 nucleic acid amplification method Methods 0.000 description 2
- 230000005622 photoelectricity Effects 0.000 description 2
- 230000008054 signal transmission Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
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- 238000012163 sequencing technique Methods 0.000 description 1
- 230000011664 signaling Effects 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/40—Transceivers
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Abstract
The present invention proposes SFP+ single fiber bi-directional dense wavelength division transceiver optical-electric modules, including the receiving circuit that the radiating circuit being made up of electrical-optical translated channel and optical-electronic translated channel controlled by single chip machine controlling circuit is constituted；Radiating circuit includes transmitting terminal ce circuit, transmission signal drive circuit, transmitter, the dense wave division multiplexer unit being sequentially connected；Receiving circuit includes described dense wave division multiplexer unit, receiver, the receiving terminal ce circuit being sequentially connected；Dense wave division multiplexer unit order fibre optical fiber includes light transmission device and filtering apparatus.In the present invention, by dense wave division multiplexer unit after optical signal output, the emitting portion of dense wave division multiplexer unit will start light transmission device, the receiving portion of dense wave division multiplexer unit will start filtering apparatus simultaneously, so optical signal will be entered in the optical fiber docked with applications in an orderly manner, realize conversion and single fiber transfer function of the transmitting electric signal to optical signal.
Description
Technical field
The present invention relates to technical field of photo communication, more particularly to a kind of SFP+ single fibers bi-directional dense wavelength division transceiver photoelectricity
Module.
Background technology
With the development of optical communication technique, WDM patterns realize that high capacity transmission constantly turns into the one of Optical Communication Technology Development
Individual Main way.The current corresponding optical modules of WDM can only realize the transmitted in both directions of double-fiber, and Large Copacity, height can not be met completely
Speed, the transmission requirement of long range.If two-way long range, the high-property transmission of single fiber can be realized, huge will be played to WDM fields
Big impetus, cost reduction of arranging net, networking bandwidth increase to operator will all be significant.
The content of the invention
It is an object of the invention to overcome the bottleneck problem of dense wave division multipurpose single fiber transmission implementation in the prior art
And propose SFP+ single fiber bi-directional dense wavelength division transceiver optical-electric modules.
To achieve these goals, the technical scheme that the present invention takes is as follows：SFP+ single fibers bi-directional dense wavelength division transmitting-receiving one
Body optical-electric module, including the radiating circuit being made up of electrical-optical translated channel and optical-electronic controlled by single chip machine controlling circuit turn
Change the receiving circuit of path composition；Described radiating circuit includes transmitting terminal ce circuit, the transmission signal driving electricity being sequentially connected
Road, transmitter, dense wave division multiplexer unit；Described receiving circuit includes the described dense wave division multiplexer being sequentially connected
Unit, receiver, receiving terminal ce circuit；The fine optical fiber of described dense wave division multiplexer unit order includes light transmission device and filter
Electro-optical device；Described light transmission device is arranged in radiating circuit, between transmitter and single fiber optical fiber, and described filtering apparatus is set
In receiving circuit, between single fiber optical fiber and receiver.
In the present invention, by dense wave division multiplexer unit, the transmitting of dense wave division multiplexer unit after optical signal output
Part will start light transmission device, while the receiving portion of dense wave division multiplexer unit will start filtering apparatus, such optical signal
It will in an orderly manner enter in the optical fiber docked with applications, realize conversion and single fiber of the transmitting electric signal to optical signal
Transfer function.Dense wave division multiplexer unit includes light transmitting cells and filter unit, realizes the single optical fiber transmitting-receiving of optical signal.
Further, in above-mentioned SFP+ single fiber bi-directional dense wavelength division transceiver optical-electric modules：Described transmitter bag
Refrigeration mode ballistic device and TEC control circuits are included, described TEC controls circuit under single chip machine controlling circuit control to described
Refrigeration mode ballistic device carries out temperature control.The TEC controls circuit includes the TEC data acquisition modules being sequentially connected, TEC electricity
Flow output module and TEC automatic regulating modules；Described TEC data acquisition modules are acquired to TEC temperature；Described TEC
Automatic regulating module is calculated by the data of described TEC data collecting module collecteds, the TEC electric currents described in adjust automatically
The output of output module.
Refrigeration mode ballistic device ensures transmitting by TEC (heat converter, ThennalEnergyConverter) controls
Device is operated at stable temperature, so as to realize stable wavelength, it is ensured that the stability of signal transmission.
Further, in above-mentioned SFP+ single fiber bi-directional dense wavelength division transceiver optical-electric modules：Described receiver is
Avalanche type high sensitive receiver part.
Avalanche type high sensitive receiver part reaches optimum sensitivity by avalanche effect, and snowslide high pressure uses temperature-compensating
Make it to be operated in each temperature spot and be issued to optimum performance.Avalanche type high sensitive receiver part can be realized micro- by avalanche effect
The reception of low light signals reaches high sensitivity index.
Further, in above-mentioned SFP+ single fiber bi-directional dense wavelength division transceiver optical-electric modules：The single-chip microcomputer control
Circuit includes temperature monitoring module, voltage monitoring module, BIAS current modules, Output optical power monitoring module and input optical power
Monitoring module.
Register configuration is carried out to drive circuit by single chip machine controlling circuit, modulus AD collections turn are carried out using single-chip microcomputer
Change, DA controls functions.Single chip machine controlling circuit from I2C to transmission signal drive circuit, ce circuit by depositing
Device is configured, and realizes product major function, flexible.
Further, in above-mentioned SFP+ single fiber bi-directional dense wavelength division transceiver optical-electric modules：Also include APD and boost electric
Road, the output termination APD booster circuits of avalanche type high sensitive receiver part, by the electric signal changed by optical signal received
Exported via after the APD booster circuits under single chip machine controlling circuit control.The APD booster circuits include APD voltage outputs,
APD overvoltage protections, APD voltages noise elimination, APD temperature-compensatings and RSSI conversion outputs.Ensure receiving terminal device job stability and
Use reliability.
Brief description of the drawings
Fig. 1 is the structure principle chart of SFP+ single fibers bi-directional dense wavelength division transceiver optical-electric module of the present invention.
Fig. 2 is electric-light conversion circuit theory diagram.
Fig. 3 is that SFP+ single fibers bi-directional dense wavelength division of the present invention receives and dispatches receiving circuit block diagram.
Embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with accompanying drawing pair of the embodiment of the present invention
The present invention is further described.
As shown in figure 1, the present invention proposes that SFP+ single fiber bi-directional dense wavelength division transceiver optical-electric modules, including optical-electronic turn
Change passage and electrical-optical ALT-CH alternate channel, wherein electrical-optical ALT-CH alternate channel be in radiating circuit by from the golden finger on circuit board or its
The circuit that the electric signal sent in its bus is converted into optical signal and then launched from optical fiber, and optical-electronic conversion is by light
The optical signal received on fibre is converted into electric signal, is the important ring in receiving channel.
In the present embodiment, the reception electricity that the radiating circuit and optical-electronic translated channel being made up of electrical-optical translated channel are constituted
Road is by single chip machine controlling circuit control.
As shown in Fig. 2 radiating circuit includes the transmitting terminal ce circuit, transmission signal drive circuit, transmitting being sequentially connected
Device, dense wave division multiplexer unit.
Receiving circuit includes described dense wave division multiplexer unit, receiver, receiving terminal ce circuit.
Wherein, no matter dense wave division multiplexer unit is used in receiving circuit or in radiating circuit, intensive ripple
Division multiplexer unit order fibre optical fiber, includes light transmission device and filtering apparatus in dense wave division multiplexer unit.
Here ce circuit includes transmitting ce circuit and receives two parts of ce circuit, recovers for data clock, transmitting
The electric signal entered from the golden finger on circuit board is carried out shaping and inputted to transmission signal drive circuit, receiving terminal by ce circuit
Ce circuit will be received and receive the electric signal that optical signal is converted into by receiver, and data clock recovery is carried out to the electric signal
What is be transmitted into accordingly arrives golden finger, it is ensured that the quality of signal.
Transmission signal drive circuit includes signal coupling driving, the output of LD electric currents, PD feedback monitorings, automated power control
APC, fault alarm function.Wherein LD electric currents are output as laser and provide continual and steady clean driving current, and signal coupling is driven
Dynamic to coordinate laser that electric signal is coupled in optical signal, the PD feedback monitorings that transmission signal drive circuit is included are to output light work(
Rate carries out sampling and calculates and constantly change by described automated power control APC the size of driving current in real time, so that really
Protect the constant of luminous power.Above-mentioned fault alarm function carries out two-way detection to above-mentioned steps, such as occur extremely if reporting fault simultaneously
Electric current output is closed, plays a part of self-protection.
Transmitter includes refrigeration mode ballistic device and TEC control circuits, and TEC controls circuit in single chip machine controlling circuit control
Under to refrigeration mode ballistic device carry out temperature control.TEC control circuits include TEC data acquisition modules, TEC current output modules
And TEC automatic regulating modules.
Include the TEC data acquisitions, TEC electric currents that TEC control circuits include being sequentially connected are exported and TEC adjust automaticallies, TEC
Data acquisition is acquired to the data of TEC temperature AD conversion, TEC adjust automaticallies are calculated by the data of collection, automatically
The output of TEC electric currents is adjusted, and then is supplied to the electric current driving required for TEC refrigeration heating；TEC adjust automaticallies are also protected comprising self
Protective function, when TEC breaks down part or working environment exceeds prescribed limit, TEC adjust automaticallies are protected output is closed.
In the receiving circuit that optical-electronic is changed, in addition to APD booster circuits, avalanche type high sensitive receiver part it is defeated
Go out to terminate APD booster circuits, by the electric signal changed by optical signal received via under single chip machine controlling circuit control
Exported after APD booster circuits.APD booster circuits include APD voltage outputs, APD overvoltage protections, APD voltages noise elimination, APD temperature
Compensation and RSSI conversion outputs.Ensure receiving terminal device job stability and use reliability.
APD voltage outputs are main body, and by providing totally stable high pressure after APD voltage noise eliminations, APD temperature-compensatings are led to
Cross temperature compensation curve and calculate look-up table, to being compensated under different temperatures to the different demands of voltage, it is ensured that snowslide is in optimal shape
Under state, so as to reach optimum sensitivity, APD overvoltages to device comprising playing a protective role, and RSSI conversion outputs pass through single-chip microcomputer
Real-time monitoring and control is realized in sampling calculating.
Single chip machine controlling circuit is the control centre of the present embodiment, and single chip machine controlling circuit realizes product by principal and subordinate I2C
Functional configuration, the output of five monitoring parameters of DDMI and the read-write of product information, five monitoring parameters be voltage, temperature, BIAS circuits,
Output optical power and input optical power.
As shown in figure 3, refrigeration mode ballistic device and avalanche type high sensitive receiver part, which are the present embodiment, realizes conversion
Device.Refrigeration mode ballistic device also includes TEC refrigerating plants, LD transmitting light sources and PD feedbacks, and TEC refrigerating plants can be by laser
Temperature carries out sampling and sends single chip machine controlling circuit calculating to and indicated to be freezed and heated according to single chip machine controlling circuit, from
And ensure laser works at a fixed temperature, further ensure that the stability of luminous operation wavelength.
As shown in figure 3, avalanche type high sensitive receiver part, which also includes PD, receives electro-optical device, trans-impedance amplifier, APD snowslides dress
Put.Wherein, faint optical signal is converted to and is converted into voltage by trans-impedance amplifier amplification again after current signal by PD receipts electro-optical devices
Signal output, APD snowslides device can produce avalanche effect in the process, so that bigger improve the sensitivity received.
The present invention specific work process be：As shown in figure 1, electric signal enters ce circuit by emitting portion golden finger
Transmitting terminal, is passed through by transmission signal drive circuit, transmission signal drive circuit coordinates refrigeration mode ballistic device after data shaping
By electric signal coupling modulation into optical signal, in this course, single chip machine controlling circuit drives electricity to ce circuit and transmission signal
Road carries out register configuration, adjusts each mechanism unit and works in an orderly manner.TEC control circuits coordinate to refrigeration mode ballistic device simultaneously
Work escort, allow refrigeration mode ballistic device to be operated under same design temperature.By intensive after optical signal output
Wavelength division multiplexer unit, the emitting portion of dense wave division multiplexer unit will start light transmission device, while dense wave division multiplexer
The receiving portion of unit will start filtering apparatus, and such optical signal will enter the light docked with applications in an orderly manner
In fibre, conversion and single fiber transfer function of the transmitting electric signal to optical signal are realized.Realize the conversion for receiving optical signal to electric signal
Process is then when optical signal by the corresponding optical fiber in outside enters SFP+ single fiber bi-directional dense wavelength division transceiver photoelectricity
During the dense wave division multiplexer unit of module, the receiving portion of dense wave division multiplexer unit will enable light transmission mode, it is allowed to light
The input of signal, reaches the avalanche type high sensitive receiver part of receiving circuit after optical signal input, avalanche type high sensitivity connects
Optical signal will be completed to the preliminary conversion of electric signal by receiving device, in this course will be by avalanche effect and amplification, to signal
Handled, it is ensured that high-quality electric signal after fainter optical signal and output Shaping can be received, electric signal enters circuit
The ce circuit of main control unit further recovers output, eventually arrives at golden finger receiving portion, completes optical signal turning to electric signal
Change.
In addition to the above, circuit main control unit of the present invention is additionally provided with power supply and distributed in order, each funtion part
Power supply distinguishes management and control by single-chip microcomputer, sets and starts sequencing and protected；Zone isolation is also carried out to reference horizontal plane of manufacturing
Processing, reduces interfering for each funtion part.The mode of operation of low-voltage is also configured by single-chip microcomputer simultaneously, is being ensured
Reduce product overall power under the conditions of properties of product.In addition, pureed thermal paste is used in terms of thermal design and assembling and is dissipated
Backing, which is combined, carries out contact radiating, can effectively improve radiating efficiency, improve product reliability energy.
The beneficial effect of the present embodiment：The present invention receives double ce circuits using transmitting ensures high speed signaling quality；Pass through list
Piece machine controls circuit to carry out register configuration to drive circuit, controls each portion using single-chip microcomputer progress modulus AD collections conversion, DA
Divide function；Refrigeration mode ballistic device controls to ensure that ballistic device is operated at stable temperature by TEC, so as to realize stabilization
Wavelength, it is ensured that the stability of signal transmission；Avalanche type high sensitive receiver part reaches optimum sensitivity by avalanche effect, snow
Collapse high pressure and make it to be operated in each temperature spot using temperature-compensating and be issued to optimum performance；Dense wave division multiplexer unit passes through spirit
Control living realizes that the light of transmitting will not enter receiving terminal and cause erroneous judgement, while the light received will not be interfered into transmitting terminal,
Realize stable single channel optical link transmitted in both directions.
Only as described above, only the preferred embodiments of the invention, can not be limited certainly with this this new implementation it
Scope, i.e., make simple equivalent changes and modifications according to the content described in the claims in the present invention and description of the invention generally,
All it is still covered by the claims of the invention.Searched in addition, summary unit and title are intended merely to auxiliary patent document
Seek and being used, not for limiting the interest field of the present invention.
Claims (7)
1. a kind of SFP+ single fibers bi-directional dense wavelength division transceiver optical-electric module, including by single chip machine controlling circuit control by
The radiating circuit of electrical-optical translated channel composition and the receiving circuit of optical-electronic translated channel composition；Described radiating circuit includes
Transmitting terminal ce circuit, transmission signal drive circuit, transmitter, the dense wave division multiplexer unit being sequentially connected；Described reception
Circuit includes described dense wave division multiplexer unit, receiver, the receiving terminal ce circuit being sequentially connected；It is characterized in that：
The fine optical fiber of described dense wave division multiplexer unit order, including light transmission device and filtering apparatus；Described light transmission device
It is arranged in radiating circuit, between transmitter and single fiber optical fiber, described filtering apparatus is arranged in receiving circuit, single fiber optical fiber
Between receiver.
2. SFP+ single fibers bi-directional dense wavelength division transceiver optical-electric module according to claim 1, it is characterised in that：It is described
Transmitter include refrigeration mode ballistic device and TEC control circuits, described TEC controls circuit in single chip machine controlling circuit control
Under temperature control is carried out to described refrigeration mode ballistic device.
3. SFP+ single fibers bi-directional dense wavelength division transceiver optical-electric module according to claim 2, it is characterised in that：It is described
TEC control circuits include TEC data acquisition modules, TEC current output modules and the TEC automatic regulating modules being sequentially connected；Institute
The TEC data acquisition modules stated are acquired to TEC temperature；Described TEC automatic regulating modules are adopted by described TEC data
The data of collection module collection are calculated, the output of the TEC current output modules described in adjust automatically.
4. SFP+ single fibers bi-directional dense wavelength division transceiver optical-electric module according to claim 1, it is characterised in that：It is described
Receiver be avalanche type high sensitive receiver part.
5. SFP+ single fibers bi-directional dense wavelength division transceiver optical-electric module according to claim 1, it is characterised in that：It is described
Single chip machine controlling circuit include temperature monitoring module, voltage monitoring module, BIAS current modules, Output optical power monitoring module and
Monitoring input optical power module.
6. SFP+ single fibers bi-directional dense wavelength division transceiver optical-electric module according to claim 4, it is characterised in that：Also wrap
APD booster circuits are included, the output termination APD booster circuits of avalanche type high sensitive receiver part will be received by optical signal
The electric signal of conversion is exported via after the APD booster circuits under single chip machine controlling circuit control.
7. SFP+ single fibers bi-directional dense wavelength division transceiver optical-electric module according to claim 6, it is characterised in that：It is described
APD booster circuits include APD voltage outputs, APD overvoltage protections, APD voltages noise elimination, APD temperature-compensatings and RSSI conversion outputs.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710220391.1A CN107017948A (en) | 2017-04-06 | 2017-04-06 | A kind of SFP+ single fibers bi-directional dense wavelength division transceiver optical-electric module |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710220391.1A CN107017948A (en) | 2017-04-06 | 2017-04-06 | A kind of SFP+ single fibers bi-directional dense wavelength division transceiver optical-electric module |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108011596A (en) * | 2017-12-28 | 2018-05-08 | 合肥安聚仪电科技有限公司 | The preposition amplification of photodiode and temperature control equipment and its system |
| CN109100838A (en) * | 2018-09-03 | 2018-12-28 | 武汉电信器件有限公司 | A kind of integral single fibre bilateral device of controllable temperature |
| CN110176960A (en) * | 2019-06-27 | 2019-08-27 | 成都光创联科技有限公司 | A kind of novel single fiber bi-directional multichannel input optical module |
| WO2020220829A1 (en) * | 2019-04-29 | 2020-11-05 | 杭州芯耘光电科技有限公司 | Adjustable bidirectional transmission micro-optoelectronic system supporting online upgrade configuration |
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| CN102710334A (en) * | 2012-05-25 | 2012-10-03 | 武汉电信器件有限公司 | 40G CFP optical module for long-distance transmission |
| CN104348553A (en) * | 2013-08-01 | 2015-02-11 | 深圳新飞通光电子技术有限公司 | Cfp optical transceiver module |
| CN206640582U (en) * | 2017-04-06 | 2017-11-14 | 深圳市欧凌克光电科技有限公司 | A kind of SFP+ single fibers bi-directional dense wavelength division transceiver optical-electric module |
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| US20080292322A1 (en) * | 2007-05-24 | 2008-11-27 | Finisar Corporation | Optoelectronic devices with intelligent transmitter modules |
| CN102193156A (en) * | 2011-06-29 | 2011-09-21 | 索尔思光电（成都）有限公司 | BIDI (bidirectional) transceiver module and packaging thereof |
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| CN108011596A (en) * | 2017-12-28 | 2018-05-08 | 合肥安聚仪电科技有限公司 | The preposition amplification of photodiode and temperature control equipment and its system |
| CN109100838A (en) * | 2018-09-03 | 2018-12-28 | 武汉电信器件有限公司 | A kind of integral single fibre bilateral device of controllable temperature |
| WO2020220829A1 (en) * | 2019-04-29 | 2020-11-05 | 杭州芯耘光电科技有限公司 | Adjustable bidirectional transmission micro-optoelectronic system supporting online upgrade configuration |
| KR20210031730A (en) * | 2019-04-29 | 2021-03-22 | 항저우 신 윈 테크놀러지 컴퍼니 리미티드 | Adjustable two-way transmission micro optoelectronic system to support online upgrade settings |
| JP2022505163A (en) * | 2019-04-29 | 2022-01-14 | 杭州芯耘光電科技有限公司 | Adjustable bidirectional transmission microphotoelectric system that supports online upgrade settings |
| KR102418960B1 (en) * | 2019-04-29 | 2022-07-07 | 항저우 신 윈 테크놀러지 컴퍼니 리미티드 | Adjustable bidirectional transmission micro-optoelectronic system with online upgrade setup |
| JP7168266B2 (en) | 2019-04-29 | 2022-11-09 | 杭州芯耘光電科技有限公司 | Adjustable two-way transmission micro-photoelectric system, supporting online upgrade settings |
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| CN110176960A (en) * | 2019-06-27 | 2019-08-27 | 成都光创联科技有限公司 | A kind of novel single fiber bi-directional multichannel input optical module |
| CN110176960B (en) * | 2019-06-27 | 2023-11-17 | 成都光创联科技有限公司 | Novel single-fiber bidirectional multichannel input optical module |
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Application publication date: 20170804 |