CN106646784A - Wavelength division multiplexing light emission device based on array waveguide grating - Google Patents
Wavelength division multiplexing light emission device based on array waveguide grating Download PDFInfo
- Publication number
- CN106646784A CN106646784A CN201710090302.6A CN201710090302A CN106646784A CN 106646784 A CN106646784 A CN 106646784A CN 201710090302 A CN201710090302 A CN 201710090302A CN 106646784 A CN106646784 A CN 106646784A
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- Prior art keywords
- optical fiber
- array
- division multiplex
- wavelength
- fiber
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Classifications
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- 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
- G02B6/4204—Packages, e.g. shape, construction, internal or external details the coupling comprising intermediate optical elements, e.g. lenses, holograms
- G02B6/4215—Packages, e.g. shape, construction, internal or external details the coupling comprising intermediate optical elements, e.g. lenses, holograms the intermediate optical elements being wavelength selective optical elements, e.g. variable wavelength optical modules or wavelength lockers
-
- 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
- G02B6/4204—Packages, e.g. shape, construction, internal or external details the coupling comprising intermediate optical elements, e.g. lenses, holograms
- G02B6/421—Packages, e.g. shape, construction, internal or external details the coupling comprising intermediate optical elements, e.g. lenses, holograms the intermediate optical component consisting of a short length of fibre, e.g. fibre stub
-
- 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
- G02B6/4296—Coupling light guides with opto-electronic elements coupling with sources of high radiant energy, e.g. high power lasers, high temperature light sources
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J14/00—Optical multiplex systems
- H04J14/02—Wavelength-division multiplex systems
- H04J14/0201—Add-and-drop multiplexing
- H04J14/0202—Arrangements therefor
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Optical Integrated Circuits (AREA)
Abstract
The invention discloses a wavelength division multiplexing light emission device based on an array waveguide grating. The wavelength division multiplexing light emission device comprises a miniaturized encapsulation laser device, wherein the miniaturized encapsulation laser device is in coupling connection with an input end surface of a planar optical waveguide integrated wavelength division multiplexing chip sequentially through a ceramic plug core, a first connecting fiber and a four-channel fiber array, and an output end of the planar optical waveguide integrated wavelength division multiplexing chip is connected with a light output port through a second connecting fiber; and one end of the first connecting fiber is fixed in the four-channel fiber array, the end surface of one end of the first connecting fiber is polished to form a first coupling port of a fiber assembly, one end of the second connecting fiber is fixed in a glass capillary, and the end surface of one end of the second connecting fiber is polished to form a second coupling port of the fiber assembly. The wavelength division multiplexing light emission device based on the array waveguide grating has the beneficial effects that the encapsulation difficulty is low, the encapsulation efficiency is high, and the reliability and stability of an optical path are high; the preparation cost is low, and the coupling efficiency is high; the producibility is extremely strong, and the repairability is high; and the wavelength division multiplexing light emission device can be widely applied to the wavelength multiplexing of light emitting devices.
Description
Technical field
The present invention relates to optical signal launch technical field, specifically a kind of wavelength division multiplexed light based on array waveguide grating
Emitter part.
Background technology
Optical device is the foundation stone of optical communications module, and the innovation of its technical scheme is the key for breaking through optical module production bottleneck；
As data center and high-performance calculation application propose increasingly harsh requirement to optical assembly transfer rate and package dimension；
Address that need, IEEE organizes tailor IEEE802.ba specifications, the specification to specify that 40G is transmitted with 100G Ethernets
Standard, using CWDM/Lan-WDM wavelength-division multiplex techniques, realizes 40G/100G transfer rates, and meets the light of special package size
Device is the huge challenge that current optical communication field faces.
Existing CWDM/Lan-WD wavelength-division multiplex light emitting devices all employs the free space light path design side of filter plate
Case, light channel structure mostly is：Laser instrument is emitted light into after input port, is focused on by the first collimated, into filter set,
Multiple roundtrip realizes the multiplexing of wavelength in filter set, then again after the second lens group collimation focusing, will close after ripple
Light launch；Realize the multiplexing of light；Existing employing optical filter realizes the space optics structure that wavelength-division is demultiplexed, and light path is extremely
Complexity, first has to single filter unit to be accurately combined into a multi-channel filter group in certain sequence, then real again
Existing light input end mouth, at least two lens groups, the coupling of the light path of multi-channel filter group, coupling package difficulty is very big；The program
This four light paths of light laser, output port, lens group, multi-channel filter must are fulfilled for while unobstructed just can be coupled.
Coupling efficiency is low, and this runs in the opposite direction with optical device cost degradation, miniaturization, integrated developing direction；For these reasons,
In the urgent need to the optical device to prior art carries out technological improvement and improvement, to meet use demand.
The content of the invention
It is an object of the invention to provide a kind of encapsulation difficulty is low, packaging efficiency is high, stability and it is highly reliable based on
The wavelength-division multiplex light emitting devices of array waveguide grating, to solve the problems, such as above-mentioned background technology in propose.
For achieving the above object, the present invention provides following technical scheme：
A kind of wavelength-division multiplex light emitting devices based on array waveguide grating, including the integrated wavelength-division multiplex core of planar optical waveguide
Piece, small-sized encapsulated laser instrument and optical fiber component；The optical fiber component includes ceramic insertion core, the first coupling port, the second coupling
Port, the first connection optical fiber, the second connection optical fiber, four-way fiber array and one-channel optical fiber array；The first connection light
Fine one end is fixed in four-way fiber array, polished the first coupling port for forming optical fiber component of its end face, and with
The input end face coupling bonding of the integrated wavelength-division multiplex chip of planar optical waveguide, the other end of the first connection optical fiber passes through ceramic insertion core
It is connected with small-sized encapsulated laser instrument；One end of the second connection optical fiber is fixed in capillary glass tube, and its end face quilt
Polishing forms the second coupling port of optical fiber component, and one-channel optical fiber array is by the second coupling port and the integrated ripple of slab guide
Divide the output port coupling of multiplexing chip；The other end of the second connection optical fiber is provided with optical output port；The miniaturization
It is multiple that encapsulated laser passes sequentially through ceramic insertion core, the first connection optical fiber, four-way fiber array and the integrated wavelength-division of planar optical waveguide
It is of coupled connections with the input end face of chip.
As further scheme of the invention：The input of the four-way fiber array and one-channel optical fiber array as light
And output channel, respectively positioned at the integrated wavelength-division multiplex chip both sides of planar optical waveguide.
As further scheme of the invention：The four-way fiber array, one-channel optical fiber array and plane light wave
Lead integrated wavelength-division multiplex chip and there is identical port number and channel spacing.
As further scheme of the invention：The first connection optical fiber is input optical fibre, the second connection optical fiber is defeated
Go out optical fiber, and for single-core fiber.
As further scheme of the invention：The optical output port is LC optical interfaces.
Compared with prior art, the invention has the beneficial effects as follows：The present invention is applied to the wavelength multiplexing of light emitting devices；Fill
Point utilize the integrated wavelength-division multiplex chip of planar optical waveguide, the multiplexing of wavelength and demultiplexing can be realized in chip-scale, with it come
Replace space optics optical filter, it is to avoid numerous and diverse space optics assembling, packaging efficiency can be greatly improved, increase light path reliability
With stability；In addition optical fiber component passes in and out the passage of optical device as optical signal, is widely used in various optical passive component encapsulation.So
And in active optical component encapsulation field, not yet had using optical fiber component as light input channel particularly inside light emission component
Using；Replace the components such as input port, the lens in existing wavelength-division multiplex light emission component with optical fiber component, enter as light
The passage of wavelength-division multiplex light emission component, can avoid the Lens Coupling technique of complexity, greatly reduce optical device cost, improve
Coupling efficiency；Discrete space optics structure in existing light emission component is substituted for integrated, modular light by the present invention
Structure is learned, and makes full use of the integrated wavelength-division multiplex chip output face cold processing technique of planar optical waveguide further to simplify light path knot
Structure, greatly reduces the encapsulation difficulty of wavelength-division multiplex light emission component, packaging efficiency is improved, while also increasing light emission component
Stability and dependability；Productibility of the present invention is extremely strong, and each part is individually produced, and is spliced one by modular mode
Rise, reprocess conveniently, when any one path deterioration, need to only change the passage of damage, it is easy to maintenance, only need to complete plane
Coupling between the integrated wavelength-division multiplex chip of fiber waveguide and optical-fiber array assembly, enters without the need for each light path to laser instrument
Row is coupled and aligned, and optimizes the production efficiency of light emission component so that has reworkable property between optical transmitting set, reduces the life of device
Produce cost and use cost.
Description of the drawings
Fig. 1 is the structural representation of the present invention.
Wherein, the integrated wavelength-division multiplex chip of 1- planar optical waveguides；2- four-way fiber arrays；3- one-channel optical fiber arrays；
4- first connects optical fiber；5- small-sized encapsulated laser instruments；6- ceramic insertion cores；7- second connects optical fiber；The coupling ports of 8- first；9-
Second coupling port；10- optical output ports.
Specific embodiment
The technical scheme of this patent is described in more detail with reference to specific embodiment.
Refer to Fig. 1, a kind of wavelength-division multiplex light emitting devices based on array waveguide grating, including planar optical waveguide integrated
Wavelength-division multiplex chip 1, small-sized encapsulated laser instrument 5 and optical fiber component；The optical fiber component is coupled including ceramic insertion core 6, first
Port 8, the second coupling port 9, first connect the connection optical fiber 7 of optical fiber 4, second, four-way fiber array 2 and one-channel optical fiber battle array
Row 3；The input and output channel of the four-way fiber array 2 and one-channel optical fiber array 3 as light, respectively positioned at planar light
The integrated both sides of wavelength-division multiplex chip 1 of waveguide, four-way fiber array 2, one-channel optical fiber array 3 and the integrated wavelength-division of planar optical waveguide
Multiplexing chip 1 has identical port number and channel spacing.
The first connection optical fiber 4 is input optical fibre, and one end of the first connection optical fiber 4 is fixed on four-way fiber array
In 2, its end face it is polished formed optical fiber component the first coupling port 8, and with the integrated wavelength-division multiplex chip 1 of planar optical waveguide
Input end face couples bonding, and the other end of the first connection optical fiber 4 is connected by ceramic insertion core 6 with small-sized encapsulated laser instrument 5.
The second connection optical fiber 7 is output optical fibre, and for single-core fiber, one end of the second connection optical fiber 7 is fixed on
In capillary glass tube, and polished the second coupling port 9 for forming optical fiber component of its end face, one-channel optical fiber array 3 is by the
Two coupling ports 9 are coupled with the output port of the integrated wavelength-division multiplex chip 1 of slab guide.
The other end of the second connection optical fiber 7 is provided with optical output port 10, and optical output port 10 is LC optical interfaces, the
One connection optical fiber 4 is linked together by ceramic insertion core 6 with small-sized encapsulated laser instrument 5；The small-sized encapsulated laser instrument 5 leads to
Cross the input of the connection optical fiber 4 of ceramic insertion core 6, first, four-way fiber array 2 and the integrated wavelength-division multiplex chip 1 of planar optical waveguide
End coupling connects；Four wavelength Xs 1, λ 2, λ 3, the optical signal of λ 4 that small-sized encapsulated laser instrument 5 sends, by the first connection
It is input at optical fiber 4, passes sequentially through the first connection optical fiber 4, the first coupling port 8 and be coupled into the integrated wavelength-division multiplex of planar optical waveguide
Chip 1, realizes multiplexing in the integrated wavelength-division multiplex chip 1 of planar optical waveguide, and all the way optical signal passes through the second connection optical fiber 7 for synthesis
Launch with optical output port 10, complete the multiplexing of light.
The better embodiment of this patent is explained in detail above, but this patent is not limited to above-mentioned embodiment party
Formula, in the ken that one skilled in the relevant art possesses, can be with the premise of without departing from this patent objective
Make a variety of changes.
Claims (5)
1. a kind of integrated wavelength-division multiplex chip of wavelength-division multiplex light emitting devices based on array waveguide grating, including planar optical waveguide
(1), small-sized encapsulated laser instrument (5) and optical fiber component；It is characterized in that：The optical fiber component include ceramic insertion core (6), first
Coupling port (8), the second coupling port (9), the first connection optical fiber (4), the second connection optical fiber (7), four-way fiber array (2)
With one-channel optical fiber array (3)；One end of first connection optical fiber (4) is fixed in four-way fiber array (2), its end
Face it is polished formed optical fiber component the first coupling port (8), and with the input of the integrated wavelength-division multiplex chip (1) of planar optical waveguide
End coupling bonding, the other end of the first connection optical fiber (4) is connected by ceramic insertion core (6) with small-sized encapsulated laser instrument (5)；
One end of second connection optical fiber (7) is fixed in capillary glass tube, and its end face is polished forms the of optical fiber component
Two coupling ports (9), one-channel optical fiber array (3) is by the second coupling port (9) and the integrated wavelength-division multiplex chip of slab guide
(1) output port coupling；The other end of second connection optical fiber (7) is provided with optical output port (10)；The miniaturization
Encapsulated laser (5) passes sequentially through ceramic insertion core (6), the first connection optical fiber (4), four-way fiber array (2) and plane light wave
The input end face for leading integrated wavelength-division multiplex chip (1) is of coupled connections.
2. the wavelength-division multiplex light emitting devices based on array waveguide grating according to claim 1, it is characterised in that described
The input and output channel of four-way fiber array (2) and one-channel optical fiber array (3) as light, respectively positioned at planar optical waveguide
Integrated wavelength-division multiplex chip (1) both sides.
3., according to the arbitrary described wavelength-division multiplex light emitting devices based on array waveguide grating of claim 1-2, its feature exists
In the four-way fiber array (2), one-channel optical fiber array (3) and the integrated wavelength-division multiplex chip (1) of planar optical waveguide have
Identical port number and channel spacing.
4. the wavelength-division multiplex light emitting devices based on array waveguide grating according to claim 1, it is characterised in that described
First connection optical fiber (4) is input optical fibre, the second connection optical fiber (7) is output optical fibre, and for single-core fiber.
5. the wavelength-division multiplex light emitting devices based on array waveguide grating according to claim 1, it is characterised in that described
Optical output port (10) is LC optical interfaces.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710090302.6A CN106646784A (en) | 2017-02-20 | 2017-02-20 | Wavelength division multiplexing light emission device based on array waveguide grating |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710090302.6A CN106646784A (en) | 2017-02-20 | 2017-02-20 | Wavelength division multiplexing light emission device based on array waveguide grating |
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| CN106646784A true CN106646784A (en) | 2017-05-10 |
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| CN201710090302.6A Pending CN106646784A (en) | 2017-02-20 | 2017-02-20 | Wavelength division multiplexing light emission device based on array waveguide grating |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107479150A (en) * | 2017-09-15 | 2017-12-15 | 武汉联特科技有限公司 | A kind of four-way CWDM QSFP optical modules |
| CN108121040A (en) * | 2017-12-18 | 2018-06-05 | 江苏奥雷光电有限公司 | A kind of optical module |
| CN108418635A (en) * | 2017-08-24 | 2018-08-17 | 四川新易盛通信技术有限公司 | A kind of eight channel high rate optical sending devices |
| CN108508547A (en) * | 2018-03-27 | 2018-09-07 | 西安奇芯光电科技有限公司 | A kind of COMBO PON optical assemblies based on passive PLC optical waveguide techniques |
| CN108761670A (en) * | 2018-06-14 | 2018-11-06 | 青岛海信宽带多媒体技术有限公司 | A kind of optical module |
| CN110346886A (en) * | 2019-07-26 | 2019-10-18 | 索尔思光电（成都）有限公司 | Multichannel optically coupled system |
| WO2020007197A1 (en) * | 2018-07-06 | 2020-01-09 | 烽火通信科技股份有限公司 | Optical device for converting electricity into light |
| CN110954999A (en) * | 2019-12-27 | 2020-04-03 | 长飞光纤光缆股份有限公司 | Optical transceiver |
| EP4131801A4 (en) * | 2020-03-31 | 2024-04-17 | Accelink Technologies Co., Ltd. | Multi-channel light-receiving module |
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| US20030161583A1 (en) * | 2002-02-27 | 2003-08-28 | Yoshiki Kuhara | Wavelength-multiplexing connector, optical transmission device, and optical communication system |
| CN203840348U (en) * | 2014-03-10 | 2014-09-17 | 华星光通科技股份有限公司 | Replaceable light emitting module and optical transceiver carrying same |
| CN104184520A (en) * | 2013-05-24 | 2014-12-03 | 华为技术有限公司 | Optical branch assembly, passive optical network and optical transmission method |
| CN205427236U (en) * | 2015-10-15 | 2016-08-03 | 扬州瑞威光电科技有限公司 | Plane single scale intergration wavelength devision multiplex - demultiplexer |
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Patent Citations (4)
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| US20030161583A1 (en) * | 2002-02-27 | 2003-08-28 | Yoshiki Kuhara | Wavelength-multiplexing connector, optical transmission device, and optical communication system |
| CN104184520A (en) * | 2013-05-24 | 2014-12-03 | 华为技术有限公司 | Optical branch assembly, passive optical network and optical transmission method |
| CN203840348U (en) * | 2014-03-10 | 2014-09-17 | 华星光通科技股份有限公司 | Replaceable light emitting module and optical transceiver carrying same |
| CN205427236U (en) * | 2015-10-15 | 2016-08-03 | 扬州瑞威光电科技有限公司 | Plane single scale intergration wavelength devision multiplex - demultiplexer |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108418635A (en) * | 2017-08-24 | 2018-08-17 | 四川新易盛通信技术有限公司 | A kind of eight channel high rate optical sending devices |
| CN107479150A (en) * | 2017-09-15 | 2017-12-15 | 武汉联特科技有限公司 | A kind of four-way CWDM QSFP optical modules |
| CN107479150B (en) * | 2017-09-15 | 2020-12-04 | 武汉联特科技有限公司 | Four-channel coarse wavelength division multiplexing QSFP optical module |
| CN108121040A (en) * | 2017-12-18 | 2018-06-05 | 江苏奥雷光电有限公司 | A kind of optical module |
| CN108508547A (en) * | 2018-03-27 | 2018-09-07 | 西安奇芯光电科技有限公司 | A kind of COMBO PON optical assemblies based on passive PLC optical waveguide techniques |
| CN108761670A (en) * | 2018-06-14 | 2018-11-06 | 青岛海信宽带多媒体技术有限公司 | A kind of optical module |
| WO2020007197A1 (en) * | 2018-07-06 | 2020-01-09 | 烽火通信科技股份有限公司 | Optical device for converting electricity into light |
| CN110346886A (en) * | 2019-07-26 | 2019-10-18 | 索尔思光电（成都）有限公司 | Multichannel optically coupled system |
| CN110954999A (en) * | 2019-12-27 | 2020-04-03 | 长飞光纤光缆股份有限公司 | Optical transceiver |
| EP4131801A4 (en) * | 2020-03-31 | 2024-04-17 | Accelink Technologies Co., Ltd. | Multi-channel light-receiving module |
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Application publication date: 20170510 |