CN201039188Y - Pluggable optical module and electricity/optical signal conversion device - Google Patents
Pluggable optical module and electricity/optical signal conversion device Download PDFInfo
- Publication number
- CN201039188Y CN201039188Y CN 200720143831 CN200720143831U CN201039188Y CN 201039188 Y CN201039188 Y CN 201039188Y CN 200720143831 CN200720143831 CN 200720143831 CN 200720143831 U CN200720143831 U CN 200720143831U CN 201039188 Y CN201039188 Y CN 201039188Y
- Authority
- CN
- China
- Prior art keywords
- circuit
- optical module
- laser
- pluggable optical
- disturbance
- 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
Classifications
-
- 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
- H04B10/50—Transmitters
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Semiconductor Lasers (AREA)
- Optical Communication System (AREA)
Abstract
The utility model discloses a pluggable and pulled light module and an electricity/light signal switching device, which relates to a signal switching device in an optical fiber communication system. The utility model is invented aiming at providing a pluggable and pulled light module and an electricity/light signal switching device which can be applied to the long distance transmission with high incident power. The pluggable and pulled light module comprises a laser, a drive circuit, a coupling circuit and a disturbance circuit. One end of the coupling circuit is connected with the disturbance circuit, and the other end is connected with the input end of the laser. The electricity/light signal switching device comprises a pluggable and pulled light module and a coupling circuit and a disturbance circuit arranged at the outer part of the pluggable and pulled light module; the pluggable and pulled light module comprises a laser and a drive circuit; one end of the coupling circuit is connected with the disturbance circuit, and the other end is connected on the pin of the pluggable and pulled light module. The utility model can increase the spectral width of the laser and improve the threshold value of SBS, which leads the pluggable and pulled light module and an electricity/light signal switching device having disturbance function to be applied to the long distance transmission with high incident power.
Description
Technical field
The utility model relates to the chromacoder in a kind of optical fiber telecommunications system, relates in particular to a kind of pluggable optical module and electricity/optical signal conversion apparatus.
Background technology
The continuous development of the communication technology, communication system has been proposed the demand of high density, low-power consumption, and pluggable optical modules such as a kind of novel optical module such as SFP (miniaturization pluggable optical module), XFP (10G miniaturization pluggable optical module), SFP+, XFP-E, QSFP, X40, XENPAK arise at the historic moment.Advantages such as these pluggable optical modules have miniaturization, and are low in energy consumption, as can to plug, and can provide I2C (integrated circuit is interconnected) bus interface as managing control interface etc.Wherein the I2C bus is the twin wire synchronous serial data transfer bus of Philips company definition, is used to connect micro-control unit and ancillary equipment thereof.
The SFP optical module is a kind of photoelectric conversion module of serial, and it can realize the electricity/light and the light/electricity conversion of signal.As shown in Figure 1, the functional circuit of SFP optical module mainly comprises three parts: control section, receiving unit and radiating portion.
Wherein, control section is a control unit, this control unit is realized the real-time diagnosis function of SFF-8472 regulation, communicate by I2C bus and user's plate, monitor the bias current of laser of the temperature of the temperature of receiving unit and supply power voltage, radiating portion and supply power voltage, radiating portion and the luminous power that transmits and receives in real time.Receiving unit comprises receiver (ROSA) and limiting amplifier (limitingamplifier), and includes a preamplifier (Fig. 1 is not shown).Receiving unit mainly is the light/electricity conversion that realizes signal, and its operation principle is: the faint high-speed optical signal that receiver will be received, and after opto-electronic conversion and preposition amplification, convert corresponding differential electric signal to and export to limiting amplifier, realize that secondary amplifies.Radiating portion comprises laser (TOSA) and drive circuit (Laser driver).Radiating portion mainly is the electricity/light conversion that realizes signal, and its operation principle is: the high-speed-differential signal of telecommunication of outside input is modulated on the laser by drive circuit, thereby realizes the electric light conversion of signal.The pin figure of SFP as shown in Figure 2, its pin definitions is as shown in Figure 3.
The inside schematic diagram of XFP as shown in Figure 4.The XFP optical module is a kind of photoelectric conversion module of serial, and it can realize the electricity/light and the light/electricity conversion of signal.The functional circuit of XFP optical module mainly comprises three parts: control section, receiving unit and radiating portion.
Wherein, control section mainly is a control unit, this control unit is realized the real-time diagnosis controlled function of XFP MSA regulation, communicate by I2C bus and user's plate, monitor the bias current of laser of the temperature of the temperature of receiving unit and supply power voltage, radiating portion and supply power voltage, radiating portion and the luminous power that transmits and receives in real time.Receiving unit comprises the signal conditioner (signal conditioner) of receiver (ROSA), band amplitude limit enlarging function.Receiver includes a preamplifier (not shown among Fig. 4).Receiving unit mainly is the light/electricity conversion that realizes signal, its operation principle is: after the faint high-speed optical signal process opto-electronic conversion and preposition amplification that receiver will be received, convert corresponding differential electric signal output to, after the signal conditioner of band amplitude limit enlarging function is received this differential electric signal, amplify shaping and output.Radiating portion comprises laser (TOSA), drive circuit (Laser driver) and signal conditioner (signalconditioner).Radiating portion mainly is that electricity/light of realizing signal is changed, and its operation principle is: after the high-speed-differential signal of telecommunication process signal conditioner shaping of outside input, be modulated on the laser by drive circuit, thereby electricity/light of realizing signal is changed.The pin figure of XFP as shown in Figure 5, its pin definitions is as shown in Figure 6.
In optical fiber communication, when the section of striding loss is big, must adopt image intensifer to improve the incident power of optical fiber, to satisfy the link loss budget requirement.When the incident power of optical fiber surpassed certain threshold value, the emergent power of optical fiber did not increase with the increase of incident power, descended so-called stimulated Brillouin scattering that Here it is (SBS) effect on the contrary.Because excited Brillouin backscattering effect, change the light signal of transmission forward into Brillouin scattering dorsad, cause the luminous power fluctuation of fl transmission, thus serious deterioration the transmission performance of system.Threshold value above-mentioned is the threshold value of SBS, and it is relevant with the characteristic of optical fiber and laser.The output spectrum of laser is wide more, and the threshold value of SBS is big more.
When laser is carried out pulse modulation, if the electric current that injects changes, the carrier concentration in the active area will change thereupon so, and then causes refractive index to change, make resonance frequency change, cause that finally the frequency spectrum of the photon that laser is launched is widened.Through theoretical and experiment showed, with the suitable broadening of emergent light frequency spectrum of optical module laser, just can improve the threshold value of SBS significantly, go under the fine situation SBS to the influence of system thereby be reduced in high power.Therefore, improving the SBS threshold value is very important.
For improving the SBS threshold value, method commonly used is: not influencing under the systematic function, providing a low frequency perturbation signal to optical module, increasing the spectrum width of laser, also is the effective spectrum width of light carrier, reduces the average power spectrum density, thereby improves the threshold value of SBS.
For the normal optical module, because it has reserved the disturbing signal input port on pin definitions, therefore, for this class optical module, disturbing signal can produce by the external disturbance circuit, and the disturbing signal input port that passes through to reserve is realized the scrambling work to optical module.
But for pluggable optical module, because pluggable optical module itself does not define scrambling, and from its pin figure as can be seen, do not reserve the input of disturbing signal in its pin definitions yet, therefore, this has just limited the application of pluggable optical module under long distance, high incident optical power situation.
The utility model content
The utility model provides a kind of pluggable optical module and the electricity/optical signal conversion apparatus that can use in high incident power, long Distance Transmission.
The utility model pluggable optical module is by the following technical solutions:
Pluggable optical module comprises laser, and the drive circuit with the input of described laser is connected also comprises: coupling circuit and disturbance circuit, and an end of described coupling circuit is connected with described disturbance circuit, and the other end is connected with the input of described laser;
The current perturbation that described disturbance circuit produces after described coupling circuit decay, outputs to the input of described laser; Simultaneously, the drive current that described drive circuit produces outputs to the input of described laser; Described laser is changed the electric current of input.
The utility model electricity/optical signal conversion apparatus is by the following technical solutions:
A kind of electricity/optical signal conversion apparatus comprises: pluggable optical module and the coupling circuit and the disturbance circuit that are arranged at the pluggable optical module outside; Described pluggable optical module comprises laser, and the drive circuit that is connected with the input of described laser; One end of described coupling circuit is connected with described disturbance circuit, and the other end is connected on the pin of described pluggable optical module;
The current perturbation that described disturbance circuit produces after described coupling circuit decay, outputs to the input of laser by the pin of described pluggable optical module; Simultaneously, the drive current that described drive circuit produces outputs to the input of described laser; Described laser becomes light signal with the current conversion of input.
The utility model combines pluggable optical module with the disturbance function, with the current perturbation of disturbance circuit generation, after the coupling circuit decay, with the drive current of drive circuit generation, output to the biasing pin of laser, the current signal of importing is carried out electricity/light conversion by laser.By being carried in the perturbation electric current on the laser drive current, bias point to laser carries out faint modulation, thereby increase the spectrum width of laser, improve the threshold value of SBS, improve the transmission performance of pluggable optical module, prolong the transmission range of pluggable optical module, the pluggable optical module with disturbance function can be used in high incident power, long Distance Transmission.
In addition, the utility model electricity/optical signal conversion apparatus, for the pluggable optical module that does not have the disturbance function, also can be by external disturbance circuit and the coupling circuit that is provided with, the pin through pluggable optical module is input to current perturbation in the pluggable optical module; This current perturbation outputs on the biasing pin of laser with the drive current that drive circuit produces.By being carried in the perturbation electric current on the laser drive current, the bias point of laser is carried out faint modulation, thereby increase the spectrum width of laser, improve the threshold value of SBS.Thereby, make the pluggable optical module that does not have the disturbance function in high incident power, long-distance transmissions, to use.
Description of drawings
Fig. 1 is the inside schematic diagram of SPF optical module in the prior art;
Fig. 2 is the pinouts of SPF optical module in the prior art;
Fig. 3 is the pinout figure of SPF optical module in the prior art;
Fig. 4 is the inside schematic diagram of XPF optical module in the prior art;
Fig. 5 is the pinouts of XPF optical module in the prior art;
Fig. 6 is the pinout figure of XPF optical module in the prior art;
Fig. 7 is a schematic diagram of the present utility model;
Fig. 8 is a coupling circuit of the present utility model by contact mutually application principle figure when forming of resistance and an electric capacity;
Fig. 9 is a coupling circuit of the present utility model by contact mutually Another Application schematic diagram when forming of resistance and an electric capacity;
Figure 10 is the application principle figure of disturbance circuit of the present utility model;
Figure 11 is the schematic diagram of the utility model when adopting the I2C bus to control;
Figure 12 is the schematic diagram of the utility model electricity/optical signal conversion apparatus.
Embodiment
For the advantage that makes technical solutions of the utility model is clearer, the utility model pluggable optical module is described in further detail below in conjunction with the drawings and specific embodiments.
As shown in Figure 7, the utility model pluggable optical module comprises: laser, and the drive circuit with the input of laser is connected also comprises: coupling circuit and disturbance circuit, one end of coupling circuit is connected with the disturbance circuit, and the other end is connected with the input of laser; The current perturbation that the disturbance circuit produces after the coupling circuit decay, with the drive current that drive circuit produces, outputs to the input of laser, also is on the biasing pin of laser, by laser the electric current of importing is carried out electricity/light conversion.By being carried in the perturbation electric current on the pluggable optical module laser drive current, bias point to laser carries out faint modulation, change the carrier concentration of laser inside, thereby increase the spectrum width of laser, improve the threshold value of SBS, improve the transmission performance of optical module, make under its situation that can be applied in long distance, high incident power.
For coupling circuit, the utility model does not limit its way of realization.Its a kind of way of realization can be the resistance of a string company and the resaistance-capacity coupling circuit of electric capacity composition.The resaistance-capacity coupling circuit that resistance and electric capacity are formed has constituted an attenuation network, and can prevent the interference of drive current to current perturbation.As shown in Figure 8, it also can be a plurality of that this resistance and electric capacity can be one, and this resistance to can be an adjustable resistance also can be fixed resister.When this resistance is adjustable resistance, in the process of this pluggable optical module is set, can adjust the amplitude of current perturbation by the resistance size of adjusting this adjustable resistance.The input of this adjustable resistance is connected with the disturbance circuit, and output is connected with an end of electric capacity, and the other end utmost point of electric capacity is connected to the biasing pin of laser.In addition, as shown in Figure 9, the form of this attenuation network also can be: an end of electric capacity is connected with the disturbance circuit, and the other end of electric capacity is connected with an end of adjustable resistance, and the other end of adjustable resistance is connected to the biasing pin of laser.
The current perturbation signal that the disturbance circuit produces is through behind this attenuation network, after becoming a current perturbation signal with suitable amplitude and frequency, with the drive current that drive circuit produces, be input to the biasing pin of laser, make the threshold value of SBS reach optimal value.Therefore, having coupling circuit, also is the pluggable optical module of attenuation network, can better control the current perturbation on the bias pin that is input to laser, thereby can better adjust the spectrum width of laser, improves the threshold value of SBS.
Way of realization the utility model of described disturbance circuit does not limit equally.The way of realization of disturbance circuit comprises a clock generating circuit as shown in figure 10, and the digital divider circuit that is connected with the clock generating circuit output, and the output of digital divider circuit is connected with coupling circuit.So, digital divider circuit carries out frequency division with the clock signal of clock generating circuit, produces current perturbation.This current perturbation with the drive current that drive circuit produces, outputs to the biasing pin of laser behind coupling circuit.
In the utility model, clock generating circuit can utilize the clock source of pluggable optical module itself, and digital divider circuit can be realized with digital frequency divider.
The disturbance circuit also can be realized by the mode of software in addition.For example can pass through coding, make the current perturbation that certain I/O mouth output of control unit of pluggable optical module inside has certain frequency and amplitude.This current perturbation is behind coupling circuit, and the drive current with drive circuit produces outputs on the biasing pin of laser.
In addition, because the characterisitic parameter difference of the laser of different vendor, so the frequency of its corresponding best current perturbation is also different with amplitude.When producing optical module, can be according to the SBS threshold value of the laser of different pluggable optical modules, calculate the optimum range value and the frequency values of current perturbation, be stored in the deposit unit of pluggable optical module inside, therefore when this pluggable optical module work, the control unit of pluggable optical module inside can call this optimum range value and frequency values, so that the disturbance circuit is controlled.
As shown in figure 11, the utility model enables control by the I2C bus to the disturbance circuit.Because pluggable optical module is inserted on the veneer, veneer is provided with control units such as CPU.Therefore, the control signal that enables that control units such as CPU send sends to the control unit that can insert light withdrawing pattern piece inside by the I2C bus, enables control signal by the control unit of pluggable optical module inside according to this, and the disturbance circuit is enabled control.
In addition, the utility model also can be realized the adjusting of disturbing signal frequency and amplitude by the I2C bus.When the user used pluggable optical module described in the utility model, the user can be provided with the amplitude and the frequency values of current perturbation by the CPU that is arranged on the veneer, and is sent to the control unit of pluggable optical module inside by the I2C bus by CPU; The best current perturbation of this control unit control disturbance circuit output.After the scalable of having utilized I2C bus realization disturbing signal frequency and amplitude, can better adjust the SBS threshold value, make it reach optimum value, promote the transmission performance of optical module.
At some in particular cases, if will apply the disturbance function to the pluggable optical module that does not have the disturbance function, for this class pluggable optical module of SFP,, therefore can be used for importing the external disturbance signal respectively owing to its 6 (mode-definition 0), 7 (rate selection) pin do not use usually.But for the pluggable optical module that this class of XFP does not have the disturbance function, because the setting of itself pin and, therefore, can not realize scrambling by this mode of external disturbance signal to this generic module of XFP to the definition restriction of pin.
As shown in figure 12, the utility model electricity/optical signal conversion apparatus comprises: miniaturization pluggable optical module and the coupling circuit and the disturbance circuit that are arranged at described miniaturization pluggable optical module outside; Described miniaturization pluggable optical module comprises laser, and the drive circuit that is connected with the input of described laser; One end of described coupling circuit is connected with described disturbance circuit, the other end be connected on 6 or 7 pins of described miniaturization pluggable optical module.The current perturbation that described disturbance circuit produces, after described coupling circuit decay, 6 or 7 pins by described miniaturization pluggable optical module are input to described miniaturization pluggable optical module, and the drive current that produces with described drive circuit, output to the input of described laser, described laser carries out electricity/light conversion with the electric current of input.
Described disturbance circuit comprises clock generating circuit, and the digital divider circuit that is connected with the output of described clock generating circuit; The output of described digital divider circuit is connected on 6 or 7 pins of described miniaturization pluggable optical module.
Described digital divider circuit carries out frequency division with the clock signal of described clock generating circuit, produces current perturbation.Described digital divider circuit is digital frequency divider or FPGA (field programmable gate array).
In sum, the utility model combines pluggable optical module with the disturbance function, and the current perturbation that the disturbance circuit is produced with the drive current that drive circuit produces, outputs to the biasing pin of laser behind coupling circuit; By being carried in the perturbation electric current on the laser drive current, bias point to laser carries out faint modulation, thereby increase the spectrum width of laser, improve the threshold value of SBS, improve the transmission performance of optical module, pluggable optical module with disturbance function can be used in high incident power, long Distance Transmission, and the market competitiveness is stronger.
In addition, because the utility model utilizes the I2C bus that the disturbance circuit is enabled control, and regulates the amplitude and the frequency size of disturbing signal, so this pluggable optical module is applicable to different lasers.After the scalable of utilizing I2C bus realization disturbing signal frequency and amplitude, can better improve the SBS threshold value, make it reach optimum value, promote the transmission performance of optical module.
Simultaneously, the utility model can utilize the scrambling of pluggable optical module own resources realization to laser, and therefore, the utility model can reduce production costs.
In addition, the utility model electricity/optical signal conversion apparatus is also by external disturbance circuit and coupling circuit, the pluggable optical module that does not have the disturbance function is applied the disturbance function, this just makes that the range of application of the pluggable optical module that do not have the disturbance function is more wide, and can use in high incident power, long-distance transmissions.
Certainly; the utility model also can have other various embodiments; under the situation that does not deviate from the utility model spirit and essence thereof; those skilled in the art work as can make various corresponding changes and distortion according to the utility model, but these corresponding changes and distortion all should belong to the protection range of the appended claim of the utility model.
Claims (9)
1. pluggable optical module, comprise laser,, it is characterized in that also comprising: coupling circuit and disturbance circuit with the drive circuit that the input of described laser is connected, one end of described coupling circuit is connected with described disturbance circuit, and the other end is connected with the input of described laser;
The current perturbation that described disturbance circuit produces after described coupling circuit decay, outputs to the input of described laser; Simultaneously, the drive current that described drive circuit produces outputs to the input of described laser; Described laser becomes light signal with the current conversion of input.
2. pluggable optical module according to claim 1 is characterized in that: described coupling circuit is the series circuit that resistance and electric capacity are formed.
3. pluggable optical module according to claim 1 is characterized in that: described disturbance circuit comprises clock generating circuit, and the digital divider circuit that is connected with the output of described clock generating circuit; The output of described digital divider circuit is connected to coupling circuit;
Described digital divider circuit carries out frequency division with the clock signal of described clock generating circuit, produces current perturbation.
4. pluggable optical module according to claim 3 is characterized in that: described digital divider circuit is a digital frequency divider.
5. pluggable optical module according to claim 4 is characterized in that: the input of described clock generating circuit is connected with the I2C bus.
6. an electricity/optical signal conversion apparatus is characterized in that comprising: pluggable optical module and the coupling circuit and the disturbance circuit that are arranged at the pluggable optical module outside; Described pluggable optical module comprises laser, and the drive circuit that is connected with the input of described laser; One end of described coupling circuit is connected with described disturbance circuit, and the other end is connected on the pin of described pluggable optical module;
The current perturbation that described disturbance circuit produces after described coupling circuit decay, outputs to the input of laser by the pin of described pluggable optical module; Simultaneously, the drive current that described drive circuit produces outputs to the input of described laser; Described laser becomes light signal with the current conversion of input.
7. electricity/optical signal conversion apparatus according to claim 6, it is characterized in that: described pluggable optical module is the miniaturization pluggable optical module, and the pin of described pluggable optical module is mode-definition 0 pin or the rate selection pin of miniaturization pluggable optical module.
8. electricity/optical signal conversion apparatus according to claim 7 is characterized in that: described disturbance circuit comprises clock generating circuit, and the digital divider circuit that is connected with the output of described clock generating circuit; The output of described digital divider circuit is connected on mode-definition 0 pin or rate selection pin of described miniaturization pluggable optical module;
Described digital divider circuit carries out frequency division with the clock signal of described clock generating circuit, produces current perturbation.
9. electricity/optical signal conversion apparatus according to claim 8 is characterized in that: described digital divider circuit is digital frequency divider or field programmable gate array.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200720143831 CN201039188Y (en) | 2007-04-13 | 2007-04-13 | Pluggable optical module and electricity/optical signal conversion device |
| PCT/CN2008/070398 WO2008125033A1 (en) | 2007-04-13 | 2008-03-04 | A pluggable optical module and an electronic/ optical signal conversion apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200720143831 CN201039188Y (en) | 2007-04-13 | 2007-04-13 | Pluggable optical module and electricity/optical signal conversion device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201039188Y true CN201039188Y (en) | 2008-03-19 |
Family
ID=39211716
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200720143831 Expired - Fee Related CN201039188Y (en) | 2007-04-13 | 2007-04-13 | Pluggable optical module and electricity/optical signal conversion device |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN201039188Y (en) |
| WO (1) | WO2008125033A1 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102377078A (en) * | 2010-08-16 | 2012-03-14 | 富士康(昆山)电脑接插件有限公司 | Connector |
| CN104702337A (en) * | 2015-02-15 | 2015-06-10 | 无锡市中新光通信技术有限公司 | 2.5 Gbps-speed long-span optical communication transmission device |
| CN108701925A (en) * | 2015-12-17 | 2018-10-23 | 菲尼萨公司 | High speed data connector |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111555806B (en) * | 2015-03-20 | 2023-07-07 | 日本电气株式会社 | Pluggable optical module, communication system and communication method of pluggable optical module |
| CN113532808B (en) * | 2021-07-06 | 2023-11-24 | 南京法艾博光电科技有限公司 | Multichannel monitoring method and system based on vibration-sensitive optical fiber sensing technology |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6331908B1 (en) * | 1999-11-22 | 2001-12-18 | Lucent Technologies Inc. | Optical system for reduced SBS |
| CN1316767C (en) * | 2003-01-03 | 2007-05-16 | 华为技术有限公司 | Method for reducing Brillonin scattering effect influence excited in optical transmission system |
| US20060188267A1 (en) * | 2005-02-23 | 2006-08-24 | Pavle Gavrilovic | System and method for suppression of stimulated Brillouin scattering in optical transmission communications |
-
2007
- 2007-04-13 CN CN 200720143831 patent/CN201039188Y/en not_active Expired - Fee Related
-
2008
- 2008-03-04 WO PCT/CN2008/070398 patent/WO2008125033A1/en active Application Filing
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102377078A (en) * | 2010-08-16 | 2012-03-14 | 富士康(昆山)电脑接插件有限公司 | Connector |
| CN102377078B (en) * | 2010-08-16 | 2015-05-06 | 富士康(昆山)电脑接插件有限公司 | Connector |
| CN104702337A (en) * | 2015-02-15 | 2015-06-10 | 无锡市中新光通信技术有限公司 | 2.5 Gbps-speed long-span optical communication transmission device |
| CN108701925A (en) * | 2015-12-17 | 2018-10-23 | 菲尼萨公司 | High speed data connector |
| CN108701925B (en) * | 2015-12-17 | 2020-04-14 | 菲尼萨公司 | High speed data connector |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2008125033A1 (en) | 2008-10-23 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Mahgerefteh et al. | Techno-economic comparison of silicon photonics and multimode VCSELs | |
| US8526810B2 (en) | Eye safety and interoperability of active cable devices | |
| CN102213806B (en) | Temperature control type 10G 80km SFP+ (enhanced 8.5 and 10 gigabit small form factor pluggable module) optical module with low power consumption | |
| CN201039188Y (en) | Pluggable optical module and electricity/optical signal conversion device | |
| CN104348553A (en) | Cfp optical transceiver module | |
| CN101374359B (en) | Light transmit-receive integrated module for myriad million light line terminal | |
| CN102710334A (en) | 40G CFP optical module for long-distance transmission | |
| CN105634611A (en) | Optical module and signal processing method | |
| CN102231650A (en) | 10G SFP+LR optical module | |
| CN204761441U (en) | Overlength span light transmission system | |
| CN102347797A (en) | Multifunctional optical signal processing system | |
| WO2017118153A1 (en) | Long-distance passive optical network system based on chirp grating and dispersion compensation method | |
| CN202512273U (en) | 40G/100G CFP pluggable photoelectric transceiver module | |
| CN203563070U (en) | Cfp optical transceiver module | |
| CN204859187U (en) | Take 100G light transceiver module of forward error correction function based on directly modulated laser instrument | |
| CN202617126U (en) | 10G SFP+ (enhanced 8.5 and 10Gigabit small form factor pluggable module) LR optical module | |
| Xu et al. | High power external pluggable laser bank with simultaneous single mode optical & electrical connection | |
| CN101750681A (en) | 1550/1550 nm single wavelength single-fiber bidirectional component | |
| CN105187128A (en) | 100G optical transceiver module with forward error correction function and based on direct modulation laser | |
| CN105577285A (en) | Optical module | |
| Chen et al. | Hybrid integrated DWDM silicon photonic transceiver with self-adaptive CMOS circuits | |
| CN105009487A (en) | Optical transmitter and optical transmitting method | |
| CN104883223A (en) | Double-fiber duplexing structure active optical cable communication architecture | |
| CN204761439U (en) | Active fiber optic cable communications of duplexing structure of two fibres framework | |
| CN201360259Y (en) | 1550/1550nm single-wavelength single-fiber bidirectional component |
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: 20080319 Termination date: 20130413 |