CN106154425A - Wavelength division multiplexer with parallel channel spacing translation function and demultiplexer - Google Patents
Wavelength division multiplexer with parallel channel spacing translation function and demultiplexer Download PDFInfo
- Publication number
- CN106154425A CN106154425A CN201610693983.0A CN201610693983A CN106154425A CN 106154425 A CN106154425 A CN 106154425A CN 201610693983 A CN201610693983 A CN 201610693983A CN 106154425 A CN106154425 A CN 106154425A
- Authority
- CN
- China
- Prior art keywords
- parallel
- light beam
- fully reflecting
- reflecting surface
- spacing
- 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.)
- Withdrawn
Links
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
- G02B6/26—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
- G02B6/29379—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 characterised by the function or use of the complete device
- G02B6/2938—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 characterised by the function or use of the complete device for multiplexing or demultiplexing, i.e. combining or separating wavelengths, e.g. 1xN, NxM
-
- 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
- G02B6/29346—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 operating by wave or beam interference
- G02B6/29361—Interference filters, e.g. multilayer coatings, thin film filters, dichroic splitters or mirrors based on multilayers, WDM filters
- G02B6/29362—Serial cascade of filters or filtering operations, e.g. for a large number of channels
- G02B6/29365—Serial cascade of filters or filtering operations, e.g. for a large number of channels in a multireflection configuration, i.e. beam following a zigzag path between filters or filtering operations
-
- 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
- G02B6/29379—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 characterised by the function or use of the complete device
- G02B6/29389—Bandpass filtering, e.g. 1x1 device rejecting or passing certain wavelengths
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Optical Couplings Of Light Guides (AREA)
Abstract
The present invention discloses wavelength division multiplexer and the demultiplexer of a kind of band parallel channel spacing translation function, wavelength division multiplexer includes wavelength-division multiplex part and parallel channel spacing conversion portion, demultiplexer includes Wave Decomposition multiplexing part and parallel channel spacing conversion portion, described parallel channel spacing conversion portion at least includes one group of fully reflecting surface, often group fully reflecting surface is made up of two fully reflecting surfaces being placed in parallel, and all fully reflecting surfaces becomes corresponding angle to parallel rays, after wherein light beam in parallel rays is reflected by first fully reflecting surface, incide on second fully reflecting surface being placed in parallel, penetrate after total reflection, after injection, the parallel distance with the light beam of parallel rays Zhong Yanyuan road transmission is made adjustment, complete the spacing conversion of collimated light beam.The present invention can significantly compress integral thickness and the width of device, is optionally combined channel pitch.Processing is simple, it is easy to produce, and the optical device and the optical module that are especially suitable for compact conformation use.
Description
Technical field
The present invention relates to optical device, fiber optic communication field, wavelength-division optic communication (WDM) network, particularly relate to one and be applied to
The wavelength-division multiplex optical device of the cramped construction in high speed optical communication device, module and system and Wave Decomposition multiplexed optical device.
Background technology
Construction from cloud computing, data center, mobile Internet etc. result in the world market solid demand to broadband,
Optical communication network have employed enormous bandwidth resource and the fiber medium of excellent transmission performance, can meet ever-increasing number
Requirement according to business, Internet resources etc..As key core device and the technology of high speed optical fiber communication, development can support
The optical device of 100Gb/s, 400Gb/s and faster transfer rate becomes the emphasis of global development and investment.Industry is adopted at present
Solution be the method utilizing collimating optics, the optical multiplexed signal of relatively low for multichannel transfer rate is used an optical fiber
In, such as 40Gb/s is exactly by 4 road 10Gb/s transfer rates, has the optical multiplexed signal of different wave length and use and pass in an optical fiber
Defeated, or the optical signal of 40Gb/s speed is demultiplexed into the 10Gb/s optical signal that 4 tunnels have the parallel transmission of different wave length.
Therefore, how to realize miniaturization, 40Gb/s, 100Gb/s of low cost and faster transfer rate parallel transmission optical device become
For the most important thing, in these optical devices, the wavelength-division multiplex demultiplexing optical device of structure compact to design is crucial skill therein
One of art.And the most interchannel spacing is the key technology of structure compact to design.In particular, in that in optical device, electronic receipt core
The spacing of sheet or each passage of transmitting chip and the spacing of each passage closed in wave separater structure also differ.Therefore passage is carried out
Spacing conversion is very important.
Summary of the invention
The purpose of the present invention is for the above-mentioned market demand, it is proposed that the wavelength-division of a kind of band parallel channel spacing translation function
Multiplexing and Deplexing apparatus, the present invention's is with low cost, and technique is simple, it is easy to produce in enormous quantities.
The technical scheme is that
With the wavelength division multiplexer of parallel channel spacing translation function, comprise wavelength-division multiplex part and the conversion of parallel channel spacing
Part,
Described Wavelength Division Multiplexing portion subpackage contains: have the carrier of two parallel surfaces；Supported parallel face becomes with parallel entrance beam
Corresponding angle, two parallel surfaces of carrier are placed with reflector plate and band pass filter respectively；Parallel distance is d1Parallel incidence
Light beam, is incident in reflector plate and corresponding band pass filter to be formed and launches, penetrate from carrier exit portal after being multiplexed into light beam
Go out；
It is characterized in that: described parallel channel spacing conversion portion at least includes one group of fully reflecting surface, often organizes total reflection
Face is made up of two fully reflecting surfaces being placed in parallel, and all fully reflecting surfaces become corresponding angle to parallel rays, parallel rays
Light beam initial separation is d2；After wherein light beam in parallel rays is reflected by first fully reflecting surface, incide parallel putting
On second fully reflecting surface put, penetrate after total reflection, parallel with the light beam of parallel rays Zhong Yanyuan road transmission after injection
Spacing is adjusted to d1, complete the spacing conversion of collimated light beam.
Described collimated light beam initial separation d2With collimated light beam spacing d after adjustment1Differ.
A parallel surface on the carrier of wavelength-division multiplex part is placed with equally spaced band pass filter.
Another parallel surface on the carrier of wavelength-division multiplex part is placed with equally spaced reflector plate.
With the Wave decomposing multiplexer of parallel channel spacing translation function, comprise Wave Decomposition multiplexing part and parallel channel spacing
Conversion portion,
Described Wave Decomposition multiplexing part comprises: have the carrier of two parallel surfaces；Supported parallel face and parallel entrance beam
Becoming corresponding angle, two parallel surfaces of carrier are placed with reflector plate and band pass filter respectively；Close light beams from carrier light inlet
Incidence, is formed in corresponding band pass filter and reflector plate and launches, and the parallel distance of demultiplexed correspondence is d3Directional light
Bundle outgoing；
It is characterized in that: described parallel channel spacing conversion portion at least includes one group of fully reflecting surface, often organizes total reflection
Face is made up of two fully reflecting surfaces being placed in parallel, and all fully reflecting surfaces become corresponding angle to parallel rays, parallel rays
Light beam initial separation is d3；After wherein light beam in parallel rays is reflected by first fully reflecting surface, incide parallel putting
On second fully reflecting surface put, penetrate after total reflection, parallel with the light beam of parallel rays Zhong Yanyuan road transmission after injection
Spacing is adjusted to d4, complete the spacing conversion of collimated light beam.
Described collimated light beam initial separation d3With collimated light beam spacing d after adjustment4Differ.
A parallel surface on the carrier of Wave Decomposition multiplexing part is placed with equally spaced band pass filter.
Another parallel surface on the carrier of Wave Decomposition multiplexing part is placed with equally spaced reflector plate.
The present invention can significantly compress integral thickness and the width of device, is optionally combined channel pitch.Processing is simple, it is easy to raw
Produce, with low cost, it is easy to produce in enormous quantities.The optical device and the optical module that are especially suitable for compact conformation use.
Accompanying drawing explanation
Fig. 1 is the WDM device index path of the band parallel channel spacing translation function of the present invention.
Fig. 2 is the Wave Decomposition multiplexer index path of the band parallel channel spacing translation function of the present invention.
Detailed description of the invention
Below with reference to specific embodiment shown in the drawings, the application is described in detail.But these embodiments do not limit
The application processed, structure, method or conversion functionally that those of ordinary skill in the art is made according to these embodiments are equal
It is included in the protection domain of the application.
It addition, terms used herein, such as " light beam " refer to the collimated light of Same Wavelength." collimated light beam " is by mutually
Several bundles " light beam " of parallel different wave length are constituted." multiplexing " refers to the spacing between " collimated light beam " of spacing will be had to become
Zero." demultiplex " " the light referring to a few bundle different wave lengths by having a branch of directional light mixed by different wave length to be divided into have spacing
Bundle ".
As it is shown in figure 1, the wavelength division multiplexer of the band parallel channel spacing translation function of the present invention, comprise four bundle collimated light beams
λ 1, λ 2, λ 3, λ 4, fully reflecting surface 101 and fully reflecting surface 102 are placed in parallel, and fully reflecting surface 103 is parallel with fully reflecting surface 104 to be put
Putting, fully reflecting surface 103 becomes angle with collimated light beam λ 3, and collimated light beam λ 3 occurs full transmitting, collimated light beam on fully reflecting surface 103
λ 1, λ 2, λ 3, λ 4 initial separation are d2；After collimated light beam λ 3 is reflected by fully reflecting surface 103, incide second be placed in parallel
On individual fully reflecting surface 104, penetrating after total reflection, after injection, the parallel distance with collimated light beam λ 4 is adjusted to d1.Complete directional light
The spacing conversion of bundle.Same principle, collimated light beam λ 1, λ 2 complete collimated light beam by fully reflecting surface 101 and fully reflecting surface 102
Spacing conversion.
Four bundle collimated light beam λ 1, λ 2, λ 3, λ 4 spacing after spacing adjustment member above adjusts are d1, enter the most respectively
In filter plate group 105 on one parallel surface of the carrier 108 being mapped to multiplexing part above.Filter plate group 105 is at parallel surface
Upper equidistantly arrangement.It is placed with reflector plate 106 on another parallel surface of carrier.The light beam of λ 4 is through corresponding filter plate group
Incide on the reflector plate 106 on opposite after one filter plate transmission of 105, after reflection, incide the phase of filter plate group 105
On adjacent filter plate, after reflection herein, complete multiplexing with the light beam of the λ 3 through filter plate transmission herein.Until completing last
After the multiplexing of light beam λ 1, penetrate from the emergent light mouth 107 of carrier.
As in figure 2 it is shown, the Wave decomposing multiplexer of the band parallel channel spacing translation function of the present invention, comprising wavelength is λ 5, λ
6, λ 7, λ 8 multiplexed optical incident from light inlet 207, enter in carrier 208 and transmit, on a parallel surface of carrier 208
On the corresponding filter plate of filter plate group 205, demultiplex out by the light beam that wavelength is λ 5, filtered of remaining light beam group 205
Filter plate reflex to, on the reflector plate 206 on another parallel surface of carrier 208, arrive the parallel surface of carrier 208 after reflection
On the next corresponding filter plate of filter plate group 205, demultiplexed light beam λ 6, until last demultiplexed whole light beam λ 7, λ
8.Demultiplexed beam separation is d3。
Demultiplexed light beam λ 5, λ 6, λ 7, λ 8 enter into parallel channel spacing conversion portion.Fully reflecting surface 201 and being all-trans
Penetrating face 202 to be placed in parallel, fully reflecting surface 203 and fully reflecting surface 204 are placed in parallel.Fully reflecting surface 203 becomes folder with collimated light beam λ 8
Angle, there is full transmitting, incides on second fully reflecting surface 204 being placed in parallel, entirely in collimated light beam λ 8 on fully reflecting surface 203
Penetrating after reflection, after injection, the parallel distance with collimated light beam λ 7 is adjusted to d4.Complete the spacing conversion of collimated light beam.Same
Principle, the spacing that collimated light beam λ 5, λ 6 complete collimated light beam by fully reflecting surface 202 and fully reflecting surface 201 converts.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all essences in the present invention
Any amendment, equivalent and the improvement etc. made within god and principle, should be included within the scope of the present invention.
Claims (8)
1. the wavelength division multiplexer of band parallel channel spacing translation function, comprises wavelength-division multiplex part and parallel channel spacing converter section
Point,
Described Wavelength Division Multiplexing portion subpackage contains: have the carrier of two parallel surfaces；Supported parallel face becomes corresponding to parallel entrance beam
Angle, two parallel surfaces of carrier are placed with reflector plate and band pass filter respectively；Parallel distance is d1Parallel entrance beam,
It is incident in reflector plate and corresponding band pass filter to be formed and launches, penetrate from carrier exit portal after being multiplexed into light beam；
It is characterized in that: described parallel channel spacing conversion portion at least includes one group of fully reflecting surface, often group fully reflecting surface by
The fully reflecting surface that two are placed in parallel forms, and all fully reflecting surfaces become corresponding angle, the light beam of parallel rays to parallel rays
Initial separation is d2；After wherein light beam in parallel rays is reflected by first fully reflecting surface, incide and be placed in parallel
On second fully reflecting surface, penetrate after total reflection, the parallel distance of the light beam transmitted with parallel rays Zhong Yanyuan road after injection
It is adjusted to d1, complete the spacing conversion of collimated light beam.
The wavelength division multiplexer of band parallel channel the most according to claim 1 spacing translation function, it is characterised in that: described
Collimated light beam initial separation d2With collimated light beam spacing d after adjustment1Differ.
The wavelength division multiplexer of band parallel channel the most according to claim 1 spacing translation function, it is characterised in that: wavelength-division is multiple
It is placed with equally spaced band pass filter with a parallel surface on the carrier of part.
The wavelength division multiplexer of band parallel channel the most according to claim 1 spacing translation function, it is characterised in that: wavelength-division is multiple
It is placed with equally spaced reflector plate with another parallel surface on the carrier of part.
5. the Wave decomposing multiplexer of band parallel channel spacing translation function, comprises Wave Decomposition multiplexing part and parallel channel spacing turns
Change part,
Described Wave Decomposition multiplexing part comprises: have the carrier of two parallel surfaces；Supported parallel face becomes phase with parallel entrance beam
Answering angle, two parallel surfaces of carrier are placed with reflector plate and band pass filter respectively；Close light beams incident from carrier light inlet,
Being formed in corresponding band pass filter and reflector plate and launch, the parallel distance of demultiplexed correspondence is d3Collimated light beam go out
Penetrate；
It is characterized in that: described parallel channel spacing conversion portion at least includes one group of fully reflecting surface, often group fully reflecting surface by
The fully reflecting surface that two are placed in parallel forms, and all fully reflecting surfaces become corresponding angle, the light beam of parallel rays to parallel rays
Initial separation is d3；After wherein light beam in parallel rays is reflected by first fully reflecting surface, incide and be placed in parallel
On second fully reflecting surface, penetrate after total reflection, the parallel distance of the light beam transmitted with parallel rays Zhong Yanyuan road after injection
It is adjusted to d4, complete the spacing conversion of collimated light beam.
The Wave decomposing multiplexer of band parallel channel the most according to claim 5 spacing translation function, it is characterised in that: described
Collimated light beam initial separation d3With collimated light beam spacing d after adjustment4Differ.
The Wave decomposing multiplexer of band parallel channel the most according to claim 5 spacing translation function, it is characterised in that: wavelength-division
A parallel surface on the carrier of de-multiplex section is placed with equally spaced band pass filter.
The Wave decomposing multiplexer of band parallel channel the most according to claim 5 spacing translation function, it is characterised in that: wavelength-division
Another parallel surface on the carrier of de-multiplex section is placed with equally spaced reflector plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610693983.0A CN106154425A (en) | 2016-08-19 | 2016-08-19 | Wavelength division multiplexer with parallel channel spacing translation function and demultiplexer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610693983.0A CN106154425A (en) | 2016-08-19 | 2016-08-19 | Wavelength division multiplexer with parallel channel spacing translation function and demultiplexer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106154425A true CN106154425A (en) | 2016-11-23 |
Family
ID=57341683
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610693983.0A Withdrawn CN106154425A (en) | 2016-08-19 | 2016-08-19 | Wavelength division multiplexer with parallel channel spacing translation function and demultiplexer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106154425A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108551372A (en) * | 2018-03-23 | 2018-09-18 | 成都聚芯光科通信设备有限责任公司 | A kind of multi-wavelength spatial offset division wave module and optical module |
| WO2019105113A1 (en) * | 2017-11-29 | 2019-06-06 | 中兴通讯股份有限公司 | Optical transceiver |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000162474A (en) * | 1998-12-01 | 2000-06-16 | Matsushita Electric Ind Co Ltd | Optical axis converting block and optical module using it |
| JP2001305479A (en) * | 2000-04-19 | 2001-10-31 | Oyokoden Lab Co Ltd | Optical coupling method for backward excitation and optical coupler for backward excitation using the method |
| CN2648707Y (en) * | 2003-04-25 | 2004-10-13 | 珠海保税区光联通讯技术有限公司 | Closed circuit circulator |
| CN201378212Y (en) * | 2009-02-25 | 2010-01-06 | 福州高意通讯有限公司 | Multi-wavelength selector switch |
| CN202600195U (en) * | 2012-06-21 | 2012-12-12 | 福州高意通讯有限公司 | Multi-way parallel light transceiving structure |
| CN202771035U (en) * | 2012-09-12 | 2013-03-06 | 福州高意通讯有限公司 | CWDM module |
| CN103091845A (en) * | 2011-10-28 | 2013-05-08 | 奥斯兰姆有限公司 | Optical device and optical system and optical transforming method |
| CN205941977U (en) * | 2016-08-19 | 2017-02-08 | 武汉锐奥特科技有限公司 | Take parallel channel interval conversion functions's wavelength division multiplexer and demultiplexer |
-
2016
- 2016-08-19 CN CN201610693983.0A patent/CN106154425A/en not_active Withdrawn
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000162474A (en) * | 1998-12-01 | 2000-06-16 | Matsushita Electric Ind Co Ltd | Optical axis converting block and optical module using it |
| JP2001305479A (en) * | 2000-04-19 | 2001-10-31 | Oyokoden Lab Co Ltd | Optical coupling method for backward excitation and optical coupler for backward excitation using the method |
| CN2648707Y (en) * | 2003-04-25 | 2004-10-13 | 珠海保税区光联通讯技术有限公司 | Closed circuit circulator |
| CN201378212Y (en) * | 2009-02-25 | 2010-01-06 | 福州高意通讯有限公司 | Multi-wavelength selector switch |
| CN103091845A (en) * | 2011-10-28 | 2013-05-08 | 奥斯兰姆有限公司 | Optical device and optical system and optical transforming method |
| CN202600195U (en) * | 2012-06-21 | 2012-12-12 | 福州高意通讯有限公司 | Multi-way parallel light transceiving structure |
| CN202771035U (en) * | 2012-09-12 | 2013-03-06 | 福州高意通讯有限公司 | CWDM module |
| CN205941977U (en) * | 2016-08-19 | 2017-02-08 | 武汉锐奥特科技有限公司 | Take parallel channel interval conversion functions's wavelength division multiplexer and demultiplexer |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019105113A1 (en) * | 2017-11-29 | 2019-06-06 | 中兴通讯股份有限公司 | Optical transceiver |
| CN108551372A (en) * | 2018-03-23 | 2018-09-18 | 成都聚芯光科通信设备有限责任公司 | A kind of multi-wavelength spatial offset division wave module and optical module |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US8488244B1 (en) | Ultra compact optical multiplexer or demultiplexer | |
| CN104678515B (en) | For the optical device light channel structure of single fiber bi-directional | |
| US5943149A (en) | Optical multiplexor/demultiplexor using a narrow band filter followed by a wideband filter | |
| US7843644B1 (en) | Compact free-space WDM device with one-sided input/output ports | |
| CN103257403B (en) | A kind of wavelength-division multiplex optical device and Wave Decomposition multiplexed optical device | |
| US8351791B1 (en) | Optical devices with built-in isolators | |
| CN102565932A (en) | Dispersion-corrected arrayed waveguide grating | |
| CN203337867U (en) | Wavelength division multiplexing optical device and wavelength division de-multiplexing optical device | |
| CN204462461U (en) | For the optical device light channel structure of single fiber bi-directional | |
| CN205899074U (en) | Wavelength -division multiplexing optical device and wavelength -decomposition multiplexing optical device | |
| JP5735660B2 (en) | Array waveguide diffraction grating, optical module and optical communication system provided with the arrayed waveguide diffraction grating | |
| JP2000089057A (en) | Optical device, terminal apparatus and system for wavelength division multiplex | |
| CN106019486A (en) | Wavelength division multiplexing optical device and wavelength division de-multiplexing optical device | |
| US20130343699A1 (en) | Wavelength division multiplexer/demultiplexer with reduced physical dimension | |
| US7486891B1 (en) | Multi-port high isolation filters | |
| CN103487890A (en) | Miniature WDM | |
| CN106154425A (en) | Wavelength division multiplexer with parallel channel spacing translation function and demultiplexer | |
| CN205941977U (en) | Take parallel channel interval conversion functions's wavelength division multiplexer and demultiplexer | |
| US20170117981A1 (en) | Optical Wavelength Multiplexer and Demultiplexer | |
| CN202050420U (en) | Integrated multichannel wavelength division multiplexer | |
| US20120063719A1 (en) | DWDM and CWDM Communication System over Multimode Fiber | |
| CN109212669B (en) | Ultra-compact multi-path wavelength division multiplexer for 5G optical network | |
| CN109116474A (en) | Wavelength-division multiplex/demultiplexing fiber coupling mould group and its optical device | |
| CN112882158A (en) | Miniaturized optical assembly capable of realizing wavelength division multiplexing and demultiplexing functions | |
| TWI469544B (en) | Multi - wave channel thin film filter - type wavelength multiplexing and multi - processor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20161123 |