CN201413415Y - DWDM SFD with controllable wavelength - Google Patents
DWDM SFD with controllable wavelength Download PDFInfo
- Publication number
- CN201413415Y CN201413415Y CN2009201318957U CN200920131895U CN201413415Y CN 201413415 Y CN201413415 Y CN 201413415Y CN 2009201318957 U CN2009201318957 U CN 2009201318957U CN 200920131895 U CN200920131895 U CN 200920131895U CN 201413415 Y CN201413415 Y CN 201413415Y
- Authority
- CN
- China
- Prior art keywords
- laser
- circuit
- single chip
- control circuit
- temperature control
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Abstract
A DWDM SFD with controllable wavelength comprises a transmitting component, a receiving component and a PCB plate, wherein the PCB plate is integrated with a laser driving circuit, a laser receiving and amplifying circuit, a laser temperature control circuit, a single chip microcomputer control circuit and a power supply management circuit, wherein the laser driving circuit and the laser receivingand amplifying circuit are connected, and the single chip microcomputer control circuit is connected with and controls a control laser driving circuit, the laser receiving and amplifying circuit andthe laser temperature control circuit. The laser temperature control circuit realizes wavelength control, and the whole circuit is integrated in a PCB with extremely high installation density, is matched with the transmitting component and the receiving component, and realizes DWDM feature application in a small-sized heat push-pull fiber module. A single chip microcomputer controls DAC output, can freely adjust the output feature of a laser, simplifies the debugging process, shortens the debugging process and time, and lowers the manufacture cost. Bias current or input light power of the laser enters the single chip microcomputer for operation to obtain the precise value, and the precision and the range are higher and wider.
Description
Technical field
The utility model relates to the transceiver module technical field in the optical communication technique, especially a DWDM SFP MSA agreement, the controlled DWDM SFP of wavelength of meeting.
Background technology
Consumer's needs and the competitive pressure between the enterprise force operators must be provided at both economical multiple service on construction and the operation cost on the one hand, and they also will dispose these business as much as possible on the existing network basis of having buried underground on the other hand.Therefore DWDM (Dense Wave length Division Multiplexing) technology has appearred, transmit tens road light signals by wavelength-division multiplex simultaneously in an optical fiber, DWDM optical module (comprising DWDMSFP) and system equipment provide the feasible solution that satisfies these demands simultaneously for these operators just.
The utility model content
The utility model corrects at above-mentioned problems, makes properties of product significantly improve, and work efficiency promotes greatly.
Concrete technical scheme is:
The DWDM SFP that a kind of wavelength is controlled, it comprises emitting module, receiving unit, pcb board; Be integrated with drive circuit for laser, laser pick-off amplifying circuit, laser temperature control circuit, single chip machine controlling circuit, electric power management circuit on the described pcb board; Drive circuit for laser is connected with the laser pick-off amplifying circuit, and single chip machine controlling circuit connects control drive circuit for laser, laser pick-off amplifying circuit, laser temperature control circuit.The laser temperature control circuit of accurate compactness is realized wavelength control, and entire circuit is incorporated in about 4 square centimeters the PCB with high packing density, cooperates emitting module and receiving unit, realizes the application of DWDM characteristic in low profile thermal plug optic module.Debug process is simplified in Single-chip Controlling DAC output, but free adjustment output characteristic of laser, shortens debugging flow process and time, reduces manufacturing cost.Laser bias current/Output optical power enters single-chip microcomputer and carries out computing, draws exact value, and precision and scope are higher, wideer.
Laser pick-off amplifying circuit on the described pcb board comprises avalanche diode, trsanscondutance amplifier and limiting amplifier, and single chip machine controlling circuit connects control avalanche diode, trsanscondutance amplifier and limiting amplifier respectively.Received optical power is monitored and is carried out intelligent computing with single-chip microcomputer, and precision and scope are higher, wideer.
Laser temperature control circuit on the described pcb board comprises precision temperature supervisory circuit, laser temperature control circuit, and single chip machine controlling circuit connects control precision temperature supervisory circuit and laser temperature control circuit respectively.Realize laser instrument life-cycle high precision wavelength control.
Come instead of part hardware to realize launching luminous power based on single-chip microcomputer with software, received optical power, module working temperature, bias current, the monitoring of operating voltage.
The controlled DWDM SFP of described a kind of wavelength follows DWDM SFP MSA protocol specification.
The beneficial effects of the utility model:
1. be different from common SFP module, DWDM SFP module can seamless combination in the DWDM optical transmission system, channel wavelength compare at interval common SFP and CWDM Coarse Wavelength Division Multiplexing to when young 20 times, can in an optical fiber, transmit 40 multichannels (100Ghz is at interval) or 80 multiple signals (50Ghz is at interval) simultaneously.
2. the circuit layout of complexity and very high-density is on a small size PCB, and colleague's product uses 2 PCB stacked to realize compromise the installation.
3. use singlechip technology to realize DWDM SFP MSA agreement, not only single-chip microcomputer I2C speed can more can be completely achieved DWDM SFP agreement up to 800KHz, as calibrating compatibility by inside/outside, can freely be selected by system.More can save cost, increase the production consistance, increase and make yield.Realize comprehensive laser instrument emission luminous power, received optical power, the module working temperature, bias current, the monitoring of operating voltage etc., monitoring accuracy is higher, and scope is wideer.
Description of drawings
Fig. 1 is an embodiment circuit block diagram of the present utility model.
Embodiment
Describe the utility model by the following examples, should be noted that, cited embodiment should not understand the restriction to utility model.
As shown in the figure: the DWDM SFP that a kind of wavelength is controlled, it comprises emitting module, receiving unit, pcb board; Be integrated with drive circuit for laser, laser pick-off amplifying circuit, laser temperature control circuit, single chip machine controlling circuit, electric power management circuit on the described pcb board; Drive circuit for laser is connected with the laser pick-off amplifying circuit, and single chip machine controlling circuit connects control drive circuit for laser, laser pick-off amplifying circuit, laser temperature control circuit.The laser temperature control circuit of accurate compactness is realized wavelength control, and entire circuit is incorporated in about 4 square centimeters the PCB with high packing density, cooperates emitting module and receiving unit, realizes the application of DWDM characteristic in low profile thermal plug optic module.Debug process is simplified in Single-chip Controlling DAC output, but free adjustment output characteristic of laser, shortens debugging flow process and time, reduces manufacturing cost.Laser bias current/Output optical power enters single-chip microcomputer and carries out computing, draws exact value, and precision and scope are higher, wideer.
Laser pick-off amplifying circuit on the pcb board comprises avalanche diode, trsanscondutance amplifier and limiting amplifier, and single chip machine controlling circuit connects control avalanche diode, trsanscondutance amplifier and limiting amplifier respectively.Received optical power is monitored and is carried out intelligent computing with single-chip microcomputer, and precision and scope are higher, wideer.
Laser temperature control circuit on the pcb board comprises precision temperature supervisory circuit, laser temperature control circuit, and single chip machine controlling circuit connects control precision temperature supervisory circuit and laser temperature control circuit respectively.Realize laser instrument life-cycle high precision wavelength control.
Come instead of part hardware to realize launching luminous power based on single-chip microcomputer with software, received optical power, module working temperature, bias current, the monitoring of operating voltage.
The controlled DWDM SFP of described a kind of wavelength follows DWDM SFP MSA protocol specification.
Obviously; foregoing is just in order to illustrate characteristics of the present utility model; and be not to restriction of the present utility model, the variation that the those of ordinary skill in relevant technologies field is made in the corresponding techniques field according to the utility model should belong to protection category of the present utility model.
Claims (3)
1, the controlled DWDM SFP of a kind of wavelength, it comprises emitting module, receiving unit, pcb board; It is characterized in that: be integrated with drive circuit for laser, laser pick-off amplifying circuit, laser temperature control circuit, single chip machine controlling circuit, electric power management circuit on the described pcb board; Drive circuit for laser is connected with the laser pick-off amplifying circuit, and single chip machine controlling circuit connects control drive circuit for laser, laser pick-off amplifying circuit, laser temperature control circuit.
2, the controlled DWDM SFP of a kind of wavelength according to claim 1, its feature also is: the laser pick-off amplifying circuit on the described pcb board comprises avalanche diode, trsanscondutance amplifier and limiting amplifier, and single chip machine controlling circuit connects control avalanche diode, trsanscondutance amplifier and limiting amplifier respectively.
3, the controlled DWDM SFP of a kind of wavelength according to claim 1, its feature also is: the laser temperature control circuit on the described pcb board comprises precision temperature supervisory circuit, laser temperature control circuit, and single chip machine controlling circuit connects control precision temperature supervisory circuit and laser temperature control circuit respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201318957U CN201413415Y (en) | 2009-05-19 | 2009-05-19 | DWDM SFD with controllable wavelength |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201318957U CN201413415Y (en) | 2009-05-19 | 2009-05-19 | DWDM SFD with controllable wavelength |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201413415Y true CN201413415Y (en) | 2010-02-24 |
Family
ID=41715298
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201318957U Expired - Fee Related CN201413415Y (en) | 2009-05-19 | 2009-05-19 | DWDM SFD with controllable wavelength |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201413415Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101814947A (en) * | 2010-03-19 | 2010-08-25 | 苏州旭创科技有限公司 | Novel method for designing 6G 2km SFP optical module |
| CN102014315A (en) * | 2010-09-15 | 2011-04-13 | 索尔思光电（成都）有限公司 | Rapid wavelength stabilization method for optical dense wave division multiplexing |
| CN102298401A (en) * | 2011-05-23 | 2011-12-28 | 成都新易盛通信技术有限公司 | Long-distance SFP+ optical module |
| CN102523540A (en) * | 2011-12-31 | 2012-06-27 | 青岛海信宽带多媒体技术有限公司 | Optical module and passive optical network with same |
| WO2013143055A1 (en) * | 2012-03-26 | 2013-10-03 | 武汉华工正源光子技术有限公司 | Laser transceiver device, manufacturing method therefor, and method for enlarging temperature operating range thereof |
| CN111901036A (en) * | 2020-08-13 | 2020-11-06 | 中达安(福建)科技有限公司 | Space optical communication device based on laser |
-
2009
- 2009-05-19 CN CN2009201318957U patent/CN201413415Y/en not_active Expired - Fee Related
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101814947A (en) * | 2010-03-19 | 2010-08-25 | 苏州旭创科技有限公司 | Novel method for designing 6G 2km SFP optical module |
| CN102014315A (en) * | 2010-09-15 | 2011-04-13 | 索尔思光电（成都）有限公司 | Rapid wavelength stabilization method for optical dense wave division multiplexing |
| US8606111B2 (en) | 2010-09-15 | 2013-12-10 | Source Photonics, Inc. | Method, circuitry and apparatus for outputting a stable optical signal in a dense wavelength division multiplexing device during fast changes of operating conditions |
| CN102014315B (en) * | 2010-09-15 | 2014-03-12 | 索尔思光电（成都）有限公司 | Rapid wavelength stabilization method for optical dense wave division multiplexing |
| CN102298401A (en) * | 2011-05-23 | 2011-12-28 | 成都新易盛通信技术有限公司 | Long-distance SFP+ optical module |
| CN102298401B (en) * | 2011-05-23 | 2013-11-06 | 成都新易盛通信技术有限公司 | Long-distance SFP+ optical module |
| CN102523540A (en) * | 2011-12-31 | 2012-06-27 | 青岛海信宽带多媒体技术有限公司 | Optical module and passive optical network with same |
| CN102523540B (en) * | 2011-12-31 | 2015-03-25 | 青岛海信宽带多媒体技术有限公司 | Optical module and passive optical network with same |
| CN104796800A (en) * | 2011-12-31 | 2015-07-22 | 青岛海信宽带多媒体技术有限公司 | Optical module and passive optical network with same |
| CN104796800B (en) * | 2011-12-31 | 2018-06-08 | 青岛海信宽带多媒体技术有限公司 | Optical module and the passive optical network with the optical module |
| WO2013143055A1 (en) * | 2012-03-26 | 2013-10-03 | 武汉华工正源光子技术有限公司 | Laser transceiver device, manufacturing method therefor, and method for enlarging temperature operating range thereof |
| CN111901036A (en) * | 2020-08-13 | 2020-11-06 | 中达安(福建)科技有限公司 | Space optical communication device based on laser |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201413415Y (en) | DWDM SFD with controllable wavelength | |
| CN102932066B (en) | A kind of optical module | |
| CN102209281B (en) | 10G EPON OLT (Ethernet passive optical network optical line terminal) single-fiber three-dimensional optical module | |
| CN105223663B (en) | A kind of adjustable BOSA devices of bi-directional wavelength | |
| CN102752055B (en) | EPON and optical module for optical network unit thereof | |
| CN104601244A (en) | 400 Gbps hot-plug high-speed optical transceiver module | |
| CN102523540B (en) | Optical module and passive optical network with same | |
| CN102298401B (en) | Long-distance SFP+ optical module | |
| CN102545007B (en) | Tunable laser and method for locking and monitoring wavelength of tunable laser | |
| CN102710334A (en) | 40G CFP optical module for long-distance transmission | |
| CN102394696B (en) | Method for monitoring burst emitting light power of optical module and optical module | |
| CN106559139A (en) | A kind of optical module | |
| CN202512273U (en) | 40G/100G CFP pluggable photoelectric transceiver module | |
| CN203563070U (en) | Cfp optical transceiver module | |
| CN109617616B (en) | Tunable burst optical module and implementation method thereof | |
| CN104253655A (en) | Adjustable-wavelength emitter for TWDM-PON and light network path unit | |
| CN109361464A (en) | A kind of technical grade 25G High Speeding Optical Transmitter-receiver Circuit | |
| CN202872790U (en) | System using mode multiplexing of multimode optical fiber to simultaneously transmit a plurality of signals | |
| CN102752676B (en) | EPON and optical module for optical network unit thereof | |
| CN208572096U (en) | It is double to receive double hair equipment and Transmission system | |
| CN102752054A (en) | Optical module of optical network unit | |
| CN206364804U (en) | A kind of colourless dense wave division multipurpose access network optical line terminal optical module | |
| CN103326790A (en) | Optical transmitter capable of automatically controlling power | |
| CN202738051U (en) | Passive optical network and optical network unit optical module thereof | |
| CN103684615B (en) | A kind of for fiber-to-the-home reception optical tunable transponder |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100224 Termination date: 20140519 |