CN112346242A - Method and device for quickly and automatically adjusting transmission eye pattern parameters of optical module - Google Patents
Method and device for quickly and automatically adjusting transmission eye pattern parameters of optical module Download PDFInfo
- Publication number
- CN112346242A CN112346242A CN202011405667.1A CN202011405667A CN112346242A CN 112346242 A CN112346242 A CN 112346242A CN 202011405667 A CN202011405667 A CN 202011405667A CN 112346242 A CN112346242 A CN 112346242A
- Authority
- CN
- China
- Prior art keywords
- optical module
- eye pattern
- adjusted
- parameter
- parameters
- 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.)
- Granted
Links
Images
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/0012—Optical design, e.g. procedures, algorithms, optimisation routines
-
- 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
- G02B6/42—Coupling light guides with opto-electronic elements
- G02B6/4201—Packages, e.g. shape, construction, internal or external details
- G02B6/4286—Optical modules with optical power monitoring
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Optical Communication System (AREA)
Abstract
The invention discloses a method and a device for quickly and automatically adjusting the transmission eye pattern parameters of an optical module, belonging to the field of intelligent manufacturing of the optical module.A functional relation between the eye pattern parameters to be adjusted and the eye pattern adjustment target parameters is obtained from the physical characteristics of the optical module; then collecting the current value of each eye pattern parameter to be adjusted, combining the current value of the eye pattern adjustment target parameter obtained by testing, and solving the functional relation to obtain the value of a undetermined coefficient in the functional relation; and finally, solving the functional relation through specific values to which the eye pattern adjustment target parameters need to be adjusted based on the undetermined coefficient values to obtain the eye pattern parameter values to be adjusted. The method can quickly obtain the required eye pattern parameters from the physical characteristics of the optical module and the optical device through a physical formula and mathematical calculation. According to the invention, the PIV parameters of the optical device do not need to be measured in advance, and the PIV curve data of the optical device does not need to be obtained in advance.
Description
Technical Field
The invention belongs to the field of intelligent manufacturing of optical modules, and particularly relates to a method and a device for quickly and automatically adjusting parameters of a transmitting eye diagram of an optical module.
Background
When the optical module is manufactured, eye pattern parameters including emitted light power, extinction ratio, eye pattern allowance, cross points and the like need to be adjusted and tested to reach a protocol standard and a factory internal control index. Traditional adjustment methods include manual adjustment by staff and less efficient approaches. The manual adjustment of staff is not only low in speed but also stable in process without automatic software adjustment, and has hidden quality danger. The approximation method is similar to the enumeration method, and for the condition that the bias current needs to be adjusted, the modulation current needs to be adjusted for multiple times to obtain the desired eye pattern adjustment result, and the problems that the adjustment speed is slow, the process is unstable, and the qualified module cannot be ensured to be automatically adjusted certainly exist.
Disclosure of Invention
Aiming at the defects or improvement requirements in the prior art, the invention provides a method and a device for quickly and automatically adjusting the transmission eye pattern parameters of an optical module, which can quickly obtain the required eye pattern parameters through a physical formula and mathematical calculation on the physical characteristics of the optical module and an optical device, do not need to measure the PIV parameters of the optical device in advance, do not need to obtain the PIV curve data of the optical device in advance, and can be suitable for various occasions.
To achieve the above object, according to an aspect of the present invention, there is provided a method for fast and automatically adjusting a transmission eye pattern parameter of an optical module, including:
obtaining a functional relation model between the parameters of the eye pattern to be adjusted and the parameters of the eye pattern adjustment target from the physical characteristics of the optical module;
collecting current values of the eye pattern parameters to be adjusted, combining the eye pattern adjustment target parameter current values obtained through testing, inputting the functional relation model, and solving to obtain undetermined coefficient values in the functional relation model;
and solving the functional relation model through the specific value to which the eye pattern adjustment target parameter needs to be adjusted based on the undetermined coefficient value to obtain the value of the eye pattern parameter to be adjusted.
In some optional embodiments, when the optical module is a smaller than 10G optical module, for the directly modulated optical module, the functional relationship model between the eye diagram parameter to be adjusted and the eye diagram adjustment target parameter is:
wherein E isrRepresents the extinction ratio of the optical module, IbIs the bias current of the optical module, ImIs the modulation current of the optical module, IthIs the threshold current of the light module.
In some optional embodiments, when the optical module is an optical module smaller than 10G, the obtaining, from the physical characteristics of the optical module, a functional relationship model between an eye diagram parameter to be adjusted and an eye diagram adjustment target parameter includes:
for a directly modulated optical module, logic 1 corresponds to an optical power P1 as: p1 ═ Ib+Im-Ith) Eta, wherein, IbIs the bias current of the optical module, ImIs the modulation current of the optical module, IthIs the threshold current of the optical module, and η is the photoelectric conversion efficiency of the optical module;
logic 0 corresponds to an optical power P0 of: p0 ═ Ib-Ith) η, therefore, the average output optical power of the optical module is: pAve(P1+ P0)/2, the extinction ratio of the optical module is:
in some optional embodiments, when the optical module is a smaller than 10G optical module, for the external modulation optical module, the functional relationship model between the eye diagram parameter to be adjusted and the eye diagram adjustment target parameter is:
wherein E isrRepresents the extinction ratio of the optical module, IbIs the bias current of the optical module, ImIs the modulation current of the optical module, IthIs the threshold current of the light module.
In some optional embodiments, when the optical module is an optical module smaller than 10G, the obtaining, from the physical characteristics of the optical module, a functional relationship model between an eye diagram parameter to be adjusted and an eye diagram adjustment target parameter includes:
for externally modulated optical modules, logic1 corresponds to an optical power P1 of:wherein, IbIs the bias current of the optical module, ImIs the modulation current of the optical module, IthIs the threshold current of the optical module, and η is the photoelectric conversion efficiency of the optical module;
logic 0 corresponds to an optical power P0 of:therefore, the average output optical power of the optical module is: pAve(P1+ P0)/2, the extinction ratio of the optical module is:
in some optional implementations, when the optical module is an optical module of more than 10G, the functional relationship model between the eye diagram parameter to be adjusted and the eye diagram adjustment target parameter is:
wherein A is1To AnTo adjust the eye parameters, B11To BnmTo be a coefficient of undetermination, C1To CmTarget parameters are adjusted for the eye diagram.
In some alternative embodiments, in B11To BnmIs a primary function F11(x) To Fnm(x) If the to-be-adjusted eye pattern parameter is not in a linear function relationship with the eye pattern adjustment target parameter, the function relationship model between the to-be-adjusted eye pattern parameter and the eye pattern adjustment target parameter is as follows:
according to another aspect of the present invention, there is provided an apparatus for fast and automatically adjusting a transmission eye pattern parameter of a light module, including:
the corresponding relation determining module is used for obtaining a functional relation model between the eye pattern parameters to be adjusted and the eye pattern adjustment target parameters from the physical characteristics of the optical module;
the coefficient solving module is used for acquiring the current value of each eye pattern parameter to be adjusted, combining the current value of the eye pattern adjustment target parameter obtained by testing, inputting the functional relation model and solving to obtain the value of the undetermined coefficient in the functional relation model;
and the parameter adjusting module is used for solving the function relation model through the specific value to which the eye pattern adjusting target parameter needs to be adjusted based on the undetermined coefficient value to obtain the value of the eye pattern parameter to be adjusted.
In some optional embodiments, when the optical module is a smaller than 10G optical module, for the directly modulated optical module, the functional relationship model between the eye diagram parameter to be adjusted and the eye diagram adjustment target parameter is:
wherein E isrRepresents the extinction ratio of the optical module, IbIs the bias current of the optical module, ImIs the modulation current of the optical module, IthIs the threshold current of the light module.
In some optional embodiments, when the optical module is a smaller than 10G optical module, for the external modulation optical module, the functional relationship model between the eye diagram parameter to be adjusted and the eye diagram adjustment target parameter is:
wherein E isrRepresents the extinction ratio of the optical module, IbIs the bias current of the optical module, ImIs the modulation current of the optical module, IthIs the threshold current of the light module.
In some optional embodiments, when the optical module is a smaller than 10G optical module, the correspondence determining module is configured to logically modulate the optical module directly1 corresponds to an optical power P1 of: p1 ═ Ib+Im-Ith) Eta, wherein, IbIs the bias current of the optical module, ImIs the modulation current of the optical module, IthIs the threshold current of the optical module, and η is the photoelectric conversion efficiency of the optical module;
logic 0 corresponds to an optical power P0 of: p0 ═ Ib-Ith) η, therefore, the average output optical power of the optical module is: pAve(P1+ P0)/2, the extinction ratio of the optical module is:
in some optional embodiments, when the optical module is a smaller than 10G optical module, the correspondence determining module is configured to, for the external modulation optical module, determine that the optical power P1 corresponding to logic 1 is:wherein, IbIs the bias current of the optical module, ImIs the modulation current of the optical module, IthIs the threshold current of the optical module, and η is the photoelectric conversion efficiency of the optical module; logic 0 corresponds to an optical power P0 of:therefore, the average output optical power of the optical module is: pAve(P1+ P0)/2, the extinction ratio of the optical module is:
in some optional implementations, when the optical module is an optical module of more than 10G, the functional relationship model between the eye diagram parameter to be adjusted and the eye diagram adjustment target parameter is:
wherein A is1To AnTo adjust the eye parameters, B11To BnmTo be a coefficient of undetermination, C1To CmAdjusting for eye patternA target parameter.
In some alternative embodiments, in B11To BnmIs a primary function F11(x) To Fnm(x) If the to-be-adjusted eye pattern parameter is not in a linear function relationship with the eye pattern adjustment target parameter, the function relationship model between the to-be-adjusted eye pattern parameter and the eye pattern adjustment target parameter is as follows:
in general, compared with the prior art, the above technical solution contemplated by the present invention can achieve the following beneficial effects:
the adjusting method provided by the invention only needs one-time test and one-time adjustment, not only has high adjusting speed, but also is more accurate than a common approximation method, and has higher success rate. For different kinds of optical modules: SFP \ SFP + \ PON \ QSFP \ CFP \ CFP2\ CFP4 and the like have strong practicability, and as the adjusting method does not need to carry out PIV test on the optical device in advance, compared with the traditional mode that the PIV test needs to be carried out in advance, the adjusting method is simpler and more convenient and is easier to realize. Meanwhile, because the invention does not need to add additional hardware or equipment, the implementation cost is lower.
Drawings
Fig. 1 is a schematic flowchart of a method for quickly and automatically adjusting a transmission eye diagram parameter of an optical module according to an embodiment of the present invention;
FIG. 2 is a current-power curve of a directly modulated laser according to an embodiment of the present invention;
fig. 3 is a current-power curve of an externally modulated laser according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention. In addition, the technical features involved in the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
Fig. 1 is a schematic flow chart of a method for quickly and automatically adjusting a transmission eye diagram parameter of an optical module according to an embodiment of the present invention, where the method shown in fig. 1 includes the following steps:
s1: obtaining a functional relation model between the parameters of the eye pattern to be adjusted and the parameters of the eye pattern adjustment target from the physical characteristics of the optical module;
s2: collecting current values of the eye pattern parameters to be adjusted, combining the eye pattern adjustment target parameter current values obtained through testing, inputting a functional relation model, and solving to obtain undetermined coefficient values in the functional relation model;
s3: and solving the functional relation model through the specific value to which the eye pattern adjustment target parameter needs to be adjusted based on the value of the undetermined coefficient to obtain the value of the eye pattern parameter to be adjusted.
Example one
In the embodiment of the invention, a method for adjusting the optical power, the extinction ratio and the eye pattern of a PIV curve adjusting module based on a semiconductor laser diode is provided.
The general shape of the PIV curve for a semiconductor laser diode fabricated with a digitally modulated optical module is shown in fig. 2:
the optical module shown in fig. 2 is a Direct modulation optical module, and for the Direct modulation optical module, the optical power P1 corresponding to logic 1 can be calculated by the following formula:
P1=(Ib+Im-Ith)η (1)
in the formula (1), IbIs the bias current of the optical module, ImIs the modulation current of the optical module, IthIs the threshold current of the optical module, and η is the photoelectric conversion efficiency of the optical module. The same logical 0 corresponding optical power P0 can be obtained by the following equation:
P0=(Ib-Ith)η (2)
average output optical power of optical module:
PAve=(P1+P0)/2 (3)
extinction ratio of the optical module:
the following can be obtained by the above (1), (2), (3) and (4):
for a certain actual optical module and matched optical device, IthIs a constant value. The extinction ratio is adjusted at the bias current IbThe adjustment is performed with fixation. An I can be obtained by the formula (5)mAnd the extinction ratio can be determined by a known Im1And E measured on eye chart apparatusr1Calculating I in the relation functionb-Ith. Thus, the extinction ratio is adjusted to a target value Er2The modulation current I required to be set can be quickly calculated by the formula (5)m。
Among them, the above formula is slightly different for an External Modulation (External Modulation) optical module. But the principles and processes of the calculations are exactly the same. For the outer modulation light module, as shown in FIG. 3, the above formula is updated with the suffix-2:
(3) and (4) the out-of-formula modulation optical module and the direct modulation optical module are the same. From the above, (5) -2:
for the external modulation module, the subsequent extinction ratio adjustment method is the same as that of the direct modulation optical module. Only the corresponding formulas are differentiated.
Example two
On the basis of the first embodiment, the derived eye diagram adjustment method for the more complex optical module may not be applicable to the adjustment method described in the first embodiment in many cases for the high-speed module above 10G. The reason is that the module above 10G has requirements on not only the optical power and the extinction ratio during the adjustment of the eye pattern, but also the parameters such as the cross point, the eye pattern margin, the OMA and the like. The adjustment parameters are not limited to the modulation current and the bias current, but the eye diagram parameters are influenced by the adjustment parameters such as the modulation current and the bias current. The specific value of the parameter to be adjusted cannot be calculated by a single formula. One can construct a function matrix as follows:
in the above formula (6), A11To AnmAre all parameters to be adjusted (e.g. bias current and modulation current), B11To BnmAre all undetermined coefficients (e.g. I in embodiment one)b-Ith),C1To CnAre eye diagram adjustment target parameters (e.g., optical power, extinction ratio). The undetermined coefficient B can be calculated by solving the equation form according to the data acquired by the system11To Bnm. Then, A is obtained by calculating the specific value of the target parameter11To Anm。
It should be noted that, in the embodiment of the present invention, the relationship between all the parameters to be adjusted and the target parameter is set as a linear function relationship by default. It is possible that equation (6) does not apply to practical physical models, such as where the extinction ratio and modulation current are logarithmically related. In this case, the actual physical models of the driving chip used in the optical module and the photoelectric chip can be considered in detail, and mathematical modeling can be performed by using an appropriate functional relationship. Equation (6) can now be replaced with equation (7) below:
f in the above formulanm(x) The elementary function representing a certain physical model after mathematical modeling can be an exponential or logarithmic function, such as let F11(x)=b11log10(x),Fnm(x)=bnmlog10(x),b11To bnmAre coefficients.
Wherein the function F in the above formulanm(x) The specific form can refer to the laser drive IC manufacturer index book and the specific optical module hardware and firmware design, and the embodiment of the invention is not limited uniquely.
EXAMPLE III
The application also provides a device for rapidly and automatically adjusting the parameters of the transmitting eye diagram of the optical module, which comprises:
the corresponding relation determining module is used for obtaining a functional relation model between the eye pattern parameters to be adjusted and the eye pattern adjustment target parameters from the physical characteristics of the optical module;
the coefficient solving module is used for acquiring the current value of each eye pattern parameter to be adjusted, combining the current value of the eye pattern adjustment target parameter obtained by testing, inputting the functional relation model and solving to obtain the value of the undetermined coefficient in the functional relation model;
and the parameter adjusting module is used for solving the function relation model through the specific value to which the eye pattern adjusting target parameter needs to be adjusted based on the undetermined coefficient value to obtain the value of the eye pattern parameter to be adjusted.
In some optional embodiments, when the optical module is a smaller than 10G optical module, for the directly modulated optical module, the functional relationship model between the eye diagram parameter to be adjusted and the eye diagram adjustment target parameter is:
wherein E isrRepresents the extinction ratio of the optical module, IbIs the bias current of the optical module, ImIs the modulation current of the optical module, IthIs the threshold current of the light module.
In some optional embodiments, when the optical module is a smaller than 10G optical module, for the external modulation optical module, the functional relationship model between the eye diagram parameter to be adjusted and the eye diagram adjustment target parameter is:
wherein E isrRepresents the extinction ratio of the optical module, IbIs the bias current of the optical module, ImIs the modulation current of the optical module, IthIs the threshold current of the light module.
In some optional embodiments, when the optical module is a smaller than 10G optical module, the correspondence determining module is configured to, for the direct modulation optical module, determine the logical 1 corresponding optical power P1 as: p1 ═ Ib+Im-Ith) Eta, wherein, IbIs the bias current of the optical module, ImIs the modulation current of the optical module, IthIs the threshold current of the optical module, and η is the photoelectric conversion efficiency of the optical module;
logic 0 corresponds to an optical power P0 of: p0 ═ Ib-Ith) η, therefore, the average output optical power of the optical module is: pAve(P1+ P0)/2, the extinction ratio of the optical module is:
in some optional embodiments, when the optical module is a smaller than 10G optical module, the correspondence determining module is configured to, for the external modulation optical module, determine that the optical power P1 corresponding to logic 1 is:wherein, IbIs the bias current of the optical module, ImIs the modulation current of the optical module, IthIs the threshold current of the optical module, and η is the photoelectric conversion efficiency of the optical module; logical 0 correspondenceThe optical power P0 is:therefore, the average output optical power of the optical module is: pAve(P1+ P0)/2, the extinction ratio of the optical module is:
in some optional implementations, when the optical module is an optical module of more than 10G, the functional relationship model between the eye diagram parameter to be adjusted and the eye diagram adjustment target parameter is:
wherein A is1To AnTo adjust the eye parameters, B11To BnmTo be a coefficient of undetermination, C1To CmTarget parameters are adjusted for the eye diagram.
In some alternative embodiments, in B11To BnmIs a primary function F11(x) To Fnm(x) If the to-be-adjusted eye pattern parameter is not in a linear function relationship with the eye pattern adjustment target parameter, the function relationship model between the to-be-adjusted eye pattern parameter and the eye pattern adjustment target parameter is as follows:
it should be noted that, according to the implementation requirement, each step/component described in the present application can be divided into more steps/components, and two or more steps/components or partial operations of the steps/components can be combined into new steps/components to achieve the purpose of the present invention.
It will be understood by those skilled in the art that the foregoing is only a preferred embodiment of the present invention, and is not intended to limit the invention, and that any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (10)
1. A method for quickly and automatically adjusting the parameters of a transmitting eye pattern of an optical module is characterized by comprising the following steps:
obtaining a functional relation model between the parameters of the eye pattern to be adjusted and the parameters of the eye pattern adjustment target from the physical characteristics of the optical module;
collecting current values of the eye pattern parameters to be adjusted, combining the eye pattern adjustment target parameter current values obtained through testing, inputting the functional relation model, and solving to obtain undetermined coefficient values in the functional relation model;
and solving the functional relation model through the specific value to which the eye pattern adjustment target parameter needs to be adjusted based on the undetermined coefficient value to obtain the value of the eye pattern parameter to be adjusted.
2. The method according to claim 1, wherein when the optical module is a smaller than 10G optical module, the functional relationship model between the eye pattern parameter to be adjusted and the eye pattern adjustment target parameter for the directly modulated optical module is:
3. The method according to claim 2, wherein when the optical module is a smaller than 10G optical module, obtaining a functional relationship model between the eye pattern parameter to be adjusted and the eye pattern adjustment target parameter from the physical characteristics of the optical module comprises:
for a directly modulated optical module, logic 1 corresponds to an optical power P1 as: p1 ═ Ib+Im-Ith) Eta, wherein, IbIs the bias current of the optical module, ImIs the modulation current of the optical module, IthIs threshold current of optical module, and η is optical modulePhotoelectric conversion efficiency of (a);
4. the method according to claim 1, wherein when the optical module is a smaller than 10G optical module, for an external modulation optical module, the functional relationship model between the eye pattern parameter to be adjusted and the eye pattern adjustment target parameter is:
5. The method according to claim 4, wherein when the optical module is a smaller than 10G optical module, the obtaining a functional relationship model between the eye pattern parameter to be adjusted and the eye pattern adjustment target parameter from the physical characteristics of the optical module comprises:
for the external modulation optical module, logic 1 corresponds to an optical power P1 as:wherein, IbIs the bias current of the optical module, ImIs the modulation current of the optical module, IthIs the threshold current of the optical module, and η is the photoelectric conversion efficiency of the optical module;
logic 0 corresponds to an optical power P0 of:therefore, the average output optical power of the optical module is: pAve(P1+ P0)/2, the extinction ratio of the optical module is:
6. the method according to claim 1, wherein when the optical module is an optical module of 10G or more, the functional relationship model between the eye pattern parameter to be adjusted and the eye pattern adjustment target parameter is:
7. The method of claim 6, wherein at B11To BnmIs a primary function F11(x) To Fnm(x) If the to-be-adjusted eye pattern parameter is not in a linear function relationship with the eye pattern adjustment target parameter, the function relationship model between the to-be-adjusted eye pattern parameter and the eye pattern adjustment target parameter is as follows:
8. an apparatus for fast and automatically adjusting parameters of a transmission eye pattern of an optical module, comprising:
the corresponding relation determining module is used for obtaining a functional relation model between the eye pattern parameters to be adjusted and the eye pattern adjustment target parameters from the physical characteristics of the optical module;
the coefficient solving module is used for acquiring the current value of each eye pattern parameter to be adjusted, combining the current value of the eye pattern adjustment target parameter obtained by testing, inputting the functional relation model and solving to obtain the value of the undetermined coefficient in the functional relation model;
and the parameter adjusting module is used for solving the function relation model through the specific value to which the eye pattern adjusting target parameter needs to be adjusted based on the undetermined coefficient value to obtain the value of the eye pattern parameter to be adjusted.
9. The apparatus according to claim 8, wherein when the optical module is a smaller than 10G optical module, the functional relationship model between the eye pattern parameter to be adjusted and the eye pattern adjustment target parameter for the directly modulated optical module is:
wherein E isrRepresents the extinction ratio of the optical module, IbIs the bias current of the optical module, ImIs the modulation current of the optical module, IthIs the threshold current of the optical module;
when the optical module is an optical module smaller than 10G, for the external modulation optical module, the functional relationship model between the parameters of the eye pattern to be adjusted and the target parameters of the eye pattern adjustment is as follows:
10. The apparatus according to claim 8, wherein when the optical module is an optical module of 10G or more, the functional relationship model between the eye pattern parameter to be adjusted and the eye pattern adjustment target parameter is:
wherein A is1To AnTo be adjusted forParameters of the eye alignment, B11To BnmTo be a coefficient of undetermination, C1To CmAdjusting a target parameter for the eye diagram;
in B11To BnmIs a primary function F11(x) To Fnm(x) If the to-be-adjusted eye pattern parameter is not in a linear function relationship with the eye pattern adjustment target parameter, the function relationship model between the to-be-adjusted eye pattern parameter and the eye pattern adjustment target parameter is as follows:
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202011405667.1A CN112346242B (en) | 2020-12-03 | 2020-12-03 | Method and device for quickly and automatically adjusting transmission eye pattern parameters of optical module |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202011405667.1A CN112346242B (en) | 2020-12-03 | 2020-12-03 | Method and device for quickly and automatically adjusting transmission eye pattern parameters of optical module |
Publications (2)
Publication Number | Publication Date |
---|---|
CN112346242A true CN112346242A (en) | 2021-02-09 |
CN112346242B CN112346242B (en) | 2021-05-28 |
Family
ID=74427647
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202011405667.1A Active CN112346242B (en) | 2020-12-03 | 2020-12-03 | Method and device for quickly and automatically adjusting transmission eye pattern parameters of optical module |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN112346242B (en) |
Citations (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20050222798A1 (en) * | 2004-02-02 | 2005-10-06 | Waschura Thomas E | Method and apparatus for creating performance limits from parametric measurements |
WO2006028531A2 (en) * | 2004-09-02 | 2006-03-16 | Azna Llc | Thermal chirp management directly modulated optical transmitter |
CN1960087A (en) * | 2005-11-01 | 2007-05-09 | 安华高科技光纤Ip(新加坡)私人有限公司 | Method and system for stabilizing operation of laser sources |
US20080199185A1 (en) * | 2007-02-15 | 2008-08-21 | Miller Frederick W | Method an apparatus for obtaining real-time measurements of optical signals in an optical network with minimal or no interruptions in communications over the network |
US7565084B1 (en) * | 2004-09-15 | 2009-07-21 | Wach Michael L | Robustly stabilizing laser systems |
CN102281102A (en) * | 2011-08-01 | 2011-12-14 | 成都优博创技术有限公司 | Open loop debugging method for optical power and extinction ratio of transmit terminal of optical module |
CN102291174A (en) * | 2011-08-01 | 2011-12-21 | 成都优博创技术有限公司 | Method for debugging optical power and extinction ratio of transmitter of optical module in closed loop way |
CN102567691A (en) * | 2012-01-13 | 2012-07-11 | 成都优博创技术有限公司 | Method for preventing pirating by optical modules |
CN202634441U (en) * | 2011-12-30 | 2012-12-26 | 武汉华工正源光子技术有限公司 | Optical power and extinction ratio control system for light emission module |
CN103401138A (en) * | 2013-07-26 | 2013-11-20 | 烽火通信科技股份有限公司 | System and method for automatically configuring extinction ratio of laser driver |
CN103475407A (en) * | 2013-08-27 | 2013-12-25 | 青岛海信宽带多媒体技术有限公司 | Method and system for debugging downlink channel of optical module based on EML (Equal Matrix Language) |
US20140029635A1 (en) * | 2012-07-24 | 2014-01-30 | Calix, Inc. | Laser power control using bias and modulation current feedback |
CN104821478A (en) * | 2015-05-31 | 2015-08-05 | 厦门大学 | Integratable automatic debugging circuit for optical eye pattern transmitted by optical module |
CN105007123A (en) * | 2015-08-12 | 2015-10-28 | 索尔思光电(成都)有限公司 | Optical module optical eye diagram ER controlling and adjusting method and system |
CN105634589A (en) * | 2016-01-26 | 2016-06-01 | 四川华拓光通信股份有限公司 | Comprehensive testing system and application method for 10-gigabit short-range transmission optical module |
CN106330296A (en) * | 2016-08-31 | 2017-01-11 | 无锡市电子仪表工业有限公司 | Method for calibrating, compensating and self-correcting parameters of optical module |
CN106451061A (en) * | 2016-10-28 | 2017-02-22 | 中国电子科技集团公司第四十四研究所 | Automatic temperature compensation device for optical module, and control method thereof |
CN109462142A (en) * | 2018-12-26 | 2019-03-12 | 中国电子科技集团公司第四十四研究所 | The control method that optical module extinction ratio adaptively adjusts |
CN110057546A (en) * | 2019-01-23 | 2019-07-26 | 尚宁光电无锡有限公司 | A kind of low cost simple light eye figure measurement method for extinction ratio and system |
-
2020
- 2020-12-03 CN CN202011405667.1A patent/CN112346242B/en active Active
Patent Citations (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20050222798A1 (en) * | 2004-02-02 | 2005-10-06 | Waschura Thomas E | Method and apparatus for creating performance limits from parametric measurements |
WO2006028531A2 (en) * | 2004-09-02 | 2006-03-16 | Azna Llc | Thermal chirp management directly modulated optical transmitter |
US7565084B1 (en) * | 2004-09-15 | 2009-07-21 | Wach Michael L | Robustly stabilizing laser systems |
CN1960087A (en) * | 2005-11-01 | 2007-05-09 | 安华高科技光纤Ip(新加坡)私人有限公司 | Method and system for stabilizing operation of laser sources |
US20080199185A1 (en) * | 2007-02-15 | 2008-08-21 | Miller Frederick W | Method an apparatus for obtaining real-time measurements of optical signals in an optical network with minimal or no interruptions in communications over the network |
CN102281102A (en) * | 2011-08-01 | 2011-12-14 | 成都优博创技术有限公司 | Open loop debugging method for optical power and extinction ratio of transmit terminal of optical module |
CN102291174A (en) * | 2011-08-01 | 2011-12-21 | 成都优博创技术有限公司 | Method for debugging optical power and extinction ratio of transmitter of optical module in closed loop way |
CN202634441U (en) * | 2011-12-30 | 2012-12-26 | 武汉华工正源光子技术有限公司 | Optical power and extinction ratio control system for light emission module |
CN102567691A (en) * | 2012-01-13 | 2012-07-11 | 成都优博创技术有限公司 | Method for preventing pirating by optical modules |
US20140029635A1 (en) * | 2012-07-24 | 2014-01-30 | Calix, Inc. | Laser power control using bias and modulation current feedback |
CN103401138A (en) * | 2013-07-26 | 2013-11-20 | 烽火通信科技股份有限公司 | System and method for automatically configuring extinction ratio of laser driver |
CN103475407A (en) * | 2013-08-27 | 2013-12-25 | 青岛海信宽带多媒体技术有限公司 | Method and system for debugging downlink channel of optical module based on EML (Equal Matrix Language) |
CN104821478A (en) * | 2015-05-31 | 2015-08-05 | 厦门大学 | Integratable automatic debugging circuit for optical eye pattern transmitted by optical module |
CN105007123A (en) * | 2015-08-12 | 2015-10-28 | 索尔思光电(成都)有限公司 | Optical module optical eye diagram ER controlling and adjusting method and system |
CN105634589A (en) * | 2016-01-26 | 2016-06-01 | 四川华拓光通信股份有限公司 | Comprehensive testing system and application method for 10-gigabit short-range transmission optical module |
CN106330296A (en) * | 2016-08-31 | 2017-01-11 | 无锡市电子仪表工业有限公司 | Method for calibrating, compensating and self-correcting parameters of optical module |
CN106451061A (en) * | 2016-10-28 | 2017-02-22 | 中国电子科技集团公司第四十四研究所 | Automatic temperature compensation device for optical module, and control method thereof |
CN109462142A (en) * | 2018-12-26 | 2019-03-12 | 中国电子科技集团公司第四十四研究所 | The control method that optical module extinction ratio adaptively adjusts |
CN110057546A (en) * | 2019-01-23 | 2019-07-26 | 尚宁光电无锡有限公司 | A kind of low cost simple light eye figure measurement method for extinction ratio and system |
Non-Patent Citations (2)
Title |
---|
JEFFREY A. JARGON: "A Robust Algorithm for Eye-Diagram Analysis", 《JOURNAL OF LIGHTWAVE TECHNOLOGY》 * |
陈晓鹏: "4.25Gb/s 光收发模块性能研究", 《光通信技术》 * |
Also Published As
Publication number | Publication date |
---|---|
CN112346242B (en) | 2021-05-28 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP3391800B2 (en) | Method and apparatus for measuring strain in optical transmission system | |
CN1988418B (en) | Method for automatic scaling light module | |
CN103401607A (en) | Method and device for acquiring monitoring temperature of optical module | |
JP4755656B2 (en) | Method and apparatus for light modulation amplitude measurement | |
CN109462142A (en) | The control method that optical module extinction ratio adaptively adjusts | |
CN112803997A (en) | Consistency test method, consistency test device and storage medium | |
CN114498293A (en) | Optical module adjusting method with temperature compensation | |
CN112346242B (en) | Method and device for quickly and automatically adjusting transmission eye pattern parameters of optical module | |
Schlager et al. | Measurements for enhanced bandwidth performance over 62.5-µm multimode fiber in short-wavelength local area networks | |
CN104682193B (en) | The method for generating temperature lookup table of optical module | |
CN102546008A (en) | Experimental device for estimating bit error rate of laser space communication system based on atmospheric parameters | |
US8055138B2 (en) | Photosensor operating point | |
CN1533058A (en) | Method and device for evaluating optical system property | |
CN104597810A (en) | Output light power stability control method of optical module | |
CN110068784A (en) | On-line self-diagnosis and System with Real-Time, method and light wave component analysis instrument | |
CN208887783U (en) | A kind of semiconductor laser beam quality test device | |
CN104734004B (en) | Generate the method and device of temperature lookup table of optical module | |
CN116338707A (en) | Exposure adjustment method, device, apparatus, and computer-readable storage medium | |
US7630632B2 (en) | Method for measuring the high speed behavior of fiber optic transceivers | |
CN107425917A (en) | The extinction ratio compensation method of optical module and device | |
CN113708842B (en) | Rapid debugging method, device and system for optical module | |
CN109357754A (en) | Luminance meter scaling method and system inside and outside a kind of Tunnel based on deep learning | |
CN112073708B (en) | Power control method and equipment for TOF camera light emission module | |
CN105490735B (en) | A kind of apparatus and method for calibrating light-receiving component sensitivity | |
CN107666107A (en) | Method, laser, storage medium and the electronic installation of calibration of laser power |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
GR01 | Patent grant | ||
GR01 | Patent grant |