CN106054329A - Optical transceiver - Google Patents
Optical transceiver Download PDFInfo
- Publication number
- CN106054329A CN106054329A CN201610573793.5A CN201610573793A CN106054329A CN 106054329 A CN106054329 A CN 106054329A CN 201610573793 A CN201610573793 A CN 201610573793A CN 106054329 A CN106054329 A CN 106054329A
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- CN
- China
- Prior art keywords
- light
- installing hole
- optical filter
- laser
- wavelength
- 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
- G02B6/4246—Bidirectionally operating package structures
-
- 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
- G02B6/4219—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
- G02B6/4244—Mounting of the optical 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
- G02B6/4245—Mounting of the opto-electronic 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
- G02B6/4296—Coupling light guides with opto-electronic elements coupling with sources of high radiant energy, e.g. high power lasers, high temperature light sources
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Optical Couplings Of Light Guides (AREA)
Abstract
The embodiment of the invention provides an optical transceiver, which comprises a body, two laser transmitters, two laser receivers, an optical fiber adapter and corresponding filters, wherein a cavity is formed inside the body; the body is provided with mounting holes communicated with the cavity for accommodating the laser transmitters, the laser receivers and the optical fiber adapter; the filters enable light of different wavelengths transmitted by the two laser transmitters to be propagated to the optical fiber adapter, and the light of different wavelengths received by the optical fiber adapter are propagated to corresponding laser receivers; and longitudinal center axes of the two laser transmitters, the two laser receivers and the optical fiber adapter are located on the same plane. In the optical transceiver, light is propagated in the same two-dimensional plane rather than a three-dimensional plane, corresponding devices can be distributed in the same plane rather than three-dimensional space, and thus, the optical transceiver can be made smaller and thinner.
Description
Technical field
The present invention relates to optical communication field, be specifically related to a kind of optical transceiver.
Background technology
Along with the application of fiber optic network is more and more universal, intelligent acess (FTTH, Fiber To The the most all over the world
Home) project is progressively implemented, and point-to-point data transmission, the particularly propelling of unification of three nets, and fiber to the home network from
EPON and GPON is upgraded to fiber to the home network (XGPON) of future generation, the situation of mixed networking occurs, for single fiber four on market
The most increasing to the demand of assembly, that especially certain two wavelength interval is the narrowest single fiber four-way assembly.Such as, along with high bandwidth
Business flourish, numerous operators select the GPON upgrading to XG-PON1 one after another, to tackle the most urgent band
Wide pressure.
Traditional upgrading scheme is external conjunction ripple speed-increasing plan, i.e. uses outside wave multiplexer part, by this outside wave multiplexer
Part is by the optical signal conjunction ripple of GPON and XG-PON1 to same ODN network.But external conjunction ripple speed-increasing plan needs newly-increased multiple
Equipment, construction cost is high, it is big to take machine room space, optical fiber connects up the series such as complicated, operation maintenance is difficult to cause upgrading scheme to exist
Problem.
In order to solve an above-mentioned difficult problem, it is necessary to integrated for the optical transceiver module of GPON and XG-PON1 in the same module.
And in such module, light transmitting-receiving subassembly needs to be four-way, and its package dimension want sufficiently small can be only achieved XFP or
The international standard dimensional requirement of SFP.
Summary of the invention
The application provides a kind of optical transceiver, its transmission of light being capable of four wavelength and reception, and has more
Little thinner volume.
According to first aspect, providing a kind of optical transceiver in a kind of embodiment, this optical transceiver includes body, the first laser
Emitter, the second generating laser, the first laser pickoff, the second laser pickoff, fiber adapter, the first optical filter,
Two optical filters, the 3rd optical filter and the 4th optical filter.Body interior forms cavity, and body is provided with the first installing hole, the second peace
Dress hole, the 3rd installing hole, the 4th installing hole and the 5th installing hole, this first installing hole, the second installing hole, the 3rd installing hole, the
Four installing holes and the 5th installing hole connect with cavity.First generating laser is arranged in the first installing hole, the second Laser emission
Device is arranged in the second installing hole, and the first laser pickoff is arranged in the 3rd installing hole, and the second laser pickoff is arranged on
In four installing holes, fiber adapter is arranged in the 5th installing hole.First optical filter is arranged in cavity, and transmission first swashs
The light of the first wave length that optical transmitting set sends is to fiber adapter, and the light of second wave length that reflected second laser emitter sends
To fiber adapter.Second optical filter, the 3rd optical filter and the 4th optical filter are arranged in cavity, second optical filter reflection by
The light of the 3rd wavelength in the light that fiber adapter is incident and the light of the 4th wavelength to the 3rd optical filter, the 3rd filter transmission the
The light of three wavelength reflects the light of the 4th wavelength to the 4th optical filter to the first laser pickoff, the 4th filter transmission the 4th ripple
Long light is to the second laser pickoff.First generating laser, the second generating laser, the first laser pickoff, the second laser
Longitudinal center's axis of receptor and fiber adapter is positioned at approximately the same plane.
In some embodiments of the present invention, the 3rd wavelength and the 4th wavelength differ 10 nanometers.
In some embodiments of the present invention, the second optical filter is arranged between fiber adapter and the first optical filter, and
The light of transmission first wave length and the light of second wave length are to fiber adapter.
In some embodiments of the present invention, first wave length, second wave length, the 3rd wavelength and the 4th wavelength are differing from each other.
In the optical transceiver of the embodiment of the present invention, light is propagated in same two dimensional surface, rather than passes in three-dimensional planar
Broadcasting, the first generating laser, the second generating laser, the first laser pickoff, the second laser pickoff and fiber adapter can
To arrange in the same plane (i.e. its longitudinal center's axis is in the same plane), rather than it is distributed in three dimensions.Therefore, should
It is the least thinner that the volume of optical transceiver can do, thus meets the international standard dimensional requirement of XFP or SFP.
Accompanying drawing explanation
Fig. 1 is the schematic perspective view of the optical transceiver of one embodiment of the invention；
Fig. 2 is the exploded perspective schematic diagram of one embodiment of the invention；
Fig. 3 is the schematic cross-section of one embodiment of the invention；
Fig. 4 is the cross section exploded perspective view of one embodiment of the invention.
Detailed description of the invention
Combine accompanying drawing below by detailed description of the invention the present invention is described in further detail.
Referring to figs. 1 to Fig. 4, in some embodiments of the present invention, a kind of optical transceiver can include body the 1, first laser
Emitter the 2, second generating laser the 3, first laser pickoff the 4, second laser pickoff 5 and fiber adapter 6.
See Fig. 4, body 1 be internally formed cavity 20.First installing hole the 11, second installing hole it is additionally provided with on body 1
12, the 3rd installing hole the 13, the 4th installing hole 14 and the 5th installing hole 15.This first installing hole 11, second installing hole the 12, the 3rd is pacified
Dress hole the 13, the 4th installing hole 14 connects with cavity 20 with the 5th installing hole 15 so that light can be from being arranged on these installing holes
Device (described below) in one or more launch and propagate in the cavity, and enter be arranged on these install
The another one in device in hole or multiple.In certain embodiments, this first installing hole 11, second installing hole 12,
Three installing hole the 13, the 4th installing holes 14 and the 5th installing hole 15 can be arranged with surrounding cavity 20.In certain embodiments, first
Longitudinal center's axis of installing hole the 11, second installing hole the 12, the 3rd installing hole the 13, the 4th installing hole 14 and the 5th installing hole 15 can
To be positioned at approximately the same plane.Such as, in some embodiments, first installing hole the 11, second installing hole the 12, the 3rd installing hole 13,
4th installing hole 14 and the 5th installing hole 15 can be cylindrical, and longitudinal center's axis of these cylindrical installing holes can
With in approximately the same plane." longitudinally " mentioned here may refer to be arranged on the installation direction of the device in these installing holes.
First generating laser 2 may be mounted in the first installing hole 11.Such as, in some embodiments, the first laser is sent out
Emitter 2 can by welding, binding agent is bonding, threaded, snap connection or other connected modes being suitable for are arranged on the
In one installing hole 11.First generating laser 2 can launch the light with first wave length.
Second generating laser 3 may be mounted in the second installing hole 12.Such as, in some embodiments, the second laser is sent out
Emitter 3 can by welding, binding agent is bonding, threaded, snap connection or other connected modes being suitable for are arranged on the
In two installing holes 12.Second generating laser 3 can launch the light with second wave length.
First laser pickoff 4 may be mounted in the 3rd installing hole 13.Such as, in some embodiments, the first laser connects
Receive device 4 can by welding, binding agent is bonding, threaded, snap connection or other connected modes being suitable for are arranged on the
In three installing holes 13.First laser pickoff 4 can receive the light with the 3rd wavelength.
Second laser pickoff 5 may be mounted in the 4th installing hole 14.Such as, in some embodiments, the second laser connects
Receive device 5 can by welding, binding agent is bonding, threaded, snap connection or other connected modes being suitable for are arranged on the
In four installing holes 14.Second laser pickoff 5 can receive the light with the 4th wavelength.
Fiber adapter 6 may be mounted in the 5th installing hole 15.Such as, in some embodiments, fiber adapter 6 is permissible
By welding, binding agent is bonding, threaded, snap connection or other connected modes being suitable for are arranged on the 5th installing hole 15
In.Fiber adapter 6 may be coupled to external fiber, thus will come from the first generating laser 2 or the second Laser emission
The light of device 3 is sent to external fiber, or the light coming from outside is sent to the first laser pickoff 4 or the second laser connects
Receive device 5.
In embodiments of the invention, optical transceiver can also include first optical filter the 7, second optical filter the 8, the 3rd optical filter
9 and the 4th optical filter 10.
Seeing Fig. 3 and Fig. 4, first optical filter the 7, second optical filter the 8, the 3rd optical filter 9 and the 4th optical filter 10 are respectively provided with
In the cavity 20 of body 1.Such as, in some embodiments, first optical filter the 7, second optical filter the 8, the 3rd optical filter 9 and the 4th
Optical filter 10 can be bonded in the appropriate location in cavity 20 by binding agent.
In embodiments of the invention, first generating laser the 2, second generating laser the 3, first laser pickoff 4, second
Laser pickoff 5, fiber adapter the 6, first optical filter the 7, second optical filter the 8, the 3rd optical filter 9 and the 4th optical filter 10 these
Relative position between element and angle and the first optical filter the 7, second optical filter the 8, the 3rd optical filter 9 and the 4th optical filter
10 optical properties (such as, transmitance matter or light reflectance properties, etc.) itself can be arranged, flexibly as long as it arranges energy
Enough meet light propagation path described in detail below.
First generating laser 2 can send the light with first wave length.The light of this first wave length travels to the first optical filtering
On sheet 7, and incide fiber adapter 6 through the first optical filter 7.That is, the first generating laser 2 is sent by the first optical filter 7
The light with first wave length be transmitted to fiber adapter 6.
Second generating laser 3 can send the light with second wave length.The light of this second wave length incides the first optical filtering
On sheet 7.First optical filter 7 by the luminous reflectance of this second wave length to fiber adapter 6.Here, the first optical filter 7 can be fully
Or partly reflect the light of this second wave length.
I.e., in certain embodiments, the light of the first optical filter 7 transmission first wave length and reflect the light of second wave length.
Fiber adapter 6 can be comprised from external reception light, this light by optical fiber and has the light of the 3rd wavelength and divide
Measure and have the light component (being referred to as light and the light of the 4th wavelength of the 3rd wavelength separately below) of the 4th wavelength.This light is injected
After fiber adapter 6, this fiber adapter 6 penetrate, incide the second optical filter 8.This second optical filter 8 is by the therein 3rd
The light of wavelength and the luminous reflectance of the 4th wavelength are to the 3rd optical filter 9.3rd optical filter 9 makes the light transmission from which of the 3rd wavelength
And incide the first laser pickoff 4, and make the light of the 4th wavelength reflect from it the 4th optical filter 10.4th optical filter 10
Make the light transmission from which of the 4th wavelength and incide the second laser pickoff 5.
I.e., in certain embodiments, the second optical filter 8 reflects light and the light of the 4th wavelength of the 3rd wavelength, and the 3rd filters
The light of sheet 9 transmission the 3rd wavelength is incident upon the first laser pickoff 4 and reflects the light of the 4th wavelength, and the 4th optical filter 10
The light of transmission the 4th wavelength is incident upon the second laser pickoff 5.
So, by aforesaid second optical filter the 8, the 3rd optical filter 9 and the 4th optical filter 10, by fiber adapter 6
The incident light of the 3rd wavelength in light and the light of the 4th wavelength are efficiently separated and are incided the first laser pick-off respectively
Device 4 and the second laser pickoff 5, thus be measured separately.
In aforesaid embodiment, aforesaid first wave length, second wave length, the 3rd wavelength and the 4th wavelength can the most not
With.
In aforesaid embodiment, the difference between aforesaid 3rd wavelength and the 4th wavelength can be as small as 40 nanometers, the least
To 10 nanometers.So so that wavelength differs the little optical transceiver can invented to the light of 40 even 10 nanometers and differentiates and connect
Receive.
So, by aforesaid first generating laser the 2, second generating laser the 3, first laser pickoff 4, second
Being appropriately arranged with of laser pickoff 5, fiber adapter the 6, first optical filter the 7, second optical filter 8 and the 3rd optical filter 9, the present invention
Optical transceiver in embodiment can realize the light (that is, the light of first wave length and the light of second wave length) of two wavelength transmitting and
The reception of the light (that is, the light of the 3rd wavelength and the light of the 4th wavelength) of two wavelength.
In embodiments of the invention, aforesaid first generating laser the 2, second generating laser the 3, first laser pickoff
4, longitudinal center's axis of the second laser pickoff 5 and fiber adapter 6 is positioned at approximately the same plane (seeing Fig. 3 and Fig. 4), this
Sample so that the light of the light of aforesaid first wave length, the light of second wave length, the light of the 3rd wavelength and the 4th wavelength is at this optical transceiver
In light path in approximately the same plane (i.e. the plane at the place, cross section shown in Fig. 3 and Fig. 4).Therefore, the light of the embodiment of the present invention
In transceiver, light is propagated in same two dimensional surface, rather than propagates in three-dimensional planar, and the first generating laser 2, second swashs
Optical transmitting set the 3, first laser pickoff the 4, second laser pickoff 5 and fiber adapter 6 can be arranged in the same plane (i.e.
Its longitudinal center's axis is in the same plane), rather than be distributed in three dimensions.Therefore, the volume of this optical transceiver can do
The least thinner, thus meet the international standard dimensional requirement of XFP or SFP.
Here, described " longitudinally " may refer to these devices installation direction in the installing hole of body 1.
Seeing Fig. 3 and Fig. 4, in some embodiments of the present invention, the second optical filter 8 can be arranged on fiber adapter 6 He
Between first optical filter 7, i.e. it is positioned at the light of aforesaid first wave length and the light of second wave length from the first optical filter 7 to fiber adapters
In the light path of device 6.Second optical filter 8 is relative to the position of other elements of optical transceiver and angle and the second optical filter 8
The optical property (such as, light transmission and light reflectance properties) of body can be suitably arranged the light so that aforesaid first wave length and
The light of second wave length incides fiber adapter 6 through the second optical filter 8.That is, the second optical filter 8 aforesaid first wave length of transmission
Light and the light of aforesaid second wave length to fiber adapter 6.As such, it is possible to make the more compact structure of this optical transceiver, enter
One step reduces the volume of optical transceiver.
The present invention is illustrated by use above specific case, is only intended to help and understands the present invention, not in order to limit
The present invention processed.For those skilled in the art, according to the thought of the present invention, it is also possible to make some simply
Deduce, deform or replace.
Claims (4)
1. an optical transceiver, it is characterised in that including:
Body, described body interior formed cavity, described body be provided with the first installing hole, the second installing hole, the 3rd installing hole,
4th installing hole and the 5th installing hole, described first installing hole, the second installing hole, the 3rd installing hole, the 4th installing hole and the 5th
Installing hole connects with described cavity；
First generating laser, described first generating laser is arranged in described first installing hole；
Second generating laser, described second generating laser is arranged in described second installing hole；
First laser pickoff, described first laser pickoff is arranged in described 3rd installing hole；
Second laser pickoff, described second laser pickoff is arranged in described 4th installing hole；
Fiber adapter, described fiber adapter is arranged in described 5th installing hole；
First optical filter, described first optical filter is arranged in described cavity, and described in transmission, the first generating laser sends
The light of first wave length to described fiber adapter, and reflect the light of the second wave length that described second generating laser sends to institute
State fiber adapter；
Second optical filter, the 3rd optical filter and the 4th optical filter, described second optical filter, described 3rd optical filter and the described 4th
Optical filter is arranged in described cavity, and described second optical filter reflection is by the 3rd wavelength in the light of described fiber adapter incidence
Light and the light of the 4th wavelength to described 3rd optical filter, the light of described 3rd filter transmission the 3rd wavelength to described first swashs
Optical receiver and reflect the light of the 4th wavelength to described 4th optical filter, the light of described 4th filter transmission the 4th wavelength is to institute
State the second laser pickoff；
Wherein said first generating laser, described second generating laser, described first laser pickoff, described second laser
Longitudinal center's axis of receptor and described fiber adapter is positioned at approximately the same plane.
2. optical transceiver as claimed in claim 1, it is characterised in that: described second optical filter is arranged on described fiber adapter
And between described first optical filter, and the light of the light of first wave length described in transmission and described second wave length is to described fiber adapters
Device.
3. optical transceiver as claimed in claim 1, it is characterised in that: first wave length, second wave length, the 3rd wavelength and the 4th ripple
Long differing from each other.
4. optical transceiver as claimed in claim 1, it is characterised in that: described 3rd wavelength differs 10 with described 4th wavelength and receives
Rice.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610573793.5A CN106054329A (en) | 2016-07-19 | 2016-07-19 | Optical transceiver |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610573793.5A CN106054329A (en) | 2016-07-19 | 2016-07-19 | Optical transceiver |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106054329A true CN106054329A (en) | 2016-10-26 |
Family
ID=57187342
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610573793.5A Pending CN106054329A (en) | 2016-07-19 | 2016-07-19 | Optical transceiver |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106054329A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109143493A (en) * | 2018-08-21 | 2019-01-04 | 青岛海信宽带多媒体技术有限公司 | A kind of optical receiver and optical module |
| CN109581600A (en) * | 2018-12-10 | 2019-04-05 | 青岛海信宽带多媒体技术有限公司 | The assembly method and optical module of a kind of fiber adapter, fiber adapter |
| WO2019179435A1 (en) * | 2018-03-19 | 2019-09-26 | 青岛海信宽带多媒体技术有限公司 | Optical submodule and optical module |
| US10761278B2 (en) | 2018-03-19 | 2020-09-01 | Hisense Broadband Multimedia Technologies Co., Ltd. | Optical subassembly and optical module |
| CN114895411A (en) * | 2022-06-13 | 2022-08-12 | 青岛海信宽带多媒体技术有限公司 | Optical module |
| WO2023240890A1 (en) * | 2022-06-13 | 2023-12-21 | 青岛海信宽带多媒体技术有限公司 | Optical module |
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| CN1936637A (en) * | 2005-09-20 | 2007-03-28 | 财团法人工业技术研究院 | Bidirectional optical receiving-transmitting secondary module |
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| CN205982747U (en) * | 2016-07-19 | 2017-02-22 | 深圳市新波光子技术有限公司 | Optical transceiver |
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| CN1936637A (en) * | 2005-09-20 | 2007-03-28 | 财团法人工业技术研究院 | Bidirectional optical receiving-transmitting secondary module |
| CN2879543Y (en) * | 2006-02-07 | 2007-03-14 | 上海昂泰光电技术有限公司 | Single optical fiber four-directional transmission device |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019179435A1 (en) * | 2018-03-19 | 2019-09-26 | 青岛海信宽带多媒体技术有限公司 | Optical submodule and optical module |
| US10761278B2 (en) | 2018-03-19 | 2020-09-01 | Hisense Broadband Multimedia Technologies Co., Ltd. | Optical subassembly and optical module |
| CN109143493A (en) * | 2018-08-21 | 2019-01-04 | 青岛海信宽带多媒体技术有限公司 | A kind of optical receiver and optical module |
| WO2020038420A1 (en) * | 2018-08-21 | 2020-02-27 | 青岛海信宽带多媒体技术有限公司 | Optical receiver and optical module |
| CN109581600A (en) * | 2018-12-10 | 2019-04-05 | 青岛海信宽带多媒体技术有限公司 | The assembly method and optical module of a kind of fiber adapter, fiber adapter |
| CN114895411A (en) * | 2022-06-13 | 2022-08-12 | 青岛海信宽带多媒体技术有限公司 | Optical module |
| WO2023240890A1 (en) * | 2022-06-13 | 2023-12-21 | 青岛海信宽带多媒体技术有限公司 | Optical module |
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Effective date of registration: 20170221 Address after: Green Lake Industrial Park Town 523660 Guangdong city of Dongguan province Fuji Industrial City twelfth factory Applicant after: Dongguan Jie pute Photoelectric Technology Co., Ltd. Address before: 518023 unit 1609-1610, building C, block, building 9, science and Technology Park, No. 1 Qing Xiang Road, New District, Shenzhen, Guangdong, China Applicant before: SH4ENZHEN NEWWAVE PHOTONICS TECHNOLOGY CO., LTD. |
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