CN106501908A - A kind of manufacture method of optical-electric module - Google Patents
A kind of manufacture method of optical-electric module Download PDFInfo
- Publication number
- CN106501908A CN106501908A CN201611237003.2A CN201611237003A CN106501908A CN 106501908 A CN106501908 A CN 106501908A CN 201611237003 A CN201611237003 A CN 201611237003A CN 106501908 A CN106501908 A CN 106501908A
- Authority
- CN
- China
- Prior art keywords
- optical fiber
- optical
- manufacture method
- transceiver unit
- fixed
- 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.)
- Pending
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Classifications
-
- 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
- G02B6/4219—Mechanical fixtures for holding or positioning the elements relative to each other in the couplings; Alignment methods for the elements, e.g. measuring or observing methods especially used therefor
- G02B6/422—Active alignment, i.e. moving the elements in response to the detected degree of coupling or position of the elements
- G02B6/4225—Active alignment, i.e. moving the elements in response to the detected degree of coupling or position of the elements by a direct measurement of the degree of coupling, e.g. the amount of light power coupled to the fibre or the opto-electronic element
-
- 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
- G02B6/4219—Mechanical fixtures for holding or positioning the elements relative to each other in the couplings; Alignment methods for the elements, e.g. measuring or observing methods especially used therefor
- G02B6/4236—Fixing or mounting methods of the aligned elements
- G02B6/424—Mounting of the optical light guide
- G02B6/4243—Mounting of the optical light guide into a groove
-
- 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
- G02B6/43—Arrangements comprising a plurality of opto-electronic elements and associated optical interconnections
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Optical Couplings Of Light Guides (AREA)
Abstract
The invention provides a kind of manufacture method of optical-electric module, including：Optoelectronic transceiver unit is fixed on underlay substrate, the optoelectronic transceiver unit includes laser instrument；Optical fiber component is provided, the optical fiber component includes at least one optical fiber, and at least one optical fiber is connected with optical power meter；The optoelectronic transceiver unit and at least one optical fiber in the optical fiber component are coupled and aligned, and the optical fiber component are fixed on the underlay substrate after being coupled and aligned.The on-line monitoring to the process of being coupled and aligned, and the result precise control optoelectronic transceiver unit according to on-line monitoring and the alignment position of optical fiber is achieved, so as to improve the coupling efficiency of photoelectric device and optical fiber.
Description
Technical field
A kind of the present embodiments relate to light is electrically integrated and optical interconnection technology, more particularly to manufacture method of optical-electric module.
Background technology
The use of optical communications module mainly in data center, server room and enterprises service net, including from 2.5G to
The different packing forms of 400G, in light network technology, the main flow photoelectric device for using at present is laser instrument and photodetector.
These existing electrodes in photoelectric device surface have the active region of launching light or detection light again.These photoelectric devices are being matched somebody with somebody with other
Set chip had both been related to circuit connection and had further related to optical Rhizoma Nelumbinis conjunction alignment when being assembled into optical-electric module, so the assembling of optical-electric module
Always one highly difficult work.
Optical being coupled and aligned can be divided into active alignment and packaging passive alignment, and active alignment is that laser instrument or detector pass through
Applying bias or electric current carry out the alignment of optical axis etc. under making device in running order.
But, either using active alignment or using by the way of packaging passive alignment in prior art, photoelectric device and light
Fine coupling efficiency all has much room for improvement.
Content of the invention
The embodiment of the present invention provides a kind of manufacture method of optical-electric module, to realize the online prison to the process of being coupled and aligned
Survey, and the result precise control optoelectronic transceiver unit according to on-line monitoring and the alignment position of optical fiber, so as to improve photoelectric device
Coupling efficiency with optical fiber.
A kind of manufacture method of optical-electric module is embodiments provided, including：
Optoelectronic transceiver unit is fixed on underlay substrate, the optoelectronic transceiver unit includes laser instrument；
Optical fiber component is provided, the optical fiber component includes at least one optical fiber, and at least one optical fiber and optics work(
Rate meter is connected；
The optoelectronic transceiver unit and at least one optical fiber in the optical fiber component are coupled and aligned, and in coupling
The optical fiber component is fixed on the underlay substrate after alignment.
Alternatively, the optoelectronic transceiver unit also includes photodetector.
Alternatively, the laser instrument is vertical cavity surface emitting laser, and the photodetector is PIN-type photodiode
Or avalanche photodide.
Alternatively, the optical fiber component can include that 12 optical fiber, the optoelectronic transceiver unit include 4 groups of laser instrument and light
Electric explorer.
Alternatively, the underlay substrate is silicon substrate.
Alternatively, the optical fiber component also includes that optical fiber fixation kit, the optical fiber fixation kit have V-type optical fiber duct,
At least one optical fiber is fixed in the optical fiber duct.
Alternatively, described the optoelectronic transceiver unit and at least one optical fiber in the optical fiber component are carried out coupling right
Standard includes：
The underlay substrate for being fixed with the optoelectronic transceiver unit is fixed on coupling fine registration unit, by adjusting institute
Coupling fine registration unit is stated so that the optoelectronic transceiver unit and at least one optical fiber in the optical fiber component are coupled
Alignment.
Alternatively, the coupling fine registration unit includes multi-dimensional displacement platform and angle turntable, described many by adjusting
Dimension displacement platform and angle turntable are so that the optoelectronic transceiver unit and at least one optical fiber in the optical fiber component carry out coupling
Close alignment.
Alternatively, the described optical fiber component is fixed on the underlay substrate includes：Will be described by adhesive means
Optical fiber component is fixed on the underlay substrate.
Alternatively, the manufacture method also includes：By the underlay substrate and drive circuit for being fixed with optical fiber component
It is fixed on metalwork.
In the manufacture method of optical-electric module provided in an embodiment of the present invention, by arranging at least one optical fiber and optical power
Meter is connected, and carries out on-line monitoring by optical power meter to the process being coupled and aligned, and accurate according to the result of on-line monitoring
Control optoelectronic transceiver unit and the alignment position of optical fiber, when the result of on-line monitoring shows that the loss of optical coupling is less than given threshold
When, it is coupled and aligned and completes, the optical fiber component is fixed on the underlay substrate after being coupled and aligned, it is achieved that improves photoelectricity
Device and the coupling efficiency of optical fiber.
Description of the drawings
Fig. 1 is a kind of schematic flow sheet of the manufacture method of optical-electric module provided in an embodiment of the present invention；
Fig. 2 is a kind of part-structure schematic diagram of optical-electric module provided in an embodiment of the present invention；
Fig. 3 is the part-structure schematic diagram of another kind of optical-electric module provided in an embodiment of the present invention.
Specific embodiment
The present invention is described in further detail with reference to the accompanying drawings and examples.It is understood that this place is retouched
The specific embodiment that states is used only for explaining the present invention, rather than limitation of the invention.It also should be noted that, in order to just
Part related to the present invention rather than entire infrastructure is illustrate only in description, accompanying drawing.
Fig. 1 is a kind of schematic flow sheet of the manufacture method of optical-electric module provided in an embodiment of the present invention, the manufacture method
Can apply during being packaged to optical-electric module, especially work is in laser instrument by applying bias or electric current
Make in the active alignment procedures carried out under state, as shown in figure 1, the method includes：
S110, optoelectronic transceiver unit is fixed on underlay substrate.
Wherein, optoelectronic transceiver unit includes laser instrument, and now optical-electric module is optical transmission module.Laser instrument is in external drive
In running order under the driving of circuit offer voltage, i.e., laser instrument sends laser beam.Optoelectronic transceiver unit is optical-electrical converter
Part, its convert electrical signals to optical signal or convert optical signals to the signal of telecommunication.
Alternatively, photovoltaic element can also include photodetector, now optical-electric module be the integrated module of optical transceiver, light receive
Send out integrated module and both there is the ability for converting electrical signals to optical signal, have again and receive optical signal and convert optical signals to electricity
The ability of signal, with higher integrated level, using also convenient, can be widely applied to the neck such as data communication and optical transport
Domain.
It should be noted that in the case where laser instrument and optical fiber are coupled and aligned, photodetector with optical fiber is
It is coupled and aligned.
S120, offer optical fiber component, the optical fiber component include at least one optical fiber, and at least one optical fiber and light
Learn energy meter to be connected.
Optical fiber fixation kit and at least one optical fiber can be provided in the optical fiber component of offer.Optical fiber fixation kit has
Clamping and the effect of fixed optical fiber, alternatively, there is optical fiber fixation kit V-type optical fiber duct, at least one optical fiber to be fixed on optical fiber
In groove.
Optical fiber component can include that an optical fiber can also include a plurality of optical fiber, when optical fiber component includes an optical fiber,
The optical fiber is may be located in a V-type optical fiber duct of optical fiber fixation kit, and one end of optical fiber is connected with optical power meter, now
As laser instrument is in running order, the loss value of optical coupling in optical power meter, just can be obtained, that is, be achieved by optics
Energy meter carries out on-line monitoring to the process being coupled and aligned；When optical fiber component includes a plurality of optical fiber, a plurality of optical fiber can be successively
It is located in multiple V-type optical fiber ducts of optical fiber fixation kit, and each optical fiber of this group of optical fiber is all connected with optical power meter,
The loss value of optical coupling now as laser instrument is in running order, just can be obtained in optical power meter, that is, achieve and pass through
Optical power meter carries out on-line monitoring to the process being coupled and aligned.
Alternatively, optical power meter can be multichannel insertion return loss tester, and optoelectronic transceiver unit can include 4 groups of laser
Device and photodetector, optical fiber component can include 12 optical fiber.By optoelectronic transceiver unit and optical fiber component to punctual, each swashs
Light device and photodetector are aligned with every fiber coupling simultaneously.
S130, the optoelectronic transceiver unit and at least one optical fiber in the optical fiber component are coupled and aligned, and
The optical fiber component is fixed on the underlay substrate after being coupled and aligned.
Fig. 2 is a kind of part-structure schematic diagram of optical-electric module provided in an embodiment of the present invention, with reference to Fig. 2, optical-electric module
Part-structure include optoelectronic transceiver unit 20, underlay substrate 23 and optical fiber component 30, wherein optoelectronic transceiver unit 20 can be down to
Include a laser instrument less, optoelectronic transceiver unit 20 is exemplarily arranged in Fig. 2 includes laser instrument 21 and connecting line 22, its
In, laser instrument 21 can be electrically connected with external drive circuit by connecting line 22, and laser instrument 21 is fixed on underlay substrate 23.
Optical fiber component 30 includes optical fiber fixation kit 31 and optical fiber 32, it is to be understood that optical fiber component can also include a plurality of optical fiber.
It should be noted that in the embodiment of the present invention, optical fiber fixation kit 31 has the first optical fiber fixed cell 311 and the second optical fiber solid
Order unit 312, the first optical fiber fixed cell 311 can be used to fix bare fibre, the multimode fibre core diameter of for example a diameter of 125um
Size, the second optical fiber fixed cell 312 can be used to the optical fiber of fixing band coat (buffer layer), for example a diameter of
The multimode fibre coating layer segment of 250um.The benefit for so arranging is, by simultaneously to the part with coat of optical fiber and
Part without coat is fixed respectively, makes, between optical fiber and optical fiber fixation kit, there is fastness, reduces optical fiber
Mobile, the reliability that the plain fiber portion of optical fiber is fixed especially is improve, and is carried for alignment precision is improved during being coupled and aligned
Supply to ensure, improve the coupling efficiency of photoelectric device and optical fiber.
With reference to Fig. 2, carrying out being coupled and aligned at least one optical fiber in optoelectronic transceiver unit and optical fiber component can include：
The underlay substrate 23 for being fixed with optoelectronic transceiver list 20 is fixed on coupling fine registration unit 10, accurate right by adjusting coupling
Quasi- unit 10 is so that at least one optical fiber 32 in optoelectronic transceiver unit 20 and optical fiber component is coupled and aligned.
Coupling fine registration unit 10 can include multi-dimensional displacement platform 11 and angle turntable 12, by adjusting multi-dimensional displacement
Platform 11 and angle turntable 12 so that at least one optical fiber 32 in optoelectronic transceiver unit 20 and optical fiber component 30 carry out coupling right
Accurate.It is specifically as follows, is adjusted by adjusting air line distance regulation of the multi-dimensional displacement platform 11 in tri- mutually orthogonal directions of XYZ
Section optoelectronic transceiver unit 20 and the relative position of optical fiber component 30, by regulation angle turntable 12 on horizontal or vertical direction
Angle rotation adjusting the relative position of optoelectronic transceiver unit 20 and optical fiber component 30.As optical fiber 32 is by wire jumper 41 and light
Learn energy meter 40 to be connected, therefore the process that can be coupled and aligned by optical power meter 40 pairs carry out on-line monitoring, and according to
The result of line monitoring adjusts multi-dimensional displacement platform 11 and angle turntable 12 so that in optoelectronic transceiver unit 20 and optical fiber component 30
At least one optical fiber 32 is coupled and aligned, it should be noted that when optical fiber component includes a plurality of optical fiber, to optoelectronic transceiver
Unit and a plurality of optical fiber are coupled and aligned simultaneously.When the result of on-line monitoring shows that the loss of optical coupling is less than given threshold
When, it is coupled and aligned and completes, optical fiber component 30 is fixed on underlay substrate 23 after being coupled and aligned, it is achieved that improves photoelectric device
Coupling efficiency with optical fiber.
Alternatively, one end of wire jumper 41 is connected with optical power meter 40, and the other end of wire jumper 41 has 12 interfaces, can
On-line monitoring can be carried out for multiple processes being coupled and aligned simultaneously to be simultaneously connected with the energy meter of a plurality of optical fiber, i.e., be improve
The service efficiency of device.
Above-mentioned optical fiber component is fixed on underlay substrate, optical fiber component can be fixed to substrate base by adhesive means
On plate.
Fig. 3 is the part-structure schematic diagram of another kind of optical-electric module provided in an embodiment of the present invention, as shown in figure 3, photoelectricity
The part-structure of module includes optoelectronic transceiver unit 20, underlay substrate 23, optical fiber component 30 and lens group 50, wherein, lens
Group 50 is located between optoelectronic transceiver unit 20 and optical fiber component 30, for improving the coupling efficiency of photoelectric device and optical fiber.Lens
Group 50 can be single lens or multiple lens, and exemplarily, lens group 50 includes two lens, now close to optoelectronic transceiver list
The laser beam that laser instrument in optoelectronic transceiver mould sends is changed into directional light by the lens that unit 20 is arranged, and is set away from optoelectronic transceiver unit 20
Directional light is focused by the lens that puts, and then improves the coupling efficiency of photoelectric device and optical fiber.
On the basis of the various embodiments described above, alternatively, laser instrument is vertical cavity surface emitting laser, and photodetector is
PIN-type photodiode or avalanche photodide.After optical fiber component is fixed on underlay substrate, will can also be fixed with
The underlay substrate and drive circuit of optical fiber component is fixed on metalwork, to carry out follow-up encapsulation process.
In the manufacture method of optical-electric module provided in an embodiment of the present invention, by arranging at least one optical fiber and optical power
Meter is connected, and carries out on-line monitoring by optical power meter to the process being coupled and aligned, and accurate according to the result of on-line monitoring
Control optoelectronic transceiver unit and the alignment position of optical fiber, when the result of on-line monitoring shows that the loss of optical coupling is less than given threshold
When, it is coupled and aligned and completes, the optical fiber component is fixed on the underlay substrate after being coupled and aligned, it is achieved that improves photoelectricity
Device and the coupling efficiency of optical fiber.
Note, above are only presently preferred embodiments of the present invention and institute's application technology principle.It will be appreciated by those skilled in the art that
The invention is not restricted to specific embodiment described here, can carry out for a person skilled in the art various obvious changes,
Readjust and substitute without departing from protection scope of the present invention.Therefore, although the present invention is carried out by above example
It is described in further detail, but the present invention is not limited only to above example, without departing from the inventive concept, also
Other Equivalent embodiments more can be included, and the scope of the present invention is determined by scope of the appended claims.
Claims (10)
1. a kind of manufacture method of optical-electric module, it is characterised in that include：
Optoelectronic transceiver unit is fixed on underlay substrate, the optoelectronic transceiver unit includes laser instrument；
Optical fiber component is provided, the optical fiber component includes at least one optical fiber, and at least one optical fiber and optical power meter
It is connected；
The optoelectronic transceiver unit and at least one optical fiber in the optical fiber component are coupled and aligned, and are being coupled and aligned
Afterwards the optical fiber component is fixed on the underlay substrate.
2. manufacture method according to claim 1, it is characterised in that the optoelectronic transceiver unit also includes photodetection
Device.
3. manufacture method according to claim 2, it is characterised in that the laser instrument is vertical cavity surface emitting laser,
The photodetector is PIN-type photodiode or avalanche photodide.
4. manufacture method according to claim 2, it is characterised in that the optical fiber component includes 12 optical fiber, the light
Electric Transmit-Receive Unit includes 4 groups of laser instrument and photodetector.
5. manufacture method according to claim 1, it is characterised in that the underlay substrate is silicon substrate.
6. manufacture method according to claim 1, it is characterised in that the optical fiber component also includes optical fiber fixation kit,
There is the optical fiber fixation kit V-type optical fiber duct, at least one optical fiber to be fixed in the optical fiber duct.
7. according to the arbitrary described manufacture method of claim 1-6, it is characterised in that described by the optoelectronic transceiver unit and institute
State at least one optical fiber in optical fiber component carry out being coupled and aligned including：
The underlay substrate for being fixed with the optoelectronic transceiver unit is fixed on coupling fine registration unit, by adjusting the coupling
Fine registration unit is closed so that the optoelectronic transceiver unit and at least one optical fiber in the optical fiber component are coupled and aligned.
8. manufacture method according to claim 7, it is characterised in that the coupling fine registration unit includes multi-dimensional displacement
Platform and angle turntable, by the adjustment multi-dimensional displacement platform and angle turntable so that the optoelectronic transceiver unit and the light
At least one optical fiber in fine component is coupled and aligned.
9. according to the arbitrary described manufacture method of claim 1-6, it is characterised in that described the optical fiber component is fixed to institute
State：The optical fiber component is fixed on the underlay substrate by adhesive means.
10. according to the arbitrary described manufacture method of claim 1-6, it is characterised in that also include：
The underlay substrate and drive circuit for being fixed with optical fiber component is fixed on metalwork.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611237003.2A CN106501908A (en) | 2016-12-28 | 2016-12-28 | A kind of manufacture method of optical-electric module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611237003.2A CN106501908A (en) | 2016-12-28 | 2016-12-28 | A kind of manufacture method of optical-electric module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106501908A true CN106501908A (en) | 2017-03-15 |
Family
ID=58334345
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611237003.2A Pending CN106501908A (en) | 2016-12-28 | 2016-12-28 | A kind of manufacture method of optical-electric module |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109324375A (en) * | 2018-10-11 | 2019-02-12 | 菲尼萨光电通讯(上海)有限公司 | Optical coupling device and its coupling process based on optical power scanning feedback |
| CN110018711A (en) * | 2019-04-12 | 2019-07-16 | 南京吉相传感成像技术研究院有限公司 | A kind of photoelectricity computing array and its Alignment Method |
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Application publication date: 20170315 |