CN113589453A - Combo PON hybrid integrated optical circuit and structure implementation method - Google Patents
Combo PON hybrid integrated optical circuit and structure implementation method Download PDFInfo
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- CN113589453A CN113589453A CN202110884377.8A CN202110884377A CN113589453A CN 113589453 A CN113589453 A CN 113589453A CN 202110884377 A CN202110884377 A CN 202110884377A CN 113589453 A CN113589453 A CN 113589453A
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- 230000003287 optical effect Effects 0.000 title claims abstract description 30
- 238000000034 method Methods 0.000 title claims abstract description 12
- 239000002184 metal Substances 0.000 claims abstract description 16
- 238000006243 chemical reaction Methods 0.000 claims description 2
- 238000003466 welding Methods 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 22
- 238000013461 design Methods 0.000 abstract description 4
- 101100335307 Xenopus laevis foxe4 gene Proteins 0.000 description 6
- 238000001514 detection method Methods 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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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
- G02B6/4206—Optical features
-
- 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
- G02B6/26—Optical coupling means
- G02B6/28—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals
- G02B6/293—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means
-
- 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
- G02B6/4214—Packages, e.g. shape, construction, internal or external details the coupling comprising intermediate optical elements, e.g. lenses, holograms the intermediate optical element having redirecting reflective means, e.g. mirrors, prisms for deflecting the radiation from horizontal to down- or upward direction toward a device
-
- 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
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Semiconductor Lasers (AREA)
- Optical Couplings Of Light Guides (AREA)
Abstract
The invention discloses a Combo PON hybrid integrated optical circuit and a structure implementation method, which are applied to the field of optical devices and aim to solve the problems that in the prior art, a metal structural part is small in size, a complex structure is difficult to design, process and manufacture, and the precision cannot be guaranteed; the collimating optical system is partially produced in an assembly mode, and then the produced assembly is assembled into the metal structural part, so that the structure of a metal part is simplified through the assembly mode, the production and manufacturing difficulty is reduced, and meanwhile, whether the collimating optical system of the assembly is standard or not can be detected more easily in a solid line manner, and the precision of the assembly can meet the production requirement.
Description
Technical Field
The invention belongs to the field of optical devices, and particularly relates to a Combo PON hybrid integrated optical circuit technology.
Background
With the popularization of broadband access networks and the national requirements for speed increase and cost reduction, the 10G access network is required to be compatible with the currently popularized 2.5G network at the same time of upgrading the 10G network at both the OLT side and the ONU side, so that the bandwidth compatible network becomes the mainstream application. The produced optical device also needs to be compatible with the wavelengths of 10G and 2.5, so that the Combo PON device with four ports is widely applied.
The existing Combo PON product has the defects of short wavelength interval, complex optical path and high optical power requirement of the product, and the performance requirement of the product is difficult to realize by converging light. Because the existing Combo PON product has a complex optical path structure, a plurality of materials need to be assembled in a metal structural part, and the design and manufacture of the metal structural part have higher requirements; meanwhile, the production of Combo pon products is also difficult.
Disclosure of Invention
In order to solve the technical problems, the invention provides a Combo PON hybrid integrated optical circuit and a structure implementation method, which prepares a collimated light system in an assembly form, simplifies a metal part structure, and reduces production and manufacturing difficulties.
The technical scheme adopted by the invention is as follows: a Combo PON mixes the integrated optical circuit and structure implementation method, adopt the module form to prepare the collimation photosystem, the collimation photosystem includes: the device comprises a first lens, a second lens, a plurality of filters and an optical port; the first lens and the second lens are respectively positioned at two ends of the main light path, and the first lens is used for converting the converged light emitted by the light-emitting device into parallel light; the second lens is used for converting the parallel light converted by the first lens into convergent light received by the light port, and the second lens is also used for converting the convergent light sent by the light port into parallel light; and the plurality of filters are used for reflecting the parallel light obtained by the conversion of the second lens to the light receiving device end.
The light receiving device side is also provided with a lens for converting the parallel light into the converged light.
The light emitting devices are 1577&1490 light emitting devices, wherein the converged light emitted by one light emitting device is along the direction of the main light path, and the converged light emitted by the other light emitting device is reflected to the main light path through a filter.
The light receiving device is a 1310&1270 light receiving device.
The component comprises four filters, and the two filters are in a group and respectively reflect the parallel light converted by the second lens to the corresponding light receiving devices.
The invention has the beneficial effects that: the collimating light system is prepared in an assembly form, and is manufactured into assembly production and then assembled into a metal structural part; in the form of an assembly, the structure of a metal piece is simplified, and the production and manufacturing difficulty is reduced; meanwhile, whether the parallel light system of the detection assembly is standard or not and whether the precision meets the requirement or not can be easily realized; the invention greatly optimizes the production process of the product, reduces the design and production difficulty of the product, and improves the manufacturing precision, the production efficiency and the yield of the product.
Drawings
FIG. 1 is a schematic diagram of a hybrid integrated optical circuit according to the present invention;
FIG. 2 is a schematic view of the optical port attachment in the assembly of the present invention;
fig. 3 is a schematic view of the first lens (lens1) attachment in the assembly of the present invention.
Detailed Description
In order to facilitate the understanding of the technical contents of the present invention by those skilled in the art, the present invention will be further explained with reference to the accompanying drawings.
As shown in fig. 1, the invention prepares the collimating light system in an assembly, manufactures the device in a solid line frame in fig. 1 into an assembly, and then assembles the device into a metal structural member shown in a dashed line frame in fig. 1. The invention simplifies the structure of the metal piece in the form of an assembly and reduces the production and manufacturing difficulty. Meanwhile, whether the parallel light system of the detection assembly is standard or not and whether the precision meets the requirement or not can be easily realized. Therefore, the invention greatly optimizes the production process of the product, reduces the design and production difficulty of the product, and improves the manufacturing precision, the production efficiency and the yield of the product.
As shown in fig. 1, the assembly of the present invention includes: a first lens1, a second lens2, four filter filters 2-5, and an optical port; a first lens1 and a second lens2 are respectively located at two ends of the main optical path, and the first lens1 is used for converting the converged light emitted by the light emitting device into parallel light; the second lens2 is used for converting the parallel light converted by the first lens into the convergent light received by the optical port, and the second lens2 is also used for converting the convergent light sent by the optical port into parallel light; the four filter filters 2-5 are used for reflecting the parallel light converted by the second lens2 to the light receiving device end, specifically:
as shown in fig. 1, the module of the present invention is arranged with 1270 receiving device end and 1310 receiving device end respectively up and down along the vertical direction of the main light path; the parallel light converted by the second lens2 is reflected to the filter4 through the filter2 located in the main light path, and reaches 1310 the receiving device end; the parallel light converted by the second lens2 is reflected to the filter5 through the filter3 located in the main light path, and reaches the 1270 receiving device end;
the 1270 receiving device end and the 1310 receiving device end are respectively provided with a lens for converting parallel light into convergent light; as shown in fig. 1, the 1270 receiving device end is provided with a fourth lens4 at a corresponding position in the metal structure, and the 1310 receiving device end is provided with a third lens3 at a corresponding position in the metal structure.
The light emitting device is a 1577&1490 light emitting device, wherein the condensed light emitted by the 1577 light emitting device is along the main light path direction, and the condensed light emitted by the 1490 light emitting device is reflected to the main light path through the first filter 1.
As shown in fig. 2, the filter and the lens are assembled (glued) to the metal holder and the converging light from the light port is converted to collimated light by lens 2. Adjusting the position of a light port, receiving collimated light spots through a light beam analyzer (test equipment in the production process, not included in a product), judging whether the collimated light meets the product requirements, and fixing the light port when the collimated light meets the product requirements;
after the optical ports are fixed, as shown in fig. 3, the lens1 is coupled to ensure that the optical path insertion loss is minimized, and then the lens1 is fixed to complete the assembly. Therefore, the whole light path can be ensured to be unpolarized, and the insertion loss is small.
The assembly of the present invention is assembled into a metal structural member by laser welding.
It will be appreciated by those of ordinary skill in the art that the embodiments described herein are intended to assist the reader in understanding the principles of the invention and are to be construed as being without limitation to such specifically recited embodiments and examples. Various modifications and alterations to this invention will become apparent to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.
Claims (6)
1. A Combo PON mixes integrated optical circuit and structure implementation method, characterized by that, adopt the module form to prepare the collimation photosystem, the collimation photosystem includes: the device comprises a first lens, a second lens, a plurality of filters and an optical port; the first lens and the second lens are respectively positioned at two ends of the main light path, and the first lens is used for converting the converged light emitted by the light-emitting device into parallel light; the second lens is used for converting the parallel light converted by the first lens into convergent light received by the light port, and the second lens is also used for converting the convergent light sent by the light port into parallel light; and the plurality of filters are used for reflecting the parallel light obtained by the conversion of the second lens to the light receiving device end.
2. The Combo PON hybrid integrated optical circuit and structure implementation method of claim 1, wherein the components are assembled into the metal structural member by laser welding.
3. The method as claimed in claim 2, wherein the optical receiving device ends are each further configured with a lens in the metal structure, and the lens is used for converting parallel light into converging light.
4. The Combo PON hybrid integrated optical circuit and structure implementation method of claim 3, wherein the optical receiving device is a 1310&1270 optical receiving device.
5. The method as claimed in claim 1, wherein the light emitting devices are 1577&1490 light emitting devices, and wherein the converged light from one light emitting device is along the main light path, and the converged light from the other light emitting device is reflected to the main light path through a filter.
6. The method as claimed in claim 5, wherein the component includes four filters, and two filters are in a group and respectively reflect the parallel light converted by the second lens to the corresponding light receiving devices.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110884377.8A CN113589453A (en) | 2021-08-03 | 2021-08-03 | Combo PON hybrid integrated optical circuit and structure implementation method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110884377.8A CN113589453A (en) | 2021-08-03 | 2021-08-03 | Combo PON hybrid integrated optical circuit and structure implementation method |
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| Publication Number | Publication Date |
|---|---|
| CN113589453A true CN113589453A (en) | 2021-11-02 |
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| CN202110884377.8A Pending CN113589453A (en) | 2021-08-03 | 2021-08-03 | Combo PON hybrid integrated optical circuit and structure implementation method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116429381A (en) * | 2023-06-02 | 2023-07-14 | 成都光创联科技有限公司 | Optical path detection device of multi-port composite optical path device and assembly method |
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|---|---|---|---|---|
| JP2010286683A (en) * | 2009-06-12 | 2010-12-24 | Nippon Telegr & Teleph Corp <Ntt> | Three-wavelength multiplex optical transmission and reception module |
| JP2015121670A (en) * | 2013-12-24 | 2015-07-02 | 日立金属株式会社 | Lens block and optical communication 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 |
| CN208140989U (en) * | 2018-05-25 | 2018-11-23 | 成都储翰科技股份有限公司 | A kind of four port optical devices |
| CN208860998U (en) * | 2018-09-12 | 2019-05-14 | 翔光光通讯器材（昆山）有限公司 | Miniature coarse wavelength division multiplexing module |
| CN110417476A (en) * | 2019-07-05 | 2019-11-05 | 华为技术有限公司 | A kind of TOSA, BOSA, optical module and optical network device |
| CN112558238A (en) * | 2019-09-26 | 2021-03-26 | 青岛海信宽带多媒体技术有限公司 | Optical module |
| CN112698451A (en) * | 2019-10-22 | 2021-04-23 | 青岛海信宽带多媒体技术有限公司 | Optical module |
-
2021
- 2021-08-03 CN CN202110884377.8A patent/CN113589453A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010286683A (en) * | 2009-06-12 | 2010-12-24 | Nippon Telegr & Teleph Corp <Ntt> | Three-wavelength multiplex optical transmission and reception module |
| JP2015121670A (en) * | 2013-12-24 | 2015-07-02 | 日立金属株式会社 | Lens block and optical communication 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 |
| CN208140989U (en) * | 2018-05-25 | 2018-11-23 | 成都储翰科技股份有限公司 | A kind of four port optical devices |
| CN208860998U (en) * | 2018-09-12 | 2019-05-14 | 翔光光通讯器材（昆山）有限公司 | Miniature coarse wavelength division multiplexing module |
| CN110417476A (en) * | 2019-07-05 | 2019-11-05 | 华为技术有限公司 | A kind of TOSA, BOSA, optical module and optical network device |
| CN112558238A (en) * | 2019-09-26 | 2021-03-26 | 青岛海信宽带多媒体技术有限公司 | Optical module |
| CN112698451A (en) * | 2019-10-22 | 2021-04-23 | 青岛海信宽带多媒体技术有限公司 | Optical module |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116429381A (en) * | 2023-06-02 | 2023-07-14 | 成都光创联科技有限公司 | Optical path detection device of multi-port composite optical path device and assembly method |
| CN116429381B (en) * | 2023-06-02 | 2023-08-18 | 成都光创联科技有限公司 | Optical path detection device of multi-port composite optical path device and assembly method |
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Application publication date: 20211102 |