CN113258997A - Optical module and optical module control method - Google Patents
Optical module and optical module control method Download PDFInfo
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- CN113258997A CN113258997A CN202110716009.2A CN202110716009A CN113258997A CN 113258997 A CN113258997 A CN 113258997A CN 202110716009 A CN202110716009 A CN 202110716009A CN 113258997 A CN113258997 A CN 113258997A
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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
- H04B10/07—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems
- H04B10/075—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using an in-service signal
- H04B10/077—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using an in-service signal using a supervisory or additional signal
- H04B10/0779—Monitoring line transmitter or line receiver equipment
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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
- H04B10/40—Transceivers
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Abstract
The application discloses an optical module and an optical module control method, wherein the optical module comprises a plurality of laser groups, the working temperature intervals of the laser groups are different, the laser groups form a continuous working temperature interval of-80-200 ℃, and each laser group comprises at least one laser; and the optical switch is provided with a plurality of optical transmission ports, and each laser is connected with each optical transmission port in a one-to-one correspondence manner. Measuring the environment temperature, determining a target laser group according to the corresponding relation between the environment temperature and the working temperature interval, controlling the target laser group to work, and controlling the optical transmission port access connected with the target laser group. Therefore, the optical module can adapt to different temperature intervals, the working temperature range of the optical module is remarkably improved, and the optical module can be suitable for special application scenes.
Description
Technical Field
The present invention relates generally to the field of optical communication technologies, and in particular, to an optical module and an optical module control method.
Background
In some special application scenarios, such as deserts with great day-night temperature differences, it is desirable that the optical module can operate over a very wide temperature range, typically between-40 ℃ and 120 ℃. One of the factors limiting the operating temperature range of the optical module is the laser in the optical module. Lasers in the optical module are all the same type or the same type of lasers at present, the working temperature range of the same type or the same type of lasers is only about 85 ℃ generally and is smaller than the temperature range 160 ℃ of a special application scene, and therefore the working temperature range of the optical module is limited.
Disclosure of Invention
In view of the above-mentioned drawbacks and deficiencies of the prior art, it is desirable to provide an optical module and an optical module control method.
In a first aspect, the present invention provides an optical module, comprising: the laser device comprises a plurality of laser groups, a plurality of laser groups and a plurality of control modules, wherein the working temperature intervals of the laser groups are different, the laser groups form a continuous working temperature interval of-80-200 ℃, and each laser group comprises at least one laser; and the optical switch is provided with a plurality of optical transmission ports, and each laser is connected with each optical transmission port in a one-to-one correspondence manner.
In one embodiment, the operating temperature of each of the lasers in the same group of lasers is the same.
In one embodiment, the bandwidth of each of the lasers in the same group of lasers is the same.
In one embodiment, the light module further comprises a temperature measuring means and a control means; the temperature measuring device is used for measuring the ambient temperature; and the control device is used for determining a target laser group according to the corresponding relation between the environment temperature and the working temperature interval, controlling the target laser group to work and controlling each optical transmission port passage connected with the target laser group.
In one embodiment, the laser system further comprises a laser group lifetime determining module for determining the lifetime of each laser group, and the control device is further configured to control the laser group with a short lifetime to operate when the ambient temperature is in an operating temperature range of a plurality of laser groups.
In one embodiment, the laser group lifetime determination module includes a laser group lifetime counting unit, and the laser group lifetime counting unit is configured to count the lifetime of the laser groups and determine the lifetime of each laser group according to the lifetime of the laser group.
In one embodiment, the laser group lifetime determination module includes a laser group temperature measurement unit, and the laser group temperature measurement unit is configured to count real-time temperatures of the laser groups and determine the lifetime of each laser group according to the real-time temperatures of the laser groups.
In one embodiment, the laser employs a semiconductor laser including a vertical cavity surface emitting laser and/or a distributed feedback laser.
In a second aspect, the present invention provides a light module control method according to the first aspect, including: acquiring an ambient temperature; determining a target laser group according to the corresponding relation between the environment temperature and the working temperature interval; and controlling the target laser group to work and controlling the optical transmission port access connected with the target laser group.
In one embodiment, the method further comprises: and when the environment temperature is in the working temperature range of a plurality of laser groups, determining the service life of each laser group, and controlling the laser groups with long service life to work in the plurality of laser groups.
In one embodiment, determining the useful life of each of the laser groups comprises: and counting the service life of the laser groups, and determining the service life of each laser group according to the service life of the laser groups.
In one embodiment, determining the useful life of each of the laser groups comprises: and counting the real-time temperature of the laser groups, and determining the service life of each laser group according to the real-time temperature of the laser groups.
Compared with the prior art, the invention has the beneficial effects that:
the optical module comprises a plurality of laser groups, the working temperature intervals of the laser groups are different, the laser groups form a continuous working temperature interval of-80-200 ℃, and each laser group comprises at least one laser; and the optical switch is provided with a plurality of optical transmission ports, and each laser is connected with each optical transmission port in a one-to-one correspondence manner. Measuring the environment temperature, determining a target laser group according to the corresponding relation between the environment temperature and the working temperature interval, controlling the target laser group to work, and controlling the optical transmission port access connected with the target laser group. Therefore, the optical module can adapt to different temperature intervals, the working temperature range of the optical module is remarkably improved, and the optical module can be suitable for special application scenes.
Drawings
Other features, objects and advantages of the present application will become more apparent upon reading of the following detailed description of non-limiting embodiments thereof, made with reference to the accompanying drawings in which:
fig. 1 shows a block diagram of an optical module according to an embodiment of the present application;
fig. 2 shows another structural block diagram of an optical module according to an embodiment of the present application;
fig. 3 is a flowchart illustrating a light module control method according to an embodiment of the present application;
fig. 4 shows another flowchart of a light module control method according to an embodiment of the present application;
fig. 5 shows a schematic structural diagram of a server according to an embodiment of the present application.
Detailed Description
The present application will be described in further detail with reference to the following drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the relevant invention and not restrictive of the invention. It should be noted that, for convenience of description, only the portions related to the present invention are shown in the drawings.
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.
In order to improve the working temperature range of the optical module, the optical module can be suitable for special application scenes. The embodiment provides an optical module and an optical module control method.
Referring to fig. 1, fig. 1 shows a block diagram of an optical module provided in the present application.
As shown in fig. 1, the optical module includes: the laser device comprises a plurality of laser groups, a plurality of laser groups and a plurality of control modules, wherein the working temperature intervals of the laser groups are different, the laser groups form a continuous working temperature interval of-80-200 ℃, and each laser group comprises at least one laser; and the optical switch is provided with a plurality of optical transmission ports, and each laser is connected with each optical transmission port in a one-to-one correspondence manner.
It should be noted that the above-mentioned optical module has multiple channels, and each channel is connected to one laser. Specifically, the above-mentioned optical module has 12-way channels, and the 12-way channels connect 12 lasers in total. The Laser may be a semiconductor Laser including a Vertical Cavity Surface Emitting Laser (VCSEL) and/or a Distributed Feedback Laser (DFB).
The working temperature of each laser in the same laser group is the same. For example: 4 lasers of 1-4 channels are suitable for working at-40-20 ℃, 4 lasers of 5-8 channels are suitable for working at 10-70 ℃, and 4 lasers of 9-12 channels are suitable for working at 60-120 ℃.
The bandwidth of each laser in the same laser group is the same. The number of the lasers in each group is equal to the ratio of the bandwidth of the optical module to the bandwidth of the lasers. For example: the bandwidth of the optical module can be 100Gbps, the bandwidth of the laser can be 25Gbps, and each group of lasers comprises 4 lasers.
And determining a target laser group according to the corresponding relation between the environment temperature and the working temperature interval, controlling the target laser group to work, and controlling each optical transmission port passage connected with the target laser group. Therefore, the optical module can adapt to different temperature intervals, the working temperature range of the optical module is remarkably improved, and the optical module can be suitable for special application scenes. It should be noted that the above process can be configured manually or automatically.
And when manual configuration is carried out, determining a target laser group according to the corresponding relation between the environment temperature and the working temperature interval, manually controlling the target laser group to work, and controlling each optical transmission port passage connected with the target laser group. Specifically, the target laser group is controlled to work, and the optical switch switches the optical transmission port access corresponding to each laser in the target laser group.
The external temperature can input the measurement result to the control device, and also can transmit the measurement result to the control device, and the external temperature obtained by the temperature measurement device is automatically received by the control device. The temperature measuring device may be provided separately or may be included in the optical module.
The different groups of lasers can be configured according to the outside temperature, and the lasers can be configured automatically in addition to manual configuration.
When performing automatic configuration, as shown in fig. 2, the optical module may further include a temperature measurement device and a control device; the temperature measuring device is used for measuring the ambient temperature; and the control device is used for determining a target laser group according to the corresponding relation between the environment temperature and the working temperature interval, controlling the target laser group to work and controlling each optical transmission port passage connected with the target laser group.
The temperature measuring device may employ, for example, a thermometer and a temperature measuring device. The thermometer may be a kerosene thermometer, an alcohol thermometer, a mercury thermometer, a gas thermometer, a resistance thermometer, a thermocouple thermometer, or a radiation thermometer. The temperature measuring device may be of the following four types: thermocouples, thermistors, Resistance Temperature Detectors (RTDs), and IC temperature measurement devices.
The control device can be realized by adopting a single chip microcomputer, the single chip microcomputer is provided with a single group of lasers which are matched with corresponding temperature intervals according to the external temperature, and a logic control circuit which controls the drive circuit to be conducted with the single group of lasers.
When the ambient temperature is in an operating temperature range of the plurality of laser groups, the optical module may further include a laser group lifetime determination module configured to determine a lifetime of each of the laser groups, and the control device is configured to control the laser group having a short lifetime among the plurality of laser groups to operate.
Optionally, the laser group service life determining module includes a laser group service life counting unit, the laser group service life counting unit is configured to count service lives of the laser groups, and determine the service lives of the laser groups according to the service lives of the laser groups.
Optionally, the laser group lifetime determining module includes a laser group temperature measuring unit, where the laser group temperature measuring unit is configured to count a real-time temperature of the laser groups, and determine a lifetime of each laser group according to the real-time temperature of the laser group.
When the temperature intervals of the two groups of lasers have an overlapping area and the external temperature is in the overlapping area, the optical switch switches the single group of lasers with longer residual life to be conducted with the driving circuit.
Referring to fig. 3, fig. 3 is a flowchart illustrating a light module control method provided in the present application.
Therefore, the optical module can adapt to different temperature intervals, the working temperature range of the optical module is remarkably improved, and the optical module can be suitable for special application scenes.
Referring to fig. 4, fig. 4 is a flowchart illustrating a light module control method provided in the present application.
The method may further comprise step 440: and when the environment temperature is in the working temperature range of a plurality of laser groups, determining the service life of each laser group, and controlling the laser groups with long service life to work in the plurality of laser groups.
Determining the used lifetime of each of the laser groups may include: and counting the service life of the laser groups, and determining the service life of each laser group according to the service life of the laser groups.
Determining the used lifetime of each of the laser groups may include: and counting the real-time temperature of the laser groups, and determining the service life of each laser group according to the real-time temperature of the laser groups.
Therefore, the optical module can adapt to different temperature intervals, the working temperature range of the optical module is remarkably improved, the optical module can be suitable for special application scenes, and the service life of the optical module can be prolonged.
The following further describes the control method of the optical module by way of example.
For an optical module with an external temperature of-40-120 ℃ and a bandwidth of 100Gbps, the optical module comprises 12 channels, each channel is connected with one laser, the 12 lasers are divided into three groups, each group of lasers comprises 4 lasers with 25Gbps, wherein 4 lasers of 1-4 channels are suitable for working at-40-20 ℃, 4 lasers of 5-8 channels are suitable for working at 10-70 ℃, and 4 lasers of 9-12 channels are suitable for working at 60-120 ℃.
The optical module is provided with a temperature measuring device, and the temperature measuring device is provided with an optical switch to select a proper channel. If the outside temperature is-30 ℃, 4 laser channels of 1-4 paths are selected by the optical module to be conducted. If the external temperature is 50 ℃, 4 laser channels of 5-8 paths are selected by the optical module to be conducted, and if the external temperature is 100 ℃, 4 laser channels of 9-12 paths are selected by the optical module to be conducted. If the ambient temperature is 15 deg.C, this temperature is the overlap region of the working ranges of the 1-4 and 5-8 lasers. The control device can automatically select the channel with longer residual life of the laser to work, and the service life of the whole module is prolonged.
In another aspect, the present application also provides a computer-readable storage medium, which may be a storage module included in the control apparatus described in the following embodiments; or the semiconductor material storage management device can be independently arranged and not assembled in the storage module of the semiconductor material storage management device. The memory module may also be referred to as a memory portion. As shown in fig. 5, the control apparatus may include a processing unit 501 that can perform various appropriate actions and processes according to a program stored in a Read Only Memory (ROM)502 or a program loaded from a storage section into a Random Access Memory (RAM) 504. In the RAM503, various programs and data necessary for system operation are also stored. The processing unit 501, the ROM 502, and the RAM503 are connected to each other by a bus 504. An input/output (I/O) interface 505 is also connected to bus 504.
The following components are connected to the I/O interface 505: an input portion 506 including a keyboard, a mouse, and the like; an output portion 507 including a display such as a Cathode Ray Tube (CRT), a Liquid Crystal Display (LCD), and the like, and a speaker; a storage portion 508 including a hard disk and the like; and a communication section 509 including a network interface card such as a LAN card, a modem, or the like. The communication section 509 performs communication processing via a network such as the internet. The drives are also connected to the I/O interface 505 as needed. A removable medium 711 such as a magnetic disk, an optical disk, a magneto-optical disk, a semiconductor memory, or the like is mounted on the drive 710 as necessary, so that a computer program read out therefrom is mounted into the storage section 508 as necessary.
In particular, according to an embodiment of the invention, the process described above with reference to the flowchart of fig. 1 may be implemented as a computer software program. For example, embodiments of the invention include a computer program product comprising a computer program embodied on a computer-readable medium, the computer program comprising program code for performing the method illustrated in the flow chart. In such an embodiment, the computer program may be downloaded and installed from a network via the communication section, and/or installed from a removable medium. Which when executed by the processing unit 501 performs the above-mentioned functions as defined in the system of the present application.
It should be noted that the computer readable medium shown in the present invention can be a computer readable signal medium or a computer readable storage medium or any combination of the two. A computer readable storage medium may be, for example, but not limited to, an electronic, magnetic, optical, electromagnetic, infrared, or semiconductor system, apparatus, or device, or any combination of the foregoing. More specific examples of the computer readable storage medium may include, but are not limited to: an electrical connection having one or more wires, a portable computer diskette, a hard disk, a Random Access Memory (RAM), a read-only memory (ROM), an erasable programmable read-only memory (EPROM or flash memory), an optical fiber, a portable compact disc read-only memory (CD-ROM), an optical storage device, a magnetic storage device, or any suitable combination of the foregoing. In the present invention, a computer readable storage medium may be any tangible medium that can contain, or store a program for use by or in connection with an instruction execution system, apparatus, or device. In the present invention, however, a computer readable signal medium may include a propagated data signal with computer readable program code embodied therein, for example, in baseband or as part of a carrier wave. Such a propagated data signal may take many forms, including, but not limited to, electro-magnetic, optical, or any suitable combination thereof. A computer readable signal medium may also be any computer readable medium that is not a computer readable storage medium and that can communicate, propagate, or transport a program for use by or in connection with an instruction execution system, apparatus, or device. Program code embodied on a computer readable medium may be transmitted using any appropriate medium, including but not limited to: wireless, wire, fiber optic cable, RF, etc., or any suitable combination of the foregoing.
The flowchart and block diagrams in the figures illustrate the architecture, functionality, and operation of possible implementations of systems, methods and computer program products according to various embodiments of the present invention. In this regard, each block in the flowchart or block diagrams may represent a module, segment, or portion of code, which comprises one or more executable instructions for implementing the specified logical function(s). It should also be noted that, in some alternative implementations, the functions noted in the block may occur out of the order noted in the figures. For example, two blocks shown in succession may, in fact, be executed substantially concurrently, or the blocks may sometimes be executed in the reverse order, depending upon the functionality involved. It will also be noted that each block of the block diagrams or flowchart illustration, and combinations of blocks in the block diagrams or flowchart illustration, can be implemented by special purpose hardware-based systems which perform the specified functions or acts, or combinations of special purpose hardware and computer instructions.
The units described in the embodiments of the present invention may be implemented by software, or may be implemented by hardware, and the described units may also be disposed in a processor. Wherein the names of the elements do not in some way constitute a limitation on the elements themselves. The described units or modules may also be provided in a processor or in a control processor, and may be described, for example, as: a control processor comprises a detection module, a first key and first data acquisition module, an input module, wherein the names of the units or modules do not in some cases constitute a limitation of the units or modules themselves. For example, the calculation module may also be described as a "module for calculating the first key and the first data based on the registered random data and the user identity".
The above-mentioned computer readable medium carries one or more programs which, when executed, implement the light module control method described in the above-mentioned embodiments.
For example, as shown in fig. 3: step S310, acquiring an ambient temperature; step S320, determining a target laser group according to the corresponding relation between the environment temperature and the working temperature interval; step S330, controlling the target laser group to work, and controlling each optical transmission port channel connected to the target laser group.
It should be noted that although in the above detailed description several modules or units of the device for action execution are mentioned, such a division is not mandatory. Indeed, the features and functionality of two or more modules or units described above may be embodied in one module or unit, according to embodiments of the present disclosure. Conversely, the features and functions of one module or unit described above may be further divided into embodiments by a plurality of modules or units.
Moreover, although the steps of the methods of the present disclosure are depicted in the drawings in a particular order, this does not require or imply that the steps must be performed in this particular order, or that all of the depicted steps must be performed, to achieve desirable results. Additionally or alternatively, certain steps may be omitted, multiple steps combined into one step execution, and/or one step broken down into multiple step executions, etc.
Through the above description of the embodiments, those skilled in the art will readily understand that the exemplary embodiments described herein may be implemented by software, or by software in combination with necessary hardware.
The above description is only a preferred embodiment of the application and is illustrative of the principles of the technology employed. It will be appreciated by those skilled in the art that the scope of the disclosure herein is not limited to the particular combination of features described above, but also encompasses other arrangements formed by any combination of the above features or their equivalents without departing from the spirit of the disclosure. For example, the above features may be replaced with (but not limited to) features having similar functions disclosed in the present application.
Claims (12)
1. A light module, comprising:
the laser device comprises a plurality of laser groups, a plurality of laser groups and a plurality of control modules, wherein the working temperature intervals of the laser groups are different, the laser groups form a continuous working temperature interval of-80-200 ℃, and each laser group comprises at least one laser;
and the optical switch is provided with a plurality of optical transmission ports, and each laser is connected with each optical transmission port in a one-to-one correspondence manner.
2. The optical module of claim 1, wherein the operating temperatures of the lasers in the same group are the same.
3. The optical module of claim 1, wherein the bandwidths of the lasers in a same group of lasers are the same.
4. A light module as claimed in claim 1, characterized by further comprising temperature measuring means and control means;
the temperature measuring device is used for measuring the ambient temperature;
and the control device is used for determining a target laser group according to the corresponding relation between the environment temperature and the working temperature interval, controlling the target laser group to work and controlling each optical transmission port passage connected with the target laser group.
5. The light module of claim 4, further comprising a laser group lifetime determination module for determining a lifetime of each of the laser groups,
the control device is further used for controlling the laser groups with short service life to work when the environment temperature is located in the working temperature interval of the laser groups.
6. The optical module according to claim 5, wherein the laser group lifetime determination module comprises a laser group lifetime counting unit, the laser group lifetime counting unit is configured to count the lifetime of the laser groups, and determine the lifetime of each laser group according to the lifetime of the laser group.
7. The optical module as claimed in claim 5, wherein the laser group lifetime determination module comprises a laser group temperature measurement unit, the laser group temperature measurement unit is configured to count real-time temperatures of the laser groups, and determine the lifetime of each of the laser groups according to the real-time temperatures of the laser groups.
8. A light module as claimed in claim 1, characterized in that the laser is a semiconductor laser, which comprises a vertical cavity surface emitting laser and/or a distributed feedback laser.
9. A light module control method according to any one of claims 1 to 8, characterized in that the method comprises:
acquiring an ambient temperature;
determining a target laser group according to the corresponding relation between the environment temperature and the working temperature interval;
and controlling the target laser group to work and controlling the optical transmission port access connected with the target laser group.
10. The light module control method of claim 9, characterized in that the method further comprises: and when the environment temperature is in the working temperature range of a plurality of laser groups, determining the service life of each laser group, and controlling the laser groups with long service life to work in the plurality of laser groups.
11. The light module control method of claim 10, wherein determining the lifetime of each of the laser groups comprises: and counting the service life of the laser groups, and determining the service life of each laser group according to the service life of the laser groups.
12. The light module control method of claim 10, wherein determining the lifetime of each of the laser groups comprises: and counting the real-time temperature of the laser groups, and determining the service life of each laser group according to the real-time temperature of the laser groups.
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| CN111880269A (en) * | 2020-08-18 | 2020-11-03 | 深圳市飞思卓科技有限公司 | Industrial optical module, optical fiber communication equipment and optical fiber communication system |
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