CN207638668U - A kind of relevant optical receiver module - Google Patents
A kind of relevant optical receiver module Download PDFInfo
- Publication number
- CN207638668U CN207638668U CN201721920161.8U CN201721920161U CN207638668U CN 207638668 U CN207638668 U CN 207638668U CN 201721920161 U CN201721920161 U CN 201721920161U CN 207638668 U CN207638668 U CN 207638668U
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- China
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- output end
- power supply
- differential balance
- balance detector
- control module
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Abstract
The utility model discloses a kind of relevant optical receiver modules, including local laser, 90 ° of optical mixer units, the first, second differential balance detector and power supply and control module, for giving local laser, the first, second differential balance detector to power respectively, the output end of power supply and control module is connect with the signal input part of local laser for power supply and control module；The input terminal of 90 ° of optical mixer units is connect with the output end of signal light, local/external input reference light, and the output end of 90 ° of optical mixer units is connect with the input terminal of the first, second differential balance detector.The utility model be concerned with optical receiver module the advantages of can arbitrarily be selected in interior external reference light source, internal reference light source is that tunable wave length ITLA lasers are used for C-band application field, external reference light source is used to further widen the optical wavelength use scope of the module, and power module is that the rooms 220V electricity is powered by Voltage stabilizing module to each active device, it is convenient and efficient.
Description
Technical field
The utility model is related to coherent optical receiver technical field, specifically a kind of relevant optical receiver module.
Background technology
Existing integrated form coherent optical communication receiver often only includes 90 ° of optical mixer units and differential detector, needs to draw
Enter external local laser, this brings big inconvenience to building for system；90 ° of optical mixer unit solidification connections, when input
When the wavelength mismatch of the wavelength of signal light and local laser, which will be unable to work normally, therefore its limited flexibility.
Utility model content
The purpose of the utility model is to overcome above-mentioned the deficiencies in the prior art, solve presently, there are technology lack
It falls into, the utility model provides a kind of relevant optical receiver module.
Technical solution used by the utility model is：
A kind of relevant optical receiver module, including local laser, 90 ° of optical mixer units, the first differential balance detector, second
Differential balance detector and power supply and control module, the power supply and control module for giving local laser, first poor respectively
The power supply of the output end and local laser of balance-dividing detector and the power supply of the second differential balance detector, power supply and control module
Input terminal connects, and the output end of power supply and control module is connect with the power input of the first differential balance detector, power supply and
The output end of control module is connect with the power input of the second differential balance detector, the output of the power supply and control module
The signal input part with local laser is held to connect；The input terminal of 90 ° of optical mixer units and the output end of signal light connect, institute
The input terminal for stating 90 ° of optical mixer units is connect with the output end of local/external input reference light, the output of 90 ° of optical mixer units
End is connect with the input terminal of the first differential balance detector, and the output end of 90 ° of optical mixer units and the second differential balance detect
The input terminal of device connects, the output end output radiofrequency signal A of the first differential balance detector and radiofrequency signal B, and described the
The output end of two differential balance detectors exports radiofrequency signal C and radiofrequency signal D.
Preferably, the local laser is to generate C＆L wave bands, power>The ITLA tunable laser moulds of 10dBm
Block.
Compared with the prior art, the utility model be concerned with optical receiver module the advantages of interior external reference light source can be arbitrary
Select, internal reference light source be tunable wave length ITLA lasers for C-band application field use, external reference light source be used for into
One step widens the optical wavelength use scope of the module, and power module is that the rooms 220V electricity is supplied by Voltage stabilizing module to each active device
Electricity, it is convenient and efficient.
The utility model is described in further detail below in conjunction with the accompanying drawings.
Description of the drawings
Fig. 1 is the structural schematic diagram of the relevant optical receiver module of the utility model.
Fig. 2 is the work flow diagram of the relevant optical receiver module of the utility model.
Specific implementation mode
In order to deepen the understanding to the utility model, the utility model is made with reference to the accompanying drawings and examples further detailed
Thin explanation.Following embodiment is only used for clearly illustrating the technical solution of the utility model, and cannot be limited with this
The scope of protection of the utility model.
As shown in Figure 1, a kind of relevant optical receiver module of the utility model, including local laser, 90 ° of optical mixer units,
One differential balance detector, the second differential balance detector and power supply and control module, power supply and control module for giving respectively
The output end of local laser, the first differential balance detector and the power supply of the second differential balance detector, power supply and control module
It is connect with the power input of local laser, the power supply of the output end and the first differential balance detector of power supply and control module
Input terminal connects, and the output end of power supply and control module is connect with the power input of the second differential balance detector, power supply and
The output end of control module is connect with the signal input part of local laser；The input terminals of 90 ° of optical mixer units and signal light it is defeated
Outlet connects, and the input terminal of 90 ° of optical mixer units connect with the output end of local/external input reference light, 90 ° of optical mixer units it is defeated
Outlet is connect with the input terminal of the first differential balance detector, the output end and the second differential balance detector of 90 ° of optical mixer units
Input terminal connection, the output end of the first differential balance detector exports radiofrequency signal A and radiofrequency signal B, the second differential balance
The output end of detector exports radiofrequency signal C and radiofrequency signal D.
In the utility model, local laser is used to export the local reference light of single wavelength, which can be with
Local reference optical signal is can also be used as to external system be input to 90 ° of optical mixer units as light source output.Local laser is
Generate C＆L wave bands, power>The ITLA tunable laser modules of 10dBm, output optical fibre are polarization maintaining optical fibre.
In the utility model, 90 ° of optical mixer units receive signal light (S) and local/externally input reference light (L) is converted to
For 4 tunnel light outputs, 4 tunnel light outputs and the relationship of signal light (S) and reference light (L) are respectively：S+L, S-L, S+jL, S-jL,
Middle j is imaginary constant.
In the utility model, S+L the and S-L optical signals of input are carried out differential balance spy by the first differential balance detector
It surveys, and exports radiofrequency signal A and radiofrequency signal B respectively.
In the utility model, S+jL the and S-jL optical signals of input are carried out differential balance spy by the second differential balance detector
It surveys, and exports radiofrequency signal C and radiofrequency signal D respectively.
In the utility model, power supply and control module, for local laser, the first differential balance detector, second
Differential balance detector provides power supply power supply, and with local laser communicate the control of realization its wavelength and power.
As shown in Fig. 2, the work flow diagram for the optical receiver module that is concerned with for the utility model.
It is noted that embodiment described above is to the illustrative and not limiting of technical solutions of the utility model, affiliated skill
The equivalent replacement of art field those of ordinary skill or other modifications made according to the prior art, as long as it is new not exceed this practicality
The thinking and range of type technical solution, should be included within the interest field required by the utility model.
Claims (2)
1. a kind of relevant optical receiver module, it is characterised in that：It is visited including local laser, 90 ° of optical mixer units, the first differential balance
Device, the second differential balance detector and power supply and control module are surveyed, the power supply and control module for giving local laser respectively
The output end of device, the first differential balance detector and the power supply of the second differential balance detector, power supply and control module swashs with local
The power input of light device connects, and the power input of the output end and the first differential balance detector of power supply and control module connects
It connects, the output end of power supply and control module is connect with the power input of the second differential balance detector, the power supply and control
The output end of module is connect with the signal input part of local laser；The input terminals of 90 ° of optical mixer units and signal light it is defeated
Outlet connects, and the input terminal of 90 ° of optical mixer units is connect with the output end of local/external input reference light, and 90 ° of light is mixed
The output end of frequency device is connect with the input terminal of the first differential balance detector, the output end of 90 ° of optical mixer units and second poor
The input terminal of balance-dividing detector connects, the output end output radiofrequency signal A and radio frequency letter of the first differential balance detector
The output end of number B, the second differential balance detector export radiofrequency signal C and radiofrequency signal D.
2. a kind of relevant optical receiver module according to claim 1, it is characterised in that：The local laser is to generate C＆
L-band, power>The ITLA tunable laser modules of 10dBm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721920161.8U CN207638668U (en) | 2017-12-29 | 2017-12-29 | A kind of relevant optical receiver module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721920161.8U CN207638668U (en) | 2017-12-29 | 2017-12-29 | A kind of relevant optical receiver module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207638668U true CN207638668U (en) | 2018-07-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721920161.8U Active CN207638668U (en) | 2017-12-29 | 2017-12-29 | A kind of relevant optical receiver module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207638668U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111193183A (en) * | 2020-03-01 | 2020-05-22 | 福建中科光芯光电科技有限公司 | Monolithic integrated balance detector chip and preparation method thereof |
-
2017
- 2017-12-29 CN CN201721920161.8U patent/CN207638668U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111193183A (en) * | 2020-03-01 | 2020-05-22 | 福建中科光芯光电科技有限公司 | Monolithic integrated balance detector chip and preparation method thereof |
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