CN105652379A - Optical module optical power regulation method and device - Google Patents
Optical module optical power regulation method and device Download PDFInfo
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- CN105652379A CN105652379A CN201610120364.2A CN201610120364A CN105652379A CN 105652379 A CN105652379 A CN 105652379A CN 201610120364 A CN201610120364 A CN 201610120364A CN 105652379 A CN105652379 A CN 105652379A
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/26—Optical coupling means
- G02B6/28—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals
- G02B6/293—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means
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Abstract
The embodiment of the invention discloses an optical module optical power regulation method and device. In the method and the device, after it is determined that the Mth temperature sampling value of a filter is within the preset range corresponding to the target wavelength, and the temperature output value is regulated according to the comparison result of the optical power sampling value corresponding to the Mth temperature sampling value and the optical power sampling value corresponding to the (M-1)th temperature sampling value and the comparison result of the temperature output value corresponding to the Mth temperature sampling value and the temperature output value corresponding to the (M-1)th temperature sampling value. In the method and the device, the temperature output value is regulated in a closed-loop regulation mode according to the comparison result of the optical power sampling values and the comparison result of the temperature output values, and therefore precise optical power regulation is achieved, and the optical power can be maximized; the closed-loop regulation process is not executed until the temperature sampling values are within the preset range, the time required for the whole regulation process is shortened, and the regulation efficiency is improved.
Description
Technical field
The present invention relates to technical field of optical fiber communication, relate in particular to a kind of optical module regulating optical power method andDevice.
Background technology
Along with the development of network technology, as the optical fiber access technology of future generation of GPON, based on time-division and rippleDivide multiplexing wireless fiber optic network (TWDM-PON) to become the main flow of the communications industry. At TWDM-PONIn technology, every optical fiber can provide has four or the optical signal of multi-wavelength more, the wavelength spacing of optical signalFor 100GHZ or 50GHZ, and each wavelength can provide 2.5Gbps or 10Gbps is symmetrical or asymmetric speedThe transmittability of rate. Therefore, when the optical signal with multiple different wave lengths during as communication wavelengths, is neededOptical filter in the ONT Optical Network Terminal of TWDM-PON can by the optical signal of different wave length be tuned to correctWavelength. But, switch in (be wavelength switch) process at wavelength, probably can be because the deviation regulating,Fail accurately to aim at the central point that receives wavelength, cause the luminous power that receives abnormal.
The problem that prior art exists is: in wavelength handoff procedure, the adjusting of luminous power exists deviation, fromAnd make the luminous power that receives abnormal.
Summary of the invention
The embodiment of the present invention provides a kind of method and device of optical module regulating optical power, solves now in order to realizeHaving technology in wavelength handoff procedure, there is deviation in the adjusting of luminous power, makes the luminous power that receives abnormalTechnical problem.
The method of a kind of optical module regulating optical power that the embodiment of the present invention provides, comprising:
The M time temperature sampling value determining filter plate in preset range corresponding to target wavelength after, obtainThe temperature output valve that M temperature sampling value is corresponding and luminous power sampled value, the M-1 time temperature sampling value correspondenceTemperature output valve and luminous power sampled value;
Corresponding with the M-1 time temperature sampling value according to the luminous power sampled value that the M time temperature sampling value is correspondingThe comparative result of luminous power sampled value, and the M time corresponding temperature output valve and M-1 of temperature sampling valueThe comparative result of temperature output valve corresponding to inferior temperature sampling value, regulates temperature output valve.
The device of a kind of optical module regulating optical power that the embodiment of the present invention provides, this device comprises:
Acquisition module, for determining that the M time temperature sampling value of filter plate is at default model corresponding to target wavelengthEnclose interior after, obtain temperature output valve corresponding to the M time temperature sampling value and luminous power sampled value, the M-1 timeThe temperature output valve that temperature sampling value is corresponding and luminous power sampled value;
Adjustment module, for according to luminous power sampled value corresponding to the M time temperature sampling value and the M-1 time temperatureSpend the comparative result of luminous power sampled value corresponding to sampled value, and the M time temperature corresponding to temperature sampling valueThe comparative result of the output valve temperature output valve corresponding with the M-1 time temperature sampling value, regulates temperature output valve.
In the above embodiment of the present invention, determine that the M time temperature sampling value of filter plate is in target wavelength correspondencePreset range in after, obtain temperature output valve corresponding to the M time temperature sampling value and luminous power sampled value,The M-1 time corresponding temperature output valve and luminous power sampled value of temperature sampling value; According to the M time temperature samplingBe worth the comparative result of the corresponding luminous power sampled value luminous power sampled value corresponding with the M-1 time temperature sampling value,And temperature output valve corresponding to the M time temperature sampling value temperature corresponding with the M-1 time temperature sampling value is defeatedGo out the comparative result of value, regulate temperature output valve. In the embodiment of the present invention, according to the M time temperature sampling valueThe comparative result of the corresponding luminous power sampled value luminous power sampled value corresponding with the M-1 time temperature sampling value withAnd temperature output valve corresponding to the M time temperature sampling value temperature output corresponding with the M-1 time temperature sampling valueThe comparative result of value, adopts the mode of closed-loop adjustment to carry out fine adjustment to temperature output valve, thus realize rightThe fine adjustment of luminous power, makes luminous power reach maximum, avoids the problem that luminous power is abnormal; And, thisIn bright embodiment, be in the time determining that the temperature sampling value of filter plate is in preset range corresponding to target wavelength, holdThe above-mentioned closed-loop adjustment process of row, thus the required time of whole adjustment process shortened as far as possible, improve the effect regulatingRate.
Brief description of the drawings
In order to be illustrated more clearly in the technical scheme in the embodiment of the present invention, institute in describing embodiment belowNeed the accompanying drawing using to briefly introduce, apparently, the accompanying drawing in the following describes is only of the present inventionSome embodiment, for those of ordinary skill in the art, in the prerequisite of not paying creative workUnder, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 shows for the corresponding flow process of method of a kind of optical module regulating optical power that the embodiment of the present invention providesIntention;
The idiographic flow schematic diagram of a kind of optical module regulating optical power that Fig. 2 provides for the embodiment of the present invention;
The structural representation of the device of a kind of optical module regulating optical power that Fig. 3 provides for the embodiment of the present invention.
Detailed description of the invention
In order to make the object, technical solutions and advantages of the present invention clearer, below in conjunction with accompanying drawing to thisBright being described in further detail, obviously, described embodiment is only the present invention's part embodiment,Instead of whole embodiment. Based on the embodiment in the present invention, those of ordinary skill in the art are not doingGo out all other embodiment that obtain under creative work prerequisite, all belong to the scope of protection of the invention.
In the adjustable receive-transmit system of DWDM wavelength, receiving is all a wavelength substantially, does not have wavelengthThe problem of switching, therefore, in existing technical scheme, there is no in the process of switching at reception wavelength, to obtainingGet the centre wavelength of debugging wavelength, obtain the method that maximum received optical power regulates.
The embodiment of the present invention proposes a kind of method of optical module regulating optical power, in the duty of single wavelengthTime, can ensure the accurate centre wavelength that receives wavelength of aiming at, it is maximum, defeated that the luminous power receiving keepsGoing out wavelength does not drift about; In the process of switching at wavelength, ensure that light path, can be right rapidly without abnormalityThe accurate centre wavelength that receives wavelength, obtains maximum received optical power.
It should be noted that, owing to not there is not single wavelength, therefore the wavelength in the embodiment of the present invention refers toA setting range wavelength.
Below in conjunction with Figure of description, the embodiment of the present invention is described in further detail.
The method of a kind of optical module regulating optical power providing by the embodiment of the present invention as shown in Figure 1, correspondenceSchematic flow sheet, comprising:
Step 101, determine filter plate the M time temperature sampling value in preset range corresponding to target wavelengthTime, obtain temperature output valve corresponding to described the M time temperature sampling value and luminous power sampled value, the M-1 timeThe temperature output valve that temperature sampling value is corresponding and luminous power sampled value;
Step 102, luminous power sampled value and the described M-1 corresponding according to described the M time temperature sampling valueThe comparative result of luminous power sampled value corresponding to inferior temperature sampling value, and described the M time temperature sampling valueThe comparative result of the corresponding temperature output valve temperature output valve corresponding with described the M-1 time temperature sampling value,Regulate described temperature output valve.
In the embodiment of the present invention, according to the M time corresponding luminous power sampled value and M-1 of temperature sampling valueThe comparative result of luminous power sampled value corresponding to inferior temperature sampling value, and the M time temperature sampling value correspondenceThe comparative result of the temperature output valve temperature output valve corresponding with the M-1 time temperature sampling value, adopt closed loopThe mode regulating is carried out fine adjustment to temperature output valve, thereby realizes the fine adjustment to luminous power, makesIt is maximum that luminous power reaches, and avoids the problem that luminous power is abnormal; And, in the embodiment of the present invention, be in definite filteringThe temperature sampling value of sheet in preset range corresponding to target wavelength time, is carried out above-mentioned closed-loop adjustment process, fromAnd shorten the required time of whole adjustment process as far as possible, improve the efficiency regulating. Preferably, M is positive integer.
The method of the regulating optical power in the embodiment of the present invention, applicable to plurality of application scenes, is particularly useful forWavelength can for DWDM (DenseWaveLengthDivisionMultiplexing, intensive multiplexed optical wave is used)Adjust the optical power adjustment in receiving system.
In the embodiment of the present invention, the magnitude of voltage of thermistor is used to MCU (MasterControlUnit, masterController) ADC (Analog-to-digitalconverter, analog-digital converter) sampling, samplingValue is labeled as ThermADC, i.e. temperature sampling value, the actual temperature of the accurate corresponding filter plate of temperature sampling value.In the time that temperature sampling value changes, the optical characteristics of filter plate also can change, and selects not thereby realizeSame optical wavelength. The photogenerated current detecting is connected to the ADC sampling of MCU, sampled value is labeled asRssiADC, i.e. luminous power sampled value, the size of the accurate corresponding received optical power of luminous power sampled value.The output of ThermDAC (being temperature output valve) becomes by the temperature of temperature-control circuit control thermistorChange, filter plate passband is ability alignment wavelengths central point on certain ThermDAC point only, obtains maximumLuminous power, the embodiment of the present invention is just by regulating ThermDAC, to obtain maximum luminous power.
Due to filter plate temperature corresponding to different wavelength, therefore, in the embodiment of the present invention, can be in advanceDifferent wavelength arranges corresponding parameter, for example, and initial temperature output valve, preset range, step size (toolAdjusting size when body refers to each adjusting temperature output valve) etc. Above-mentioned parameter is only exemplary illustration, realBorder process can arrange various parameters for different wavelength as required, and the embodiment of the present invention does not limit this.Particularly, can be for above-mentioned parameter configuration store region in MCU, this storage area can be passed through by userBus conducts interviews and reads and writes. Further, in this storage area, can adopt database form orOther forms of person are the identification information of wavelength and parameter corresponding stored, thereby in subsequent query process, can rootAccording to the identification information of wavelength, get the parameter that wavelength is corresponding.
The embodiment of the present invention is by for different wavelength, initial temperature output valve being set, thereby can be very shortIn time, get the temperature sampling value in preset range corresponding to target wavelength, so that enter and close fastRing regulates, and improves the efficiency regulating.
The embodiment of the present invention, before step 101, also comprises: receive wavelength switching command or the instruction that powers on;Wherein, wavelength switching command or the instruction that powers on comprise the identification information of target wavelength; According to target wavelengthIdentification information and preset range between corresponding relation, obtain preset range corresponding to target wavelength. AlsoBe to say, in the embodiment of the present invention, the method for regulating optical power is applicable to the adjusting in wavelength handoff procedure, alsoApplicable to the adjusting in power up.
In wavelength switching and power up, the initial temperature output valve corresponding according to target wavelength, first defeatedGo out initial temperature output valve, thereby can get very soon the temperature in preset range corresponding to target wavelengthSampled value, so that enter closed-loop adjustment. If there is no the output of initial value, may expend when longerBetween find the temperature sampling value in preset range, if, directly enter closed loop and adjust initial value in the situation that in outputSave and temperature sampling value do not judged, very possible discovery collects photogenerated current RssiADC mono-Be directly 0, thereby cannot regulate temperature output valve, and then cause closed-loop adjustment failure. Therefore, originallyIn inventive embodiments, the initial temperature output valve that first export target wavelength is corresponding, and at definite temperature samplingValue in the case of in preset range corresponding to target wavelength time, enter closed-loop adjustment, not only can accurately adjustJoint luminous power, and can effectively improve efficiency and the success rate of adjusting.
The embodiment of the present invention is in step 101, if the M time temperature sampling value determining filter plate be not at orderMark in the preset range that wavelength is corresponding, temperature output valve is adjusted to initial temperature corresponding to target wavelength defeatedGo out value, and continue to obtain temperature sampling value, until the temperature sampling value getting is corresponding pre-of target wavelengthIf in scope, enter closed-loop adjustment.
In step 102, when the M time temperature output valve corresponding to temperature sampling value is greater than temperature sampling the M-1 timeWhile being worth corresponding temperature output valve, if the M time luminous power sampled value corresponding to temperature sampling value is greater than M-1The luminous power sampled value that inferior temperature sampling value is corresponding, heightens temperature output valve, otherwise, turn down temperature outputValue; When the M time temperature output valve corresponding to temperature sampling value is greater than temperature corresponding to temperature sampling value the M-1 timeWhen degree output valve, if the M time luminous power sampled value corresponding to temperature sampling value is less than temperature sampling the M-1 timeBe worth corresponding luminous power sampled value, turn down temperature output valve, otherwise, heighten temperature output valve.
The embodiment of the present invention, heightening temperature output valve and turning down in the process of temperature output valve, specifically regulatesLarge I is determined according to the step size arranging before. For convenience of regulating, the embodiment of the present invention preferably arrangesSame step size, each regulated quantity regulating is identical.
Below in conjunction with concrete numerical value to above-mentioned making an explanation property of the adjustment process explanation in the embodiment of the present invention.
Suppose luminous power sampled value W corresponding to temperature sampling value the M timemRepresent, the M-1 time temperature is adoptedThe luminous power sampled value W that sample value is correspondingm－1Represent other the similar expression of luminous power sampled value. MThe temperature output valve P that inferior temperature sampling value is correspondingmRepresent the M-1 time temperature corresponding to temperature sampling valueOutput valve Pm－1Represent other the similar expression of temperature output valve.
If Wm＝10，Wm－1＝9，Pm＝100，Pm－1=90, more known, Pm－ 1＜Pm，Wm－1＜Wm, according to above-mentioned adjusting principle, adjustable height temperature output valve, for example, after heighteningTemperature output valve Pm+1=110, if the W gettingm+1=9, now by comparing, known Wm +1＜Wm，Pm＜Pm+1, according to the change curve of luminous power (being parabola changes), now, can be trueDetermine WmWithin=10 o'clock, be maximum luminous power, continuation output Pm=100, and finish closed-loop adjustment.
Adopt the method for the regulating optical power in the embodiment of the present invention, can be according to the relatively knot of luminous power sampled valueReally, and temperature output valve comparative result, constantly regulate temperature output valve, until luminous power reaches after maximum,Exit closed-loop adjustment.
The idiographic flow schematic diagram of a kind of optical module regulating optical power that Fig. 2 provides for the embodiment of the present invention. UnderFace describes the idiographic flow of regulating optical power in the embodiment of the present invention in conjunction with Fig. 2.
Step 201, receives wavelength switching command or the instruction that powers on;
Step 202, the initial temperature output valve that export target wavelength is corresponding;
Step 203, compares the M time temperature sampling value preset range corresponding with target wavelength, ifIn this preset range, perform step 204, otherwise, execution step 202;
Step 204, obtain temperature output valve corresponding to described the M time temperature sampling value and luminous power sampled value,The M-1 time corresponding temperature output valve and luminous power sampled value of temperature sampling value;
Step 205, judges that the M time corresponding temperature output valve and the M-1 time temperature of temperature sampling value adoptThe magnitude relationship of temperature output valve corresponding to sample value, if the M time temperature output valve corresponding to temperature sampling valueBe greater than temperature output valve corresponding to temperature sampling value the M-1 time, perform step 206 and step 207, no, execution step 208 and step 209;
Step 206, by judging luminous power sampled value that the M time temperature sampling value is corresponding and the M-1 timeThe magnitude relationship of luminous power sampled value corresponding to temperature sampling value, determines that the M time temperature sampling value is correspondingLuminous power sampled value is greater than luminous power sampled value corresponding to temperature sampling value the M-1 time, and performs step 210;
Step 207, by judging luminous power sampled value that the M time temperature sampling value is corresponding and the M-1 timeThe magnitude relationship of luminous power sampled value corresponding to temperature sampling value, determines that the M time temperature sampling value is correspondingLuminous power sampled value is less than luminous power sampled value corresponding to temperature sampling value the M-1 time, and performs step 211;
Step 208, by judging luminous power sampled value that the M time temperature sampling value is corresponding and the M-1 timeThe magnitude relationship of luminous power sampled value corresponding to temperature sampling value, determines that the M time temperature sampling value is correspondingLuminous power sampled value is greater than luminous power sampled value corresponding to temperature sampling value the M-1 time, and performs step 211;
Step 209, by judging luminous power sampled value that the M time temperature sampling value is corresponding and the M-1 timeThe magnitude relationship of luminous power sampled value corresponding to temperature sampling value, determines that the M time temperature sampling value is correspondingLuminous power sampled value is less than luminous power sampled value corresponding to temperature sampling value the M-1 time, and performs step 210;
Step 210, heightens temperature output valve, and is heightening after temperature output valve, determines that luminous power not yet reachesAfter maximum luminous power, be circulated to step 203, until obtain maximum luminous power;
Step 211, turns down temperature output valve, and is turning down after temperature output valve, determines that luminous power not yet reachesAfter maximum luminous power, be circulated to step 203, until obtain maximum luminous power.
In the above embodiment of the present invention, determine that the M temperature sampling value of filter plate is in target wavelength correspondencePreset range in time, obtain M temperature sampling value corresponding M temperature output valve, M temperature defeatedGo out to be worth corresponding luminous power sampled value, M-1 temperature output valve and light corresponding to M-1 temperature output valvePower samples value; In luminous power sampled value corresponding to M temperature output valve and M-1 temperature output valve pairIn the unequal situation of luminous power sampled value of answering, according to M temperature output valve and the output of M-1 temperatureThe comparative result of value, regulates temperature output valve, until luminous power sampled value corresponding to temperature output valve reachesGreatly; M < N, M, N are positive integer. In the embodiment of the present invention, according to the M time temperature sampling value pairThe comparative result of the luminous power sampled value of the answering luminous power sampled value corresponding with the M-1 time temperature sampling value withAnd temperature output valve corresponding to the M time temperature sampling value temperature corresponding with the M-1 time temperature sampling value is defeatedGo out the comparative result of value, adopt the mode of closed-loop adjustment to carry out fine adjustment to temperature output valve, thereby realizeTo the fine adjustment of luminous power, make luminous power reach maximum, avoid the problem that luminous power is abnormal; And, thisIn inventive embodiments, be in the time determining that the temperature sampling value of filter plate is in preset range corresponding to target wavelength,Carry out above-mentioned closed-loop adjustment process, thereby shorten the required time of whole adjustment process as far as possible, raising regulatesEfficiency.
Based on identical technical conceive, the embodiment of the present invention also provides a kind of device of optical module regulating optical power.The structural representation of the device of a kind of optical module regulating optical power providing for the embodiment of the present invention as shown in Figure 3,Figure, this device comprises:
Acquisition module 302, for the M time temperature sampling value determining filter plate target wavelength corresponding in advanceIf scope in after, obtain temperature output valve corresponding to described the M time temperature sampling value and luminous power sampled value,The M-1 time corresponding temperature output valve and luminous power sampled value of temperature sampling value;
Adjustment module 303, for luminous power sampled value and the institute corresponding according to described the M time temperature sampling valueState the comparative result of luminous power sampled value corresponding to the M-1 time temperature sampling value, and described the M time temperatureThe comparison of temperature output valve corresponding to the sampled value temperature output valve corresponding with described the M-1 time temperature sampling valueAs a result, regulate described temperature output valve; M is positive integer.
Preferably, described adjustment module 303 also for:
If the M time temperature sampling value of described filter plate not in preset range corresponding to described target wavelength,Described temperature output valve is adjusted to initial temperature output valve corresponding to described target wavelength.
Preferably, described adjustment module 303 specifically for:
When temperature output valve corresponding to described the M time temperature sampling value is greater than described the M-1 time temperature sampling valueWhen corresponding temperature output valve, if described in luminous power sampled value corresponding to described the M time temperature sampling value be greater thanThe M-1 time luminous power sampled value corresponding to temperature sampling value, heightens described temperature output valve, otherwise, adjustLow described temperature output valve;
When temperature output valve corresponding to described the M time temperature sampling value is greater than described the M-1 time temperature sampling valueWhen corresponding temperature output valve, if described in luminous power sampled value corresponding to described the M time temperature sampling value be less thanThe M-1 time luminous power sampled value corresponding to temperature sampling value, turns down described temperature output valve, otherwise, adjustHigh described temperature output valve.
Preferably, also comprise:
Receiver module 301, for receiving wavelength switching command or the instruction that powers on; Described wavelength switching commandOr the instruction that powers on comprises the identification information of target wavelength;
Described acquisition module is also for, right according between the identification information of described target wavelength and preset rangeShould be related to, obtain preset range corresponding to described target wavelength.
Preferably, the temperature sampling value of described filter plate is by gathering the thermistor that described filter plate is correspondingMagnitude of voltage obtain;
Described luminous power sampled value obtains by gathering photogenerated current value.
It can be seen from the above:
In the embodiment of the present invention, the M time temperature sampling value determining filter plate is corresponding pre-of target wavelengthIf after in scope, obtain temperature output valve corresponding to the M time temperature sampling value and luminous power sampled value, theM-1 corresponding temperature output valve and the luminous power sampled value of temperature sampling value; According to the M time temperature samplingBe worth the relatively knot of the corresponding luminous power sampled value luminous power sampled value corresponding with the M-1 time temperature sampling valueReally, and temperature output valve corresponding to the M time temperature sampling value corresponding with the M-1 time temperature sampling valueThe comparative result of temperature output valve, regulates temperature output valve. In the embodiment of the present invention, according to the M time temperatureLuminous power sampled value corresponding to the degree sampled value luminous power sampled value corresponding with the M-1 time temperature sampling valueComparative result and the M time corresponding temperature output valve and the M-1 time temperature sampling value pair of temperature sampling valueThe comparative result of the temperature output valve of answering, adopts the mode of closed-loop adjustment to carry out fine adjustment to temperature output valve,Thereby realize the fine adjustment to luminous power, make luminous power reach maximum, avoid the problem that luminous power is abnormal;And, in the embodiment of the present invention, be in preset range corresponding to target wavelength in the temperature sampling value of determining filter plateWhen interior, carry out above-mentioned closed-loop adjustment process, thereby shorten the required time of whole adjustment process as far as possible, improveThe efficiency regulating.
Although described the preferred embodiments of the present invention, once those skilled in the art obtain cicada baseThis creative concept, can make other change and amendment to these embodiment. So appended right is wantedAsk and be intended to be interpreted as comprising preferred embodiment and fall into all changes and the amendment of the scope of the invention.
Obviously, those skilled in the art can carry out various changes and modification and not depart from this present inventionBright spirit and scope. Like this, if of the present invention these amendment and modification belong to the claims in the present invention andWithin the scope of its equivalent technologies, the present invention be also intended to comprise these change and modification interior.
Claims (10)
1. a method for optical module regulating optical power, is characterized in that, the method comprises:
The M time temperature sampling value determining filter plate in preset range corresponding to target wavelength after, obtain instituteState temperature output valve corresponding to the M time temperature sampling value and luminous power sampled value, the M-1 time temperature sampling valueCorresponding temperature output valve and luminous power sampled value;
According to luminous power sampled value corresponding to described the M time temperature sampling value and described the M-1 time temperature samplingBe worth the comparative result of corresponding luminous power sampled value, and temperature corresponding to described the M time temperature sampling value is defeatedThe comparative result that goes out the value temperature output valve corresponding with described the M-1 time temperature sampling value, regulates described temperatureOutput valve.
2. the method for claim 1, is characterized in that, determines the M time temperature of described filter plateSampled value is not in preset range corresponding to described target wavelength, described in described temperature output valve being adjusted toThe initial temperature output valve that target wavelength is corresponding.
3. the method for claim 1, is characterized in that, according to described the M time temperature sampling value pairThe comparative result of the luminous power sampled value of the answering luminous power sampled value corresponding with described the M-1 time temperature sampling value,And temperature output valve corresponding to described the M time temperature sampling value is corresponding with described the M-1 time temperature sampling valueThe comparative result of temperature output valve, regulate described temperature output valve, comprising:
When temperature output valve corresponding to described the M time temperature sampling value is greater than described the M-1 time temperature sampling valueWhen corresponding temperature output valve, if described in luminous power sampled value corresponding to described the M time temperature sampling value be greater thanThe M-1 time luminous power sampled value corresponding to temperature sampling value, heightens described temperature output valve, otherwise, adjustLow described temperature output valve;
When temperature output valve corresponding to described the M time temperature sampling value is greater than described the M-1 time temperature sampling valueWhen corresponding temperature output valve, if described in luminous power sampled value corresponding to described the M time temperature sampling value be less thanThe M-1 time luminous power sampled value corresponding to temperature sampling value, turns down described temperature output valve, otherwise, adjustHigh described temperature output valve.
4. the method for claim 1, is characterized in that, the M time temperature of described definite filter plateSampled value in preset range corresponding to target wavelength before, also comprise:
Receive wavelength switching command or the instruction that powers on; Described wavelength switching command or the instruction that powers on compriseThe identification information of target wavelength;
According to the corresponding relation between the identification information of described target wavelength and preset range, obtain described targetThe preset range that wavelength is corresponding.
5. the method as described in any one in claim 1-4, is characterized in that, the temperature of described filter plateSampled value is that the magnitude of voltage by gathering the thermistor that described filter plate is corresponding obtains;
Described luminous power sampled value obtains by gathering photogenerated current value.
6. a device for optical module regulating optical power, is characterized in that, this device comprises:
Acquisition module, for determining that the M time temperature sampling value of filter plate is at default model corresponding to target wavelengthEnclose interior after, obtain temperature output valve corresponding to described the M time temperature sampling value and luminous power sampled value, M-1The temperature output valve that inferior temperature sampling value is corresponding and luminous power sampled value;
Adjustment module, for according to luminous power sampled value corresponding to described the M time temperature sampling value and describedThe comparative result of luminous power sampled value corresponding to M-1 temperature sampling value, and described the M time temperature samplingBe worth the comparative result of the corresponding temperature output valve temperature output valve corresponding with described the M-1 time temperature sampling value,Regulate described temperature output valve.
7. device as claimed in claim 6, is characterized in that, described adjustment module also for:
If the M time temperature sampling value of described filter plate not in preset range corresponding to described target wavelength,Described temperature output valve is adjusted to initial temperature output valve corresponding to described target wavelength.
8. device as claimed in claim 6, is characterized in that, described adjustment module specifically for:
When temperature output valve corresponding to described the M time temperature sampling value is greater than described the M-1 time temperature sampling valueWhen corresponding temperature output valve, if described in luminous power sampled value corresponding to described the M time temperature sampling value be greater thanThe M-1 time luminous power sampled value corresponding to temperature sampling value, heightens described temperature output valve, otherwise, adjustLow described temperature output valve;
When temperature output valve corresponding to described the M time temperature sampling value is greater than described the M-1 time temperature sampling valueWhen corresponding temperature output valve, if described in luminous power sampled value corresponding to described the M time temperature sampling value be less thanThe M-1 time luminous power sampled value corresponding to temperature sampling value, turns down described temperature output valve, otherwise, adjustHigh described temperature output valve.
9. device as claimed in claim 6, is characterized in that, also comprises:
Receiver module, for receiving wavelength switching command or the instruction that powers on; Described wavelength switching command orThe instruction that powers on comprises the identification information of target wavelength;
Described acquisition module is also for, right according between the identification information of described target wavelength and preset rangeShould be related to, obtain preset range corresponding to described target wavelength.
10. the device as described in any one in claim 6-9, is characterized in that, the temperature of described filter plateDegree sampled value is that the magnitude of voltage by gathering the thermistor that described filter plate is corresponding obtains;
Described luminous power sampled value obtains by gathering photogenerated current value.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106877971A (en) * | 2017-01-05 | 2017-06-20 | 青岛海信宽带多媒体技术有限公司 | A kind of wavelength accuracy control method and device |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080107431A1 (en) * | 2006-11-08 | 2008-05-08 | Electronics & Telecommunications Research Institute | Method and apparatus for controlling wavelength tuning of optical source for optical communication |
| CN101751048A (en) * | 2008-12-11 | 2010-06-23 | 华为技术有限公司 | Temperature control method and temperature control device for wavelength detecting device |
| CN102843191A (en) * | 2012-09-29 | 2012-12-26 | 青岛海信宽带多媒体技术有限公司 | Method and device for adjusting emitted light power of optical module |
| CN203242908U (en) * | 2013-03-19 | 2013-10-16 | 深圳英诺激光科技有限公司 | Laser device temperature tuning locking device |
| CN104001249A (en) * | 2014-06-13 | 2014-08-27 | 北京易世恒电子技术有限责任公司 | Method and device for controlling positive end expiratory pressure |
| CN103222135B (en) * | 2012-11-15 | 2014-12-31 | 华为技术有限公司 | Light amplifier control method and apparatus and light amplifier |
| CN104753590A (en) * | 2013-12-26 | 2015-07-01 | 青岛海信宽带多媒体技术有限公司 | Optical module |
| CN104880775A (en) * | 2015-05-29 | 2015-09-02 | 青岛海信宽带多媒体技术有限公司 | Optical filter assembly |
| CN102870037B (en) * | 2012-06-21 | 2016-06-29 | 华为技术有限公司 | Tunable optical filter, tunable optical assembly and multi-wavelength passive optical network system |
-
2016
- 2016-03-03 CN CN201610120364.2A patent/CN105652379A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080107431A1 (en) * | 2006-11-08 | 2008-05-08 | Electronics & Telecommunications Research Institute | Method and apparatus for controlling wavelength tuning of optical source for optical communication |
| CN101751048A (en) * | 2008-12-11 | 2010-06-23 | 华为技术有限公司 | Temperature control method and temperature control device for wavelength detecting device |
| CN102870037B (en) * | 2012-06-21 | 2016-06-29 | 华为技术有限公司 | Tunable optical filter, tunable optical assembly and multi-wavelength passive optical network system |
| CN102843191A (en) * | 2012-09-29 | 2012-12-26 | 青岛海信宽带多媒体技术有限公司 | Method and device for adjusting emitted light power of optical module |
| CN103222135B (en) * | 2012-11-15 | 2014-12-31 | 华为技术有限公司 | Light amplifier control method and apparatus and light amplifier |
| CN203242908U (en) * | 2013-03-19 | 2013-10-16 | 深圳英诺激光科技有限公司 | Laser device temperature tuning locking device |
| CN104753590A (en) * | 2013-12-26 | 2015-07-01 | 青岛海信宽带多媒体技术有限公司 | Optical module |
| CN104001249A (en) * | 2014-06-13 | 2014-08-27 | 北京易世恒电子技术有限责任公司 | Method and device for controlling positive end expiratory pressure |
| CN104880775A (en) * | 2015-05-29 | 2015-09-02 | 青岛海信宽带多媒体技术有限公司 | Optical filter assembly |
Non-Patent Citations (1)
| Title |
|---|
| 潘丰，徐颖秦 等: "《自动控制原理》", 30 July 2015 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106877971A (en) * | 2017-01-05 | 2017-06-20 | 青岛海信宽带多媒体技术有限公司 | A kind of wavelength accuracy control method and device |
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