CN109495182A - A kind of the receiving end calibrating method and device of relevant optical module - Google Patents
A kind of the receiving end calibrating method and device of relevant optical module Download PDFInfo
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/60—Receivers
- H04B10/61—Coherent receivers
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/60—Receivers
- H04B10/61—Coherent receivers
- H04B10/616—Details of the electronic signal processing in coherent optical receivers
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Abstract
The embodiment of the present invention provides the receiving end calibrating method and device of a kind of relevant optical module, and wherein method includes: that the local oscillation optical power of relevant optical module is arranged；The upper threshold and lower threshold of the gain-controlled voltage of relevant optical module are set；Obtain the receiving end RMS value of the relevant optical module under preset state；Preset state includes the state that gain-controlled voltage is upper threshold, input optical power is maximum luminous power, the state that gain-controlled voltage is upper threshold, input optical power is minimum optical power, the state and gain-controlled voltage that gain-controlled voltage is lower threshold, input optical power is maximum luminous power are lower threshold, input optical power is at least one of state of minimum optical power；The receiving end of relevant optical module is calibrated based on the receiving end RMS value under preset state.Method and apparatus provided in an embodiment of the present invention guarantee relevant optical module when receiving different input optical powers, and receiving end performance is almost the same, and the performance under extremity is avoided to deteriorate.
Description
Technical field
The present embodiments relate to coherent light communication technical field more particularly to a kind of receiving end calibration sides of relevant optical module
Method and device.
Background technique
Due to advantages such as detectivity is strong, conversion gain is high, stability and reliability height, coherent light technology is modern many
Field such as laser radar, high-precision spectrum analysis and coherent communication etc. have a wide range of applications.
For the receiving end for the optical module that is concerned with, receiving different input optical powers, (input optical power meets receiving end optical power
Specification) under signal, the voltage RMS value of receiving end output it is excessive or it is too small can be to the property of coherent light inside modules receiving end processing unit
Can even entirely be concerned with optical module performance impact.
How to guarantee in the case where receiving different input optical power signals, the receiving end performance for the optical module that is concerned with is almost the same, will not
The case where deteriorating is still coherent light communication technical field urgent problem to be solved.
Summary of the invention
The embodiment of the present invention provides the receiving end calibrating method and device of a kind of relevant optical module, existing relevant to solve
The receiving end output voltage RMS value of optical module is excessive or too small the problem of impacting to optical module performance.
In a first aspect, the embodiment of the present invention provides a kind of receiving end calibrating method of relevant optical module, comprising:
The local oscillation optical power of relevant optical module is set；
The upper threshold and lower threshold of the gain-controlled voltage of relevant optical module are set；
Obtain the receiving end RMS value of the relevant optical module under preset state；Preset state includes that gain-controlled voltage is to visit
Limit value, the state that input optical power is maximum luminous power, gain-controlled voltage is upper threshold, input optical power is minimum light function
The state of rate, the state and gain-controlled voltage that gain-controlled voltage is lower threshold, input optical power is maximum luminous power
It is at least one of the state of minimum optical power for lower threshold, input optical power；Receiving end RMS value is relevant optical module receiving end
Output voltage signal RMS value；
The receiving end of relevant optical module is calibrated based on the receiving end RMS value under preset state.
Second aspect, the embodiment of the present invention provide a kind of receiving end robot scaling equipment of relevant optical module, comprising:
Local oscillation optical power setting unit, for the local oscillation optical power of relevant optical module to be arranged；
Gain voltage thresholding setting unit, for upper threshold and the Xiamen of the gain-controlled voltage of relevant optical module to be arranged
Limit value；
RMS value acquiring unit, for obtaining the receiving end RMS value of the relevant optical module under preset state；Preset state includes
The state that gain-controlled voltage is upper threshold, input optical power is maximum luminous power, gain-controlled voltage are upper threshold, defeated
Optical power is the state of minimum optical power, the shape that gain-controlled voltage is lower threshold, input optical power is maximum luminous power
State and gain-controlled voltage are lower threshold, input optical power is at least one of state of minimum optical power；Receiving end
RMS value is the RMS value of the output voltage signal of relevant optical module receiving end；
Scaling unit, for being calibrated based on the receiving end RMS value under preset state the receiving end of relevant optical module.
The third aspect, the embodiment of the present invention provide a kind of electronic equipment, including processor, communication interface, memory and total
Line, wherein processor, communication interface, memory complete mutual communication by bus, and processor can call in memory
Logical order, to execute as provided by first aspect the step of method.
Fourth aspect, the embodiment of the present invention provide a kind of non-transient computer readable storage medium, are stored thereon with calculating
Machine program is realized as provided by first aspect when the computer program is executed by processor the step of method.
The receiving end calibrating method and device of a kind of relevant optical module provided in an embodiment of the present invention, by obtaining preset state
Under relevant optical module receiving end RMS value, the receiving end of relevant optical module is calibrated, guarantees the relevant optical module that passes through of calibration
When receiving different input optical power signals, receiving end performance is almost the same, avoids the deterioration of receiving end performance under extremity,
And the module of the problem of to calibration failure carries out automation interception and screening.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is this hair
Bright some embodiments for those of ordinary skill in the art without creative efforts, can be with root
Other attached drawings are obtained according to these attached drawings.
Fig. 1 is the flow diagram of the receiving end calibrating method of relevant optical module provided in an embodiment of the present invention；
Fig. 2 be another embodiment of the present invention provides relevant optical module receiving end calibrating method flow diagram；
Fig. 3 is the structural schematic diagram of the receiving end robot scaling equipment of relevant optical module provided in an embodiment of the present invention；
Fig. 4 is the structural schematic diagram of electronic equipment provided in an embodiment of the present invention.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art
Every other embodiment obtained without creative efforts, shall fall within the protection scope of the present invention.
Fig. 1 is the flow diagram of the receiving end calibrating method of relevant optical module provided in an embodiment of the present invention, such as Fig. 1 institute
Show, this method comprises:
110, the local oscillation optical power of relevant optical module is set.
120, the upper threshold and lower threshold of the gain-controlled voltage of relevant optical module are set.
Herein, relevant optical module is the relevant optical module for needing to carry out receiving end calibration, not to relevant in the embodiment of the present invention
The concrete type and packing forms of optical module are specifically limited.Before being calibrated, need to preset relevant optical module
The upper-lower door limit value of local oscillation optical power and gain-controlled voltage.Herein, local oscillator light is used for the receiving end docking in relevant optical module
The optical signal of receipts carries out coherent demodulation, and the local oscillation optical power being arranged in step 110 is the relevant sheet of optical module in the operating condition
The default power of vibration light.Gain-controlled voltage refers to trans-impedance amplifier (trans- inside the receiving end receiver of relevant optical module
Impedance amplifier, TIA) gain-controlled voltage, for controlling the output voltage gain of relevant optical module receiving end,
To adjust the output voltage amplitude of relevant optical module receiving end.The upper threshold for the gain-controlled voltage being arranged in step 120 and
Lower threshold is respectively used to limit the minimum value and maximum value of the output voltage gain of relevant optical module receiving end.Complete step
110 and 120 for after the pre-seting of relevant optical module, the upper threshold based on above-mentioned local oscillation optical power and gain-controlled voltage
With lower threshold, the receiving end calibration of relevant optical module is carried out.
It should be noted that the embodiment of the present invention does not make specific restriction, step to the execution sequence of step 110 and step 120
Rapid 110 can execute after step 120, can also execute before step 120, can also be performed simultaneously with step 120.
130, obtain the receiving end RMS value of the relevant optical module under preset state.Receiving end RMS value is relevant optical module receiving end
The RMS value of output voltage signal.
Specifically, preset state refers to that relevant optical module is transported under preset gain-controlled voltage and input optical power
Capable state.Even if the voltage RMS value of receiving end output still will not in order to enable relevant optical module work is under limiting condition
Pessimum is caused to influence the performance of relevant optical module, preset state herein includes that gain-controlled voltage is upper threshold, input
State of the optical power for maximum luminous power, the state that gain-controlled voltage is upper threshold, input optical power is minimum optical power,
The state that gain-controlled voltage is lower threshold, input optical power is maximum luminous power, gain-controlled voltage are lower threshold, defeated
Optical power is at least one of the state of minimum optical power.
Herein, input optical power refers to the optical power for being input to relevant optical module receiving end, maximum luminous power and minimum optical power
The respectively relevant optical module receiving end specification maximum value and specification minimum value of being capable of received optical power.
140, the receiving end of relevant optical module is calibrated based on the receiving end RMS value under preset state.
Specifically, whether the receiving end RMS value under the preset state obtained in judgment step 130 meets under the preset state
The requirement of receiving end RMS value, if it is satisfied, then confirming that the receiving end calibration of relevant optical module passes through, if conditions are not met, then confirmation is relevant
The receiving end of optical module calibrates failure.
Method provided in an embodiment of the present invention, by obtaining the receiving end RMS value of the relevant optical module under preset state, to phase
The receiving end of dry optical module is calibrated, and guarantees to calibrate the relevant optical module passed through when receiving different input optical power signals,
The problem of its receiving end performance is almost the same, avoids the deterioration of receiving end performance under extremity, and fails to calibration module carries out
Automation intercepts and screening.
Based on the above embodiment, step 110 specifically includes:
111, the input optical power that relevant optical module is arranged is default input optical power, obtains the receiving end of relevant optical module
Relation curve between energy and local oscillation optical power.
Specifically, default input optical power can be any input optical power.In the input light function for guaranteeing relevant optical module
Under conditions of rate remains unchanged, the size of the local oscillation optical power of receiving end is constantly regulate, and it is corresponding to record different local oscillation optical powers
Thus the receiving end performance of relevant optical module constructs between the receiving end performance and local oscillation optical power under the conditions of presetting input optical power
Relation curve.Herein, be concerned with optical module receiving end performance can be indicated by receiving end OSNR tolerance, the embodiment of the present invention to this not
Make specific limit.
112, the local oscillator light based on the relation curve between receiving end performance and local oscillation optical power, when acquisition receiving end performance is best
Power.
Specifically, based on the relation curve obtained in step 111, the optimal point of receiving end performance is chosen from relation curve,
And obtain the local oscillation optical power of the point.Such as when receiving end performance is indicated by OSNR tolerance, the more low then receiving end of OSNR tolerance
Can be better, relation curve is approximately a tub curve, chooses the point of OSNR tolerance lowermost extent in tub curve, and obtaining should
The corresponding local oscillation optical power of point.
113, by the local oscillation optical power of relevant optical module be set as receiving end performance it is best when local oscillation optical power.
Specifically, the local oscillation optical power using receiving end performance when best is as the relevant local oscillator light of optical module in the operating condition
Default power.
Method provided in an embodiment of the present invention, the relation curve between the receiving end performance and local oscillation optical power of relevant optical module
Local oscillation optical power when acquisition receiving end performance is best, helps to improve the receiving end performance of relevant optical module.
Based on any of the above-described embodiment, in step 112, local oscillation optical power when usual receiving end performance is best is in 8dBm-
Within the scope of 12dBm.
Based on any of the above-described embodiment, step 120 is specifically included: by the Upper threshold of the gain-controlled voltage of relevant optical module
Value is set as the saturation point of the relation curve between gain-controlled voltage and receiving end RMS value, sets 0 for lower threshold.
Specifically, before executing receiving end calibration, the upper and lower threshold value to the gain-controlled voltage of relevant optical module is needed
It is configured.Herein, the relation curve between gain-controlled voltage and receiving end RMS value can be by constantly regulate gain control electricity
The size of pressure, and record the corresponding receiving end RMS value building of various gain control voltage.When gain-controlled voltage increases to a certain electricity
After pressure value, receiving end RMS value will no longer increase with the increase of gain-controlled voltage, herein a certain voltage value, that is, gain control electricity
The saturation point of pressure.
Based on any of the above-described embodiment, step 130 is specifically included:
131, obtain that gain-controlled voltage is upper threshold, input optical power is coherent light in the state of minimum optical power
The receiving end RMS value of module, as the first RMS value.132, acquisition gain-controlled voltage is lower threshold, input optical power is maximum
The receiving end RMS value of relevant optical module in the state of optical power, as the second RMS value.133, under acquisition gain-controlled voltage is
Threshold value, the receiving end RMS value that input optical power is the relevant optical module in the state of minimum optical power, as third RMS value.
Specifically, herein, limiting preset state includes three kinds of states in step 131,132 and 133, respectively gain control
The state that voltage processed is upper threshold, input optical power is minimum optical power, gain-controlled voltage are lower threshold, input light function
Rate is the state of maximum luminous power and the state that gain-controlled voltage is lower threshold, input optical power is minimum optical power.
It should be noted that the embodiment of the present invention does not make specific restriction, step 131,132 to the execution sequence of step 131,132 and 133
It can be executed in any order with 133.
Based on any of the above-described embodiment, step 140 is specifically included: if the first RMS value is greater than the first preset value, the 2nd RMS
Value is less than the second preset value, and third RMS value is greater than third preset value, then confirms that the receiving end of relevant optical module is calibrated and complete；It is no
Then, confirm that the receiving end of relevant optical module calibrates failure.
Specifically, the first RMS value, the second RMS value and the third RMS value obtained respectively based on step 131,132 and 133,
The receiving end of relevant optical module is calibrated.Further, corresponding gain-controlled voltage is upper threshold, input optical power is most
The first RMS value obtained in the state of small optical power, is preset with the first preset value, if the first RMS value is greater than the first preset value,
In the state of then confirming that gain-controlled voltage is upper threshold, input optical power is minimum optical power, the optical module receiving end that is concerned with is defeated
The RMS value of voltage signal meets preset condition out, will not impact to relevant optical module receiving end performance.Similarly, corresponding to increase
Benefit control voltage is lower threshold, input optical power is the second RMS value obtained in the state of maximum luminous power, is preset with second
Preset value, if the second RMS value less than the second preset value, confirms that gain-controlled voltage is lower threshold, input optical power is
In the state of maximum luminous power, the RMS value of relevant optical module receiving end output voltage signal meets preset condition, will not be to coherent light
Module receiving end performance impacts.Corresponding gain-controlled voltage is lower threshold, the state that input optical power is minimum optical power
The third RMS value of lower acquisition, is preset with third preset value, if third RMS value is greater than third preset value, confirms gain control
Voltage is lower threshold, input optical power is the RMS for the optical module receiving end output voltage signal that is concerned in the state of minimum optical power
Value meets preset condition, will not impact to relevant optical module receiving end performance.
If the first RMS value, the second RMS value and third RMS value can satisfy preset condition, confirm in extremity
Under, the RMS value for the optical module receiving end output voltage signal that is concerned with can be adjusted by gain-controlled voltage to best receiving end RMS value
Near, it calibrates and completes because of the receiving end for the optical module that without being impacted to relevant optical module receiving end performance, is concerned with.If above-mentioned
One RMS value is unsatisfactory for preset condition, then in the state that the RMS value corresponds to, be concerned with optical module receiving end output voltage signal for confirmation
RMS value pessimum may be caused to influence relevant optical module receiving end performance, be concerned with optical module receiving end calibrate failure.
Based on any of the above-described embodiment, the optical module that is concerned with is relevant BiDi optical module, and the optical module that is concerned with is that CFP or CFP2 is sealed
Dress form.
Specifically, traditional relevant optical module, transmitting-receiving port are all independent, the responsible transmission carryings of the optical module originator that is concerned with
The tunable optical of modulation intelligence, receiving end are responsible for the reception and coherent demodulation of signal light.Increase single-mode optics in coherent light inside modules
Fine circulator constructs relevant BiDi optical module, can be realized BiDi function (single fiber bi-directional), solve in dwdm system, in nothing
Under the premise of method upgrades coherent light rate module, the problem of number of fibers realizes communication system volume expansion is not increased.
Based on any of the above-described embodiment, Fig. 2 be another embodiment of the present invention provides relevant optical module receiving end calibration side
The flow diagram of method, as shown in Fig. 2, this method comprises:
211, under conditions of guaranteeing that the input optical power of relevant optical module remains unchanged, constantly regulate the local oscillator light of receiving end
The size of power, and the receiving end performance of the corresponding relevant optical module of different local oscillation optical powers is recorded, thus construct default input light
Receiving end performance under power condition and the relation curve between local oscillation optical power
212, based on the relation curve between the receiving end performance obtained in step 211 and local oscillation optical power, from relation curve
The middle optimal point of selection receiving end performance sets local oscillation optical power of receiving end performance when best to the local oscillator light function of relevant optical module
Rate.
221, by constantly regulate the size of gain-controlled voltage, and record the corresponding receiving end of various gain control voltage
RMS value constructs the relation curve between gain-controlled voltage and receiving end RMS value.
222, based on the relation curve between the gain-controlled voltage obtained in step 221 and receiving end RMS value, obtain gain
The saturation point of voltage is controlled, and using the saturation point of gain-controlled voltage as the Upper threshold of relevant optical module gain-controlled voltage
Value.In addition, setting 0 for the lower threshold of gain-controlled voltage.
231, step 212 and 222 after the completion of, the gain-controlled voltage that relevant optical module is arranged is upper threshold, input
Optical power is minimum optical power, and obtains the receiving end RMS value of relevant optical module under this state, i.e. the first RMS value.If first
RMS value is greater than the first preset value, thens follow the steps 232；Otherwise, step 242 is executed.
232, the gain-controlled voltage that relevant optical module is arranged is lower threshold, input optical power is maximum luminous power, and
Obtain the receiving end RMS value of relevant optical module under this state, i.e. the second RMS value.If the second RMS value less than the second preset value,
Execute step 233；Otherwise, step 242 is executed.
233, the gain-controlled voltage that relevant optical module is arranged is lower threshold, input optical power is minimum optical power, and
Obtain the receiving end RMS value of relevant optical module under this state, i.e. third RMS value.If third RMS value is less than third preset value,
Execute step 241；Otherwise, step 242 is executed.
241, the optical module receiving end that is concerned with calibration is completed.
242, the optical module receiving end that is concerned with calibration failure.
Method provided in an embodiment of the present invention, by obtaining the receiving end RMS value of the relevant optical module under preset state, to phase
The receiving end of dry optical module is calibrated, and guarantees to calibrate the relevant optical module passed through when receiving different input optical power signals,
The problem of its receiving end performance is almost the same, avoids the deterioration of receiving end performance under extremity, and fails to calibration module carries out
Automation intercepts and screening.
Based on any of the above-described embodiment of the method, Fig. 3 is that the receiving end of relevant optical module provided in an embodiment of the present invention calibrates dress
The structural schematic diagram set, as shown in figure 3, the receiving end robot scaling equipment of relevant optical module includes local oscillation optical power setting unit 301, increases
Beneficial voltage threshold setting unit 302, RMS value acquiring unit 303 and scaling unit 304；
Wherein, local oscillation optical power setting unit 301, for the local oscillation optical power of relevant optical module to be arranged；
Gain voltage thresholding setting unit 302, for be arranged relevant optical module gain-controlled voltage upper threshold and
Lower threshold；
RMS value acquiring unit 303, for obtaining the receiving end RMS value of the relevant optical module under preset state；Preset state packet
Include the state that gain-controlled voltage is upper threshold, input optical power is maximum luminous power, gain-controlled voltage be upper threshold,
Input optical power is the state of minimum optical power, and gain-controlled voltage is lower threshold, input optical power is maximum luminous power
State and gain-controlled voltage are lower threshold, input optical power is at least one of state of minimum optical power；Receiving end
RMS value is the RMS value of the output voltage signal of relevant optical module receiving end；
Scaling unit 304, for being calibrated based on the receiving end RMS value under preset state the receiving end of relevant optical module.
Device provided in an embodiment of the present invention, by obtaining the receiving end RMS value of the relevant optical module under preset state, to phase
The receiving end of dry optical module is calibrated, and guarantees to calibrate the relevant optical module passed through when receiving different input optical power signals,
The problem of its receiving end performance is almost the same, avoids the deterioration of receiving end performance under extremity, and fails to calibration module carries out
Automation intercepts and screening.
Based on any of the above-described embodiment, local oscillation optical power setting unit 301 is specifically used for:
The input optical power that relevant optical module is arranged is default input optical power, obtain the receiving end performance of relevant optical module with
Relation curve between local oscillation optical power；
Local oscillator light function based on the relation curve between receiving end performance and local oscillation optical power, when acquisition receiving end performance is best
Rate；
By the local oscillation optical power of relevant optical module be set as receiving end performance it is best when local oscillation optical power.
Based on any of the above-described embodiment, gain voltage thresholding setting unit 302 is specifically used for: by the gain of relevant optical module
The upper threshold of control voltage is set as the saturation point of the relation curve between gain-controlled voltage and receiving end RMS value, by Xiamen
Limit value is set as 0.
Based on any of the above-described embodiment, RMS value acquiring unit 303 includes the first acquisition subelement, the second acquisition subelement
Subelement is obtained with third；
Wherein, for obtaining, gain-controlled voltage is upper threshold to the first acquisition subelement, input optical power is minimum light
The receiving end RMS value of relevant optical module in the state of power, as the first RMS value；
For obtaining, gain-controlled voltage is lower threshold to second acquisition subelement, input optical power is maximum luminous power
The receiving end RMS value of relevant optical module under state, as the second RMS value；
Third obtains subelement, and for obtaining, gain-controlled voltage is lower threshold, input optical power is minimum optical power
The receiving end RMS value of relevant optical module under state, as third RMS value.
Based on any of the above-described embodiment, scaling unit 304 is specifically used for: if the first RMS value be greater than the first preset value, second
RMS value is less than the second preset value, and third RMS value is greater than third preset value, then confirms that the receiving end of relevant optical module is calibrated and complete；
Otherwise, confirm that the receiving end of relevant optical module calibrates failure.
Based on any of the above-described embodiment, local oscillation optical power when receiving end performance is best is within the scope of 8dBm-12dBm.
Based on any of the above-described embodiment, the optical module that is concerned with is relevant BiDi optical module, and the optical module that is concerned with is that CFP or CFP2 is sealed
Dress form.
Fig. 4 is the entity structure schematic diagram of electronic equipment provided in an embodiment of the present invention, as shown in figure 4, the electronic equipment
It may include: processor (processor) 401,402, memory communication interface (Communications Interface)
(memory) 403 and communication bus 404, wherein processor 401, communication interface 402, memory 403 pass through communication bus 404
Complete mutual communication.Processor 401 can call the meter that is stored on memory 403 and can run on processor 401
Calculation machine program, to execute the receiving end calibrating method of the relevant optical module of the various embodiments described above offer, for example, setting coherent light
The local oscillation optical power of module；The upper threshold and lower threshold of the gain-controlled voltage of relevant optical module are set；Obtain default shape
The receiving end RMS value of relevant optical module under state；Preset state includes that gain-controlled voltage is upper threshold, input optical power for most
The state of big optical power, the state that gain-controlled voltage is upper threshold, input optical power is minimum optical power, gain control electricity
It is lower threshold, input light function that pressure, which is lower threshold, the state that input optical power is maximum luminous power and gain-controlled voltage,
Rate is at least one of the state of minimum optical power；Receiving end RMS value is the RMS of the output voltage signal of relevant optical module receiving end
Value；The receiving end of relevant optical module is calibrated based on the receiving end RMS value under preset state.
In addition, the logical order in above-mentioned memory 403 can be realized by way of SFU software functional unit and conduct
Independent product when selling or using, can store in a computer readable storage medium.Based on this understanding, originally
The technical solution of the inventive embodiments substantially part of the part that contributes to existing technology or the technical solution in other words
It can be embodied in the form of software products, which is stored in a storage medium, including several fingers
It enables and using so that a computer equipment (can be personal computer, server or the network equipment etc.) executes the present invention respectively
The all or part of the steps of a embodiment method.And storage medium above-mentioned includes: USB flash disk, mobile hard disk, read-only memory
(ROM, Read-Only Memory), random access memory (RAM, Random Access Memory), magnetic or disk
Etc. the various media that can store program code.
The embodiment of the present invention also provides a kind of non-transient computer readable storage medium, is stored thereon with computer program,
The computer program is implemented to carry out the receiving end calibration side of the relevant optical module of the various embodiments described above offer when being executed by processor
Method, for example, the local oscillation optical power of relevant optical module is set；The upper threshold of the gain-controlled voltage of relevant optical module is set
And lower threshold；Obtain the receiving end RMS value of the relevant optical module under preset state；Preset state includes that gain-controlled voltage is upper
Threshold value, the state that input optical power is maximum luminous power, gain-controlled voltage is upper threshold, input optical power is minimum light
The state of power, the state and gain control electricity that gain-controlled voltage is lower threshold, input optical power is maximum luminous power
Pressure is lower threshold, input optical power is at least one of state of minimum optical power；Receiving end RMS value is that relevant optical module is received
The RMS value of the output voltage signal at end；The receiving end of relevant optical module is calibrated based on the receiving end RMS value under preset state.
The apparatus embodiments described above are merely exemplary, wherein unit can be as illustrated by the separation member
Or may not be and be physically separated, component shown as a unit may or may not be physical unit, i.e.,
It can be located in one place, or may be distributed over multiple network units.It can select according to the actual needs therein
Some or all of the modules achieves the purpose of the solution of this embodiment.Those of ordinary skill in the art are not paying creative labor
In the case where dynamic, it can understand and implement.
Through the above description of the embodiments, those skilled in the art can be understood that each embodiment can
It realizes by means of software and necessary general hardware platform, naturally it is also possible to pass through hardware.Based on this understanding, on
Stating technical solution, substantially the part that contributes to existing technology can be embodied in the form of software products in other words, should
Computer software product may be stored in a computer readable storage medium, such as ROM/RAM, magnetic disk, CD, including several fingers
It enables and using so that a computer equipment (can be personal computer, server or the network equipment etc.) executes each implementation
The method of certain parts of example or embodiment.
Finally, it should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although
Present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: it still may be used
To modify the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features；
And these are modified or replaceed, technical solution of various embodiments of the present invention that it does not separate the essence of the corresponding technical solution spirit and
Range.
Claims (10)
1. a kind of receiving end calibrating method of relevant optical module characterized by comprising
The local oscillation optical power of relevant optical module is set；
The upper threshold and lower threshold of the gain-controlled voltage of the relevant optical module are set；
Obtain the receiving end RMS value of the relevant optical module under preset state；The preset state includes the gain control electricity
Pressure be the upper threshold, the state that input optical power is maximum luminous power, the gain-controlled voltage be the upper threshold,
The input optical power is the state of minimum optical power, and the gain-controlled voltage is the lower threshold, the input light function
Rate is the state of the maximum luminous power and the gain-controlled voltage is the lower threshold, the input optical power is
At least one of the state of the minimum optical power；The receiving end RMS value is the output voltage of the relevant optical module receiving end
The RMS value of signal；
The receiving end of the relevant optical module is calibrated based on the receiving end RMS value under the preset state.
2. the local oscillation optical power of optical module the method according to claim 1, wherein the setting is concerned with, specifically
Include:
The input optical power that the relevant optical module is arranged is default input optical power, obtains the receiving end of the relevant optical module
Relation curve between energy and local oscillation optical power；
Based on the relation curve between the receiving end performance and local oscillation optical power, obtain the receiving end performance it is best when local oscillator light
Power；
By the local oscillation optical power of the relevant optical module be set as the receiving end performance it is best when local oscillation optical power.
3. the method according to claim 1, wherein the gain-controlled voltage of the setting relevant optical module
Upper threshold and lower threshold, specifically include:
By the upper threshold of the gain-controlled voltage of the relevant optical module be set as the gain-controlled voltage with
The saturation point of relation curve between the receiving end RMS value sets 0 for the lower threshold.
4. the method according to claim 1, wherein the relevant optical module obtained under preset state
Receiving end RMS value, specifically includes:
Obtaining the gain-controlled voltage is the upper threshold, in the state that the input optical power is the minimum optical power
The relevant optical module receiving end RMS value, as the first RMS value；
Obtaining the gain-controlled voltage is the lower threshold, in the state that the input optical power is the maximum luminous power
The relevant optical module receiving end RMS value, as the second RMS value；
Obtaining the gain-controlled voltage is the lower threshold, in the state that the input optical power is the minimum optical power
The relevant optical module receiving end RMS value, as third RMS value.
5. according to the method described in claim 4, it is characterized in that, the receiving end RMS based under the preset state
Value calibrates the receiving end of the relevant optical module, specifically includes:
If first RMS value is greater than the first preset value, second RMS value is less than the second preset value, and the third RMS value
Greater than third preset value, then confirm that the receiving end calibration of the relevant optical module is completed；
Otherwise, confirm that the receiving end of the relevant optical module calibrates failure.
6. according to the method described in claim 2, it is characterized in that, the local oscillation optical power when receiving end performance is best exists
Within the scope of 8dBm-12dBm.
7. according to claim 1 to any method in 6, which is characterized in that the relevant optical module is relevant BiDi light
Module, the relevant optical module are CFP or CFP2 packing forms.
8. a kind of receiving end robot scaling equipment of relevant optical module characterized by comprising
Local oscillation optical power setting unit, for the local oscillation optical power of relevant optical module to be arranged；
Gain voltage thresholding setting unit, for upper threshold and the Xiamen of the gain-controlled voltage of the relevant optical module to be arranged
Limit value；
RMS value acquiring unit, for obtaining the receiving end RMS value of the relevant optical module under preset state；The preset state
It is the upper threshold, the state that input optical power is maximum luminous power, the gain control including the gain-controlled voltage
Voltage is the upper threshold, the state that the input optical power is minimum optical power, under the gain-controlled voltage is described
Threshold value, the state that the input optical power is the maximum luminous power and the gain-controlled voltage are the Lower Threshold
At least one of value, state that the input optical power is the minimum optical power；The receiving end RMS value is the coherent light
The RMS value of the output voltage signal of module receiving end；
Scaling unit, for being carried out based on receiving end of the receiving end RMS value under the preset state to the relevant optical module
Calibration.
9. a kind of electronic equipment, which is characterized in that including processor, communication interface, memory and bus, wherein processor leads to
Believe that interface, memory complete mutual communication by bus, processor can call the logical order in memory, to execute
Method as described in claim 1 to 7 is any.
10. a kind of non-transient computer readable storage medium, is stored thereon with computer program, which is characterized in that the computer
The method as described in claim 1 to 7 is any is realized when program is executed by processor.
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