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CN109001874A - Device and coupling process for optical chip and pigtail coupling - Google Patents

Device and coupling process for optical chip and pigtail coupling Download PDF

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Publication number
CN109001874A
CN109001874A CN201811231725.6A CN201811231725A CN109001874A CN 109001874 A CN109001874 A CN 109001874A CN 201811231725 A CN201811231725 A CN 201811231725A CN 109001874 A CN109001874 A CN 109001874A
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China
Prior art keywords
base
optical chip
cylinder
optical fiber
pigtail
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Granted
Application number
CN201811231725.6A
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Chinese (zh)
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CN109001874B (en
Inventor
王四俊
陈浩杰
袁青山
朱子超
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Shenzhen Li Zi Photoelectric Technology Co Ltd
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Shenzhen Li Zi Photoelectric Technology Co Ltd
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Priority to CN201811231725.6A priority Critical patent/CN109001874B/en
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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
    • G02B6/4228—Passive alignment, i.e. without a detection of the degree of coupling or the position of the elements
    • 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

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Couplings Of Light Guides (AREA)

Abstract

The invention discloses a kind of devices for optical chip and pigtail coupling, it include: the cylinder for being used to fix tail optical fiber set on optical chip side, tail optical fiber includes the optical fiber and lock pin being connected, wherein, optical fiber protrudes into cylinder from cylinder one end, and lock pin stretches out and opposite with optical chip from the cylinder other end；Support the pedestal of cylinder, the cylinder can opposite base moved along Z-direction, to adjust the distance between tail optical fiber and optical chip, the cylinder can also opposite base move along the y axis, to adjust tail optical fiber and optical chip in the offset of Y direction；And the pedestal of support base and optical chip, the cylinder and pedestal can deviate along the x axis as a whole relative to pedestal, to adjust tail optical fiber and optical chip in the offset of X-direction.The invention discloses the coupling process of also a kind of optical chip and tail optical fiber to reduce the coupling precision requirement of optical chip and tail optical fiber provided by the present invention for the device and coupling process of optical chip and pigtail coupling, and yields is high.

Description

Device and coupling process for optical chip and pigtail coupling
Technical field
The present invention relates to optical communication technology fields, specifically, being related to a kind of device for optical chip and pigtail coupling And coupling process.
Background technique
In optical communication field, light emitting chip or light-receiving chip need to be coupled with tail optical fiber, realize all kinds of function Energy.Since the modulation rate of optical module constantly upgrades, the coupling precision requirement of optical chip and tail optical fiber is being continuously improved.And it is existing Since its structure limits, adjustment positioning relative difficulty influences the coupling accuracy of optical chip and tail optical fiber, reduces whole the tail optical fiber of technology Body yields.
Meanwhile the coupling of the multi-chip of the prior art and more tail optical fibers, since tail optical fiber adjusts positioning relative difficulty, thus it is general first Tail optical fiber is adjusted and is fixed, it is later that optical chip is coupled thereto.In coupling process, since the coupling of multiple optical chips need to be encapsulated once It is good, do not allow to be staggered, chip otherwise can be allowed impaired.The multiple optical chips once encapsulated further improve the difficulty of coupling.
Summary of the invention
The purpose of the present invention is to provide a kind of devices and coupling process for optical chip and pigtail coupling, reduce light The coupling precision requirement of chip and tail optical fiber.
It is disclosed by the invention to be for technical solution used by the device and coupling process of optical chip and pigtail coupling:
A kind of device for optical chip and pigtail coupling, comprising: it is used to fix the cylinder of tail optical fiber set on optical chip side, Tail optical fiber includes the optical fiber and lock pin being connected, wherein optical fiber protrudes into cylinder from cylinder one end, and lock pin stretches out simultaneously from the cylinder other end It is opposite with optical chip；Support cylinder pedestal, the cylinder can opposite base moved along Z-direction, to adjust tail optical fiber and light core The distance between piece, the cylinder can also opposite base move along the y axis, to adjust tail optical fiber and optical chip in Y direction Offset；And the pedestal of support base and optical chip, the cylinder and pedestal as a whole can be with respect to pedestals along X-axis Direction offset, to adjust tail optical fiber and optical chip in the offset of X-direction.
Preferably, the cylinder side-facing depressions form the accommodation groove for accommodating tail optical fiber, described accommodation groove one end One end face of cylinder is extended through along Barrel alignment direction, the accommodation groove other end connects with lock pin.
Preferably, the accommodating groove bottom is in the arc-shaped being harmonious with tail optical fiber, the accommodating groove bottom of arc-shaped Center line is overlapped with the center line of accommodating hole.
Preferably, the accommodating groove width is harmonious with tail optical fiber.
Preferably, the cylinder is divided into big head section and supporting section, and the pedestal is opposite with supporting section, described big Head end and supporting section junction form the step for hindering cylinder mobile.
Preferably, the supporting section of the cylinder has opposite two sides, and two sides are towards cylinder Center retraction.
Preferably, the two sides of the supporting section and the bottom surface of supporting section are plane, the base bottom surface The side of two lateral edge supporting sections extends to form the two sidewalls of pedestal.
Preferably, the sum of width of thickness and supporting section of the two sidewalls of the pedestal is not more than the two of stub end Width between side.
Beneficial effect disclosed by the invention for optical chip and the device of pigtail coupling is: tail optical fiber is fixed in cylinder, Its lock pin is opposite with optical chip.Cylinder can opposite base moved along Z-direction, to adjust the distance between tail optical fiber and optical chip. Cylinder can also opposite base move along the y axis, to adjust tail optical fiber and optical chip in the offset of Y direction.Cylinder and base Seat can deviate along the x axis relative to pedestal, to adjust tail optical fiber and optical chip in the offset of X-direction.Therefore present specification The device for optical chip and pigtail coupling so that tail optical fiber adjustment it is relatively easy, improve the yields of male part.
Invention additionally discloses the coupling process of a kind of optical chip and tail optical fiber, comprising: provides lock pin, cylinder and optical fiber, will insert Core is pressed into cylinder one end, accesses lock pin and fixation after optical fiber is stripped outer coating；The separate cylinder end of the lock pin of optical fiber will be connected to It grinds 8 degree of angles and polishes in face；Pedestal is provided, cylinder is placed in pedestal together with lock pin, the optical fiber being fixed on cylinder；Bottom is provided Optical chip is set on heat sink, then be fixed on the base heat sink, while pedestal is placed in pedestal by seat, heat sink and optical chip； In the mobile cylinder of Z-direction together with lock pin, the optical fiber being fixed on cylinder, to adjust the distance between lock pin and optical chip to the One preset value simultaneously positions；In the mobile cylinder of Y direction together with lock pin, the optical fiber being fixed on cylinder, to adjust lock pin and light core Piece Y direction offset to the second preset value, cylinder is fixed on pedestal by dispensing after positioning；In X-direction mobile foundation Together with cylinder, lock pin, optical fiber, with adjust lock pin and optical chip X-direction offset to third preset value, and dispensing is by base Seat is fixed on pedestal.
A kind of beneficial effect of the coupling process of optical chip and tail optical fiber disclosed by the invention is: first optical chip being fixed and sealed Dress, the relative position due to the adjustment process before encapsulation without adjustment and tail optical fiber, it is only necessary to the position between optical chip is controlled, compared with The encapsulation difficulty of optical chip is reduced in big degree.Meanwhile the device of optical chip and pigtail coupling is used for by this, so that subsequent Tail optical fiber adjustment is relatively easy, accurate, improves the efficiency and yields of male part entirety.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the present invention for optical chip and the device of pigtail coupling.
Specific embodiment
The present invention is further elaborated and is illustrated with Figure of description combined with specific embodiments below:
Referring to FIG. 1, a kind of device for optical chip and pigtail coupling, including 10 side of optical chip is set to for fixing The pedestal 30 of the cylinder 50 of tail optical fiber 40, the pedestal 20 for supporting cylinder 50 and support base 20 and optical chip 10.
Tail optical fiber 40 includes the optical fiber 41 and lock pin 42 being connected, wherein optical fiber 41 protrudes into cylinder 50 from 50 one end of cylinder, inserts Core 42 is from the stretching of 50 other end of cylinder and opposite with optical chip 10.The appearance for accommodating and fixing tail optical fiber 40 is offered in lock pin 42 Set hole.Optical chip 10 is set on heat sink 11 to radiate.
Cylinder 50 is that metal material is made, and side-facing depressions form the accommodation groove 51 for accommodating tail optical fiber 40, accommodation groove 51 One end extends through 50 1 end face of cylinder along 50 centerline direction of cylinder, and 51 other end of accommodation groove connects with lock pin 42.Accommodating 51 bottom surface of slot is in the arc-shaped being harmonious with tail optical fiber 40, the center line of 51 bottom surface of accommodation groove of arc-shaped and the center line weight of accommodating hole It closes.51 width of accommodation groove is harmonious with tail optical fiber 40.Aperture compared with prior art and protrude into optical fiber 41 in hole connects with lock pin 42 Mode, accommodation groove 51 makes the reliability of connection higher, and accelerates assembling speed.
Cylinder 50 divides for big head section 52 and supporting section 53, and pedestal 20 and supporting section 53 are opposite, big head section 52 and supporting section 53 junctions form the step for hindering cylinder 50 mobile.The two sidewalls of pedestal 20 be shorter in length than the bottom lengths of pedestal 20 with Evacuation area is formed, the side of pedestal 20 is avoided to interfere with adjacent big head section 52.
The supporting section 53 of cylinder 50 has opposite two sides 531, and two sides 531 bounce back towards the center of cylinder 50. The two sides 531 of supporting section 53 and the bottom surface of supporting section 53 are plane, to reduce difficulty of processing, while guaranteeing the pedestal of support The reliability of 20 supports.The side 531 of two lateral edge supporting sections 53 of 20 bottom surface of pedestal extends to form the two sidewalls of pedestal 20.Its In, the sum of thickness and the width of supporting section 53 of the two sidewalls of pedestal 20 are not more than the width between the two sides of big head section.
The length direction of cylinder 50 is defined as Z-direction, the short transverse of cylinder 50 is defined as Y direction, by cylinder The width direction of body 50 is defined as X-direction.Cylinder 50 can opposite base 20 moved along Z-direction, to adjust tail optical fiber 40 and light The distance between chip 10, cylinder 50 can also opposite base 20 move along the y axis, to adjust tail optical fiber 40 and optical chip 10 in Y The offset of axis direction.Cylinder 50 and pedestal 20 can deviate along the x axis as a whole relative to pedestal 30, to adjust tail Fibre 40 with optical chip 10 X-direction offset.
The device disclosed by the invention coupled for optical chip 10 with tail optical fiber 40, tail optical fiber 40 are fixed in cylinder 50, lock pin 42 is opposite with optical chip 10.Cylinder 50 can opposite base 20 moved along Z-direction, to adjust between tail optical fiber 40 and optical chip 10 Distance.Cylinder 50 is gone back opposite base 20 and is moved along the y axis, to adjust tail optical fiber 40 and optical chip 10 in the offset of Y direction. Cylinder 50 and pedestal 20 can deviate along the x axis relative to pedestal 30, to adjust tail optical fiber 40 and optical chip 10 in X-direction Offset.Therefore the device of present specification coupled with tail optical fiber 40 for optical chip 10 mentions so that tail optical fiber 40 adjusts relatively easy The high yields of male part.
Invention additionally discloses the coupling process of a kind of optical chip 10 and tail optical fiber 40, comprising:
Lock pin 42, cylinder 50 and optical fiber 41 are provided, lock pin 42 is pressed into 50 one end of cylinder, after optical fiber 41 is stripped outer coating It accesses lock pin 42 and fixes.
By 50 end surface grinding of separate cylinder, the 8 degree of angles for the lock pin 42 for being connected to optical fiber 41 and polish.
Pedestal 20 is provided, cylinder 50 is placed in pedestal 20 together with lock pin 42, the optical fiber 41 being fixed on cylinder 50.
Pedestal 30, heat sink 11 and optical chip 10 are provided, optical chip 10 is set on heat sink 11, then be fixed on bottom for heat sink 11 On seat 30, while pedestal 20 is placed in pedestal 30.
In the mobile cylinder 50 of Z-direction together with lock pin 42, the optical fiber 41 being fixed on cylinder 50, to adjust lock pin 42 and light The distance between chip 10 is to the first preset value and positions.
In the mobile cylinder 50 of Y direction together with lock pin 42, the optical fiber 41 being fixed on cylinder 50, to adjust lock pin 42 and light Chip 10 Y direction offset to the second preset value, cylinder 50 is fixed on pedestal 20 by dispensing after positioning.
In X-direction mobile foundation 20 together with cylinder 50, lock pin 42, optical fiber 41, to adjust lock pin 42 and optical chip 10 in X The offset of axis direction is to third preset value, and pedestal 20 is fixed on pedestal 30 by dispensing.
The beneficial effect of a kind of optical chip 10 disclosed by the invention and the coupling process of tail optical fiber 40 is: first consolidating optical chip 10 Determine and encapsulate, due to encapsulation before adjustment process without adjustment and tail optical fiber 40 relative position, it is only necessary to control optical chip 10 it Between position, largely reduce the encapsulation difficulty of optical chip 10.Meanwhile by this for optical chip 10 and 40 coupling of tail optical fiber The device of conjunction improves the efficiency and yields of male part entirety so that subsequent tail optical fiber 40 adjusts relatively easy, accurate.
Finally it should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention, rather than the present invention is protected The limitation of range is protected, although explaining in detail referring to preferred embodiment to the present invention, those skilled in the art are answered Work as understanding, it can be with modification or equivalent replacement of the technical solution of the present invention are made, without departing from the reality of technical solution of the present invention Matter and range.

Claims (9)

1.一种用于光芯片与尾纤耦合的装置，其特征在于，包括：1. A device for optical chip and pigtail coupling, characterized in that, comprising: 设于光芯片一侧用于固定尾纤的筒体,尾纤包括相连接的光纤与插芯，其中，光纤自筒体一端伸入筒体，插芯自筒体另一端伸出并与光芯片相对；A barrel for fixing the pigtail on one side of the optical chip. The pigtail includes a connected optical fiber and a ferrule. The optical fiber extends into the barrel from one end of the barrel, and the ferrule extends from the other end of the barrel to connect with the optical fiber. chip relative; 支撑筒体的基座，所述筒体可相对基座沿Z轴方向移动，以调整尾纤与光芯片之间的距离，所述筒体还可相对基座沿Y轴方向移动，以调整尾纤与光芯片在Y轴方向的偏移量；以及The base supporting the cylinder, the cylinder can move relative to the base along the Z axis to adjust the distance between the pigtail and the optical chip, and the cylinder can also move relative to the base along the Y axis to adjust The offset between the pigtail and the optical chip in the Y-axis direction; and 支撑基座与光芯片的底座，所述筒体以及基座作为一个整体可相对底座沿X轴方向偏移，以调整尾纤与光芯片在X轴方向的偏移量。The support base and the base of the optical chip, the barrel and the base as a whole can be offset relative to the base along the X-axis direction, so as to adjust the offset between the pigtail and the optical chip in the X-axis direction. 2.如权利要求1所述的用于光芯片与尾纤耦合的装置，其特征在于，所述筒体侧面凹陷形成用于容置尾纤的容置槽，所述容置槽一端沿筒体中心线方向延伸并贯穿筒体一端面，所述容置槽另一端与插芯相接。2. The device for coupling an optical chip to a pigtail as claimed in claim 1, wherein the side of the barrel is recessed to form an accommodating groove for accommodating the pigtail, and one end of the accommodating groove is along the length of the barrel. The body centerline extends and runs through one end surface of the cylinder body, and the other end of the accommodating groove is connected with the ferrule. 3.如权利要求2所述的用于光芯片与尾纤耦合的装置，其特征在于，所述容置槽底面呈与尾纤相合的圆弧状，圆弧状的容置槽底面的中心线与容置孔的中心线重合。3. The device for coupling an optical chip to a pigtail as claimed in claim 2, wherein the bottom surface of the accommodating groove is in the shape of an arc matching the pigtail, and the center of the bottom surface of the arc-shaped accommodating groove is line coincides with the centerline of the receiving hole. 4.如权利要求3所述的用于光芯片与尾纤耦合的装置，其特征在于，所述容置槽宽度与尾纤相合。4. The device for coupling an optical chip to a pigtail according to claim 3, wherein the width of the accommodating groove matches the pigtail. 5.如权利要求1-4任一项所述的用于光芯片与尾纤耦合的装置，其特征在于，所述筒体分为大头段以及支撑段，所述基座与支撑段相对，所述大头端与支撑段连接处形成用于阻碍筒体移动的台阶。5. The device for coupling an optical chip and a pigtail according to any one of claims 1-4, wherein the barrel is divided into a bulk section and a support section, the base is opposite to the support section, The connection between the big end and the support section forms a step for hindering the movement of the barrel. 6.如权利要求5所述的用于光芯片与尾纤耦合的装置，其特征在于，所述筒体的支撑段具有相对的两侧面，两个所述侧面朝向筒体的中心回缩。6 . The device for coupling an optical chip to a pigtail according to claim 5 , wherein the supporting section of the barrel has two opposite sides, and the two sides retract toward the center of the barrel. 7 . 7.如权利要求6所述的用于光芯片与尾纤耦合的装置，其特征在于，所述支撑段的两侧面与支撑段的底面均为平面，所述基座底面的两侧沿支撑段的侧面延伸形成基座的两侧壁。7. The device for coupling an optical chip to a pigtail as claimed in claim 6, wherein the two sides of the support section and the bottom surface of the support section are planes, and the two sides of the bottom surface of the base are supported along the The sides of the segments extend to form side walls of the base. 8.如权利要求7所述的用于光芯片与尾纤耦合的装置，其特征在于，所述基座的两侧壁的厚度与支撑段的宽度之和不大于大头端的两侧面之间的宽度。8. The device for coupling an optical chip to a pigtail as claimed in claim 7, wherein the sum of the thickness of the two side walls of the base and the width of the supporting section is not greater than the distance between the two sides of the big end. width. 9.一种如权利要求1-8所述的光芯片与尾纤的耦合方法，其特征在于，包括:9. a coupling method of optical chip and pigtail as claimed in claim 1-8, is characterized in that, comprises: 提供插芯、筒体和光纤，将插芯压入筒体一端，将光纤剥除外披覆后接入插芯并固定；Provide ferrule, cylinder and optical fiber, press the ferrule into one end of the cylinder, strip the outer coating of the optical fiber, insert it into the ferrule and fix it; 将接有光纤的插芯的远离筒体端面研磨8度角并抛光；Grind and polish the end face of the ferrule connected with the optical fiber at an angle of 8 degrees away from the barrel; 提供基座，将筒体连同固定在筒体上的插芯、光纤放置于基座；Provide a base, place the cylinder together with the ferrule and optical fiber fixed on the cylinder on the base; 提供底座、热沉和光芯片，将光芯片设于热沉上，再将热沉固定在底座上，同时将基座放置于底座；Provide the base, heat sink and optical chip, set the optical chip on the heat sink, fix the heat sink on the base, and place the base on the base; 在Z轴方向移动筒体连同固定在筒体上的插芯、光纤，以调整插芯与光芯片之间的距离至第一预设值并定位；Moving the barrel together with the ferrule and optical fiber fixed on the barrel in the Z-axis direction to adjust the distance between the ferrule and the optical chip to a first preset value and position it; 在Y轴方向移动筒体连同固定在筒体上的插芯、光纤，以调整插芯与光芯片在Y轴方向的偏移量至第二预设值，定位后点胶将筒体固定于基座；Move the barrel together with the ferrule and optical fiber fixed on the barrel in the Y-axis direction to adjust the offset between the ferrule and the optical chip in the Y-axis direction to the second preset value. After positioning, dispense glue to fix the barrel on the base; 在X轴方向移动基座连同筒体、插芯、光纤，以调整插芯与光芯片在X轴方向的偏移量至第三预设值，并点胶将基座固定于底座。Moving the base together with the barrel, the ferrule, and the optical fiber in the X-axis direction to adjust the offset between the ferrule and the optical chip in the X-axis direction to a third preset value, and dispensing glue to fix the base to the base.
CN201811231725.6A 2018-10-22 2018-10-22 Device and coupling method for coupling optical chip and pigtail Active CN109001874B (en)

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CN109001874B CN109001874B (en) 2023-10-13

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101266322A (en) * 2007-03-12 2008-09-17 深圳太辰光通信有限公司 Multi-core optical fiber connector
CN202512269U (en) * 2012-03-29 2012-10-31 浙江万马集团电子有限公司 quick connector capable of quickly connecting and opening
CN103995325A (en) * 2014-06-11 2014-08-20 苏州旭创科技有限公司 Optical transceiver module
CN107608039A (en) * 2017-09-19 2018-01-19 青岛海信宽带多媒体技术有限公司 A kind of optical module
US20180224616A1 (en) * 2017-02-03 2018-08-09 Truelight Corporation High-speed multi-channel optical transmitter module and method for fabricating the same
CN208833963U (en) * 2018-10-22 2019-05-07 深圳市力子光电科技有限公司 Device for optical chip and pigtail coupling

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101266322A (en) * 2007-03-12 2008-09-17 深圳太辰光通信有限公司 Multi-core optical fiber connector
CN202512269U (en) * 2012-03-29 2012-10-31 浙江万马集团电子有限公司 quick connector capable of quickly connecting and opening
CN103995325A (en) * 2014-06-11 2014-08-20 苏州旭创科技有限公司 Optical transceiver module
US20180224616A1 (en) * 2017-02-03 2018-08-09 Truelight Corporation High-speed multi-channel optical transmitter module and method for fabricating the same
CN107608039A (en) * 2017-09-19 2018-01-19 青岛海信宽带多媒体技术有限公司 A kind of optical module
CN208833963U (en) * 2018-10-22 2019-05-07 深圳市力子光电科技有限公司 Device for optical chip and pigtail coupling

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