CN108535811A - A kind of the transmitting optical device and method of polarized composite wave multiplexing - Google Patents
A kind of the transmitting optical device and method of polarized composite wave multiplexing Download PDFInfo
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- CN108535811A CN108535811A CN201810234114.0A CN201810234114A CN108535811A CN 108535811 A CN108535811 A CN 108535811A CN 201810234114 A CN201810234114 A CN 201810234114A CN 108535811 A CN108535811 A CN 108535811A
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- composite wave
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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
- G02B6/26—Optical coupling means
- G02B6/27—Optical coupling means with polarisation selective and adjusting means
- G02B6/2746—Optical coupling means with polarisation selective and adjusting means comprising non-reciprocal devices, e.g. isolators, FRM, circulators, quasi-isolators
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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
- G02B6/26—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
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- General Physics & Mathematics (AREA)
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Abstract
The present invention relates to a kind of transmitting optical device and methods, belong to technical field of photo communication, are specifically related to a kind of the transmitting optical device and method of polarized composite wave multiplexing.Including：At least two multiplexed lights；A wherein multiplexed light is exported with another multiplexed light multiplex again after half-wave plate rotates；The multiplexed light includes outer optical path and inner optical path；The outer optical path transmits the first polarized composite wave element to form a multiplexed light again after converging with the inner optical path transmitted through the first polarization rotator transmission plane after the first polarized composite wave element reflexes to the reflecting surface of the first polarization rotator.Therefore, the invention has the advantages that：Transmitted in parallel optical device proposed by the present invention uses contact pin collimator using level Hermetic Package form, polarized composite wave component as wavelength-division demultiplex element and optical port, have low cost, function admirable, high reliability, can mass, easy interchangeability.
Description
Technical field
The present invention relates to a kind of transmitting optical device and methods, belong to technical field of photo communication, are specifically related to a kind of polarization
The transmitting optical device and method of multiplex multiplexing.
Background technology
Effect of the optical module received and dispatched parallel using multichannel optical signal now in data center and communication network is more next
More apparent, the transmitted in parallel optical device of one of core devices as optical module, packaged type and structure directly affect optical mode
The performance and cost of block.
There are many wavelength-division multiplex that scheme realizes transmitting optical device.
The advantages of first way is array waveguide grating, abbreviation AWG, AWG is to use waveguide material, and integrated level is high, can
With chip of laser, detector chip with substrate prepare, functionally can concurrent multiplexing and demultiplexing, especially apply in more letter
Tool has great advantage when road (such as more than 8 channels), and operation wavelength can be applicable to CWDM, LWDM and DWDM, the disadvantage is that of high cost, slotting
Damage is big and coupling difficulty is higher etc..
The second way is etched diffraction grating, similar with AWG, and using waveguide material, integrated level is high, can with chip of laser or
Person's detector chip is prepared with substrate, can functionally realize multiplexing or demultiplexing, volume ratio AWG is half as large, and operation wavelength can answer
Used in CWDM, LWDM and DWDM, the disadvantage is that filtering characteristic is not perfect, of high cost, Insertion Loss is larger and coupling difficulty is higher etc..
The third mode is Thin Film Filter, is laterally held when advantage is at low cost, filtering characteristic is good, Insertion Loss is small and coupling
It is poor big, it is suitable for the situation of signal number less (below 16 channels), operation wavelength can be applicable to CWDM and LWDM, the disadvantage is that element
Independently, small size cutting is difficult, assembly precision is higher.4 × 10G, 4 × 25G devices for low cost, mostly use optical filter
Scheme.
4th kind of mode is polarized composite wave element or polarized composite wave element combines filter elements, and polarized composite wave element utilizes
The two mutually perpendicular linearly polarized lights of beam polarization state different refractive index in birefringece crystal realizes polarized composite wave, it the advantages of be
Light path is short, prepares simply, and the free space optical appearance of a street easily couples, the disadvantage is that the light beam after multiplex includes two kinds of light polarizations, because
There are polarization correlated when this is the coupling of rear end optical port, especially for transmitted at high speed optical device, due to wanting for return loss
It asks, generally use optoisolator carries out the echo of isolation link.Optoisolator includes two kinds, and one is polarization relationship type isolation
Device, mostly uses the polarizer, analyzer combination Magneto-optic Rotation crystal, and its feature is that transmitting light wave is only allowed and optical direction
Parallel polarization state passes through, remaining polarization state can be by the absorption of part to cause to be lost, and another kind is polarization independent type isolation
Device mostly uses birefringence crystal, and its feature is not limit the polarization state of input light, but it is not absorption-type, only will
Echo carries out deviation, and stray light is formed in device.For the first polarization relationship type isolator, when using polarized composite wave
When element carries out wavelength-division multiplex, since the light wave after multiplex includes two mutually perpendicular polarization states, in order to ensure multichannel light
Power uniformity, it usually needs use isolator using 45 degree of angles, to cause 3dB optical power losses.
Invention content
The present invention mainly solves the problems, such as to be lost caused by the isolator present in the prior art, provides a kind of polarization conjunction
The transmitting optical device of wave multiplexing.The device forms special light path using polarized composite wave element combination wave plate, can keep exporting
Light wave polarization state having the same, so as to avoid the loss of transmitting luminous power.
The above-mentioned technical problem of the present invention is mainly to be addressed by following technical proposals：
A kind of transmitting optical device of polarized composite wave multiplexing, including：At least two multiplexed lights；A wherein multiplexed light warp
It is exported again with another multiplexed light multiplex after half-wave plate rotation；The multiplexed light includes outer optical path and inner optical path；It is described
Outer optical path after the first polarized composite wave element reflexes to the reflecting surface of the first polarization rotator with through first polarization rotator
The inner optical path of transmission plane transmission transmits the first polarized composite wave element to form a multiplexed light again after converging.
Wherein, the transmitting optical device of described a kind of polarized composite wave multiplexing further includes：
Isolator is set between the first polarized composite wave element and half-wave plate, and width covers in two multiplexed lights
First polarized composite wave element.
Wherein, the outer optical path reflexes to the first polarized composite wave element through being totally reflected piece.
Wherein, through the multiplexed light of half-wave plate rotation after total reflection piece reflexes to the reflecting surface of the second polarized composite wave element
It is exported with another multiplexed light multiplex transmitted through the second polarized composite wave element.
Wherein, two multiplexed light axial symmetry settings.
Wherein, the first polarized composite wave element reflects flat polarization state light, transmissive Homeotropic polarization state light.
Wherein, the first polarization rotator includes carrying the zero degree optical filter of transmission plane and reflecting surface and being set to zero degree to filter
The quarter wave plate of mating plate both sides.
Wherein, the multiplexed light is set on the substrate of palarization multiplexing coupling optical assembly, and the palarization multiplexing couples light
Component is set in shell, and contact pin collimator and electrical interface is respectively set in the shell and tube sides；The electrical interface and multiplexed light
Light source at be disposed adjacent, be coupled to contact pin collimator after the output of the multiplex of multiplexed light.
Wherein, collimator is arranged in the front side of the chip of laser of outer optical path and inner optical path, and rear side is provided with monitoring and visits
Survey device chipset.
A kind of method of polarized composite wave multiplexing, including：It will be a kind of after half-wave plate rotates at least two multiplexed lights
It is exported again with another way multiplex；Wherein, the multiplexed light includes outer optical path and inner optical path；The outer optical path is through first
Polarized composite wave element reflex to after the reflecting surface of the first polarization rotator with through in the first polarization rotator transmission plane transmission
Sidelight road transmits the first polarized composite wave element to form a multiplexed light again after converging.
Therefore, the invention has the advantages that：Transmitted in parallel optical device proposed by the present invention, using level Hermetic Package form,
Polarized composite wave component uses contact pin collimator as wavelength-division demultiplex element and optical port, has low cost, function admirable, Gao Ke
By property, can mass, easy interchangeability.
Description of the drawings
Attached drawing 1 is transmitted in parallel optical device structure top view；
Attached drawing 2 is palarization multiplexing coupling optical assembly structure distribution figure；
Attached drawing 3 is the propagation principle figure of first via light path；
Attached drawing 4 is the propagation principle figure of the second tunnel light path；
Attached drawing 5 is the propagation principle figure of third road light path；
Attached drawing 6 is the propagation principle figure of the 4th tunnel light path.
Specific implementation mode
Below with reference to the embodiments and with reference to the accompanying drawing the technical solutions of the present invention will be further described.
Embodiment：
Transmitted in parallel optical device of the present invention can be applied to the feelings that the multichannel wavelength of CWDM and LWDM works at the same time
Shape illustrates for the ease of statement for emitting optical device below for four channels of CWDM, and wherein operation wavelength uses
CWDM's commonly uses four wavelength：λ1、λ2、λ3And λ4, such as 1271nm, 1291nm, 1311nm and 1331nm.
Device has different shapes according to the level Hermetic Package of shell and the difference of non-hermetically sealed encapsulation.
For convenience of description, for the explanation of attached drawing, there are orientation words, such as upper and lower, front, rear, left and right vocabulary, be with
Patent document attached drawing is foundation, and sight is reference with the body dimension of reader under the depression angle observation of paper.
These embodiments are not intended to limit the present invention, and those skilled in the art are made according to these embodiments
Structure, method or transformation functionally be included within the scope of protection of the present invention.
The transmitted in parallel optical device of the present embodiment is as shown in Figure 1, include contact pin collimator 101, shell 102, electrical interface
103, palarization multiplexing couples optical assembly 104, is wherein embedded in electrical interface 103 by encapsulating method in shell 102.Palarization multiplexing couples
Optical assembly 104 is placed on the inside of shell 102, places orientation and requires its internal optical component chip of laser group 2031-
2034 close to electrical interface 103, polarized composite wave element 2063 close to the optical port of shell 102, it is accurate that contact pin is placed at the optical port of shell 102
Straight device 101.Shell 102 uses level Hermetic Package, it is ensured that the optical element of device inside has high reliability.Entire device
The optical axises of all optical elements be respectively positioned in approximately the same plane.
Palarization multiplexing couples the enlarged drawing of optical assembly 104 as shown in Fig. 2, including substrate 201, chip of laser group 2021-
2024, monitoring detector chipset 2031-2034, collimation lens set 2041-2044, total reflection piece 2051-2053, polarized composite wave
Element (PBS, Polarization Beam Splitter) 2061-2063, isolator 207, half-wave plate 208, quarter wave plate
2091-2094, filter plate 2010-2011.
In space layout, the rightmost side is monitoring detector chipset 2031-2034, for receiving chip of laser group
The light energy backwards of 2021-2024 transmittings, as optical power monitoring.The left side of monitoring detector chipset 2031-2034 is sharp
Light device chipset 2021-2024, its forward direction light direction are left sides, and the preferential DFB chips of chip of laser group also can be selected
EML, FP type laser.The left side of chip of laser group 2021-2024 is collimation lens set 2041-2044, is used for laser
The forward light collimation that chipset 2021-2024 is sent out, therefore the light-emitting surface setting of chip of laser group 2021-2024 is collimating
The rear focal point of lens group 2041-2044.Collimation lens set 2041-2044 left side be arranged two groups of polarization rotators, two groups
Polarization rotator is separately positioned on the left side of the second road collimation lens 2042 and third road collimation lens 2043.In polarization rotator
Left side, as shown in Fig. 2, placing total reflection piece 2051, polarized composite wave element 2061, polarized composite wave element 2061 respectively from top to bottom
With total reflection piece 2052, and be totally reflected 2051 reflecting surface of piece towards bottom right setting, polarized composite wave element 2061 reflecting surface towards the right side
It is upper setting, polarized composite wave element 2062 reflecting surface towards bottom right setting, total reflection 2052 reflecting surface of piece towards upper right be arranged.Inclined
The left side of multiplex of shaking element 2061,2062 is isolator 207, the preferably magneto-optical isolator rectangular, with magnet ring of isolator 207,
And 207 width of isolator covers polarized composite wave element 2061,2062 enough, and the Magneto-optic Rotation inside isolator 207 is brilliant
Body is one piece of big crystal, therefore can meet the propagation of two-way light beam and angle and the isolation of polarization state having the same rotation
Degree.Half-wave plate 208 is set on the left side of isolator 207, the second road main optical path, and half-wave plate can change perpendicular linear polarization light
At horizontal linear polarization light.In the left side of half-wave plate 208 setting total reflection piece 2053, in 207 left side of isolator, total reflection piece 2053
Lower section setting polarized composite wave element 2063, the reflecting surface of polarized composite wave element 2063 is towards upper left.Polarized composite wave element
2063 left side is the optical window of shell 102, and primary optical axis is parallel with the primary optical axis of collimator 101 or overlaps.
For polarization rotator, by taking first polarization rotator as an example, by second quarter wave plate, 2091, first 1/4 waves
Piece 2092 and zero degree optical filter 2010 form, and wherein zero degree optical filter 2010 is placed on second quarter wave plate 2091, first 1/
The centre of 4 wave plates 2092, zero degree optical filter 2010 allow the inclination for having low-angle.The effect of polarization rotator is：For right side
Incident horizontal linear polarization light carries out transmission and polarization state is rotated into perpendicular polarisation state by horizontal state of polarization；For left side incidence
Horizontal linear polarization light carry out reflection and polarization state perpendicular polarisation state is equally rotated by horizontal state of polarization.Therefore polarization rotation
The horizontal polarization of arranged on left and right sides incidence can be rotated into vertical polarization by device.Certainly, change wave plate and rotation inside polarization rotator
Turn the thickness of crystal, the vertical polarization of arranged on left and right sides incidence can also be rotated into horizontal polarization, this example only with will it is horizontal partially
It shakes and illustrates for being rotated into vertical polarization.
The operation principle of polarization rotator is become after entering first quarter wave plate 2091 from left side for horizontal linear polarization light
At circularly polarized light, enter zero degree optical filter 2010 later.Zero degree optical filter 2010 is bandpass-type optical filter, by crossing the excellent of film layer
Change design, polarization-isotropic can be met.2010 wavelength transmissions for allowing right side incident of zero degree optical filter, and left side is entered
The wavelength reflection penetrated, therefore the circularly polarized light transmission of left side incidence, reach second quarter wave plate 2091, become vertical line later
Polarised light.And for the horizontal linear polarization light of right side incidence, become circular polarization after entering second quarter wave plate 2091 from right side
Light is transmitted into zero degree optical filter 2010 later, is reached second 1/4 wave plate 2091 later, is become perpendicular linear polarization
Light.
For polarized composite wave element 2061-2063, it is designed to：Horizontal state of polarization reflection, perpendicular polarisation state transmission.
It for isolator 207, is designed using polarization-maintaining type, please refers to the not outer patent of inventor
(CN201420110335.4), a reversed Magneto-optic Rotation crystal, Ke Yibao are added in the exit positions of conventional isolators
Perpendicular polarisation state is demonstrate,proved by being still perpendicular polarisation state after isolator 207.
The propagation of first via light path is as shown in Figure 3.The forward light that chip of laser 2021 is sent out is propagated to the left, later quilt
Collimation lens 2041 forms quasi-parallel light after collimating, using suitable collimation lens, it is ensured that the quasi-parallel distance light travels
Up to 40mm or more, meet the needs per light path all the way.Total reflection piece 2051 is reached after quasi-parallel light, is reached after being totally reflected inclined
Multiplex of shaking element 2061.Because the light of chip of laser transmitting is horizontal directrix polarised light, and lens and total reflection piece not shadow
The light for ringing polarization state, therefore reaching polarized composite wave element is still horizontal polarization light.Horizontal polarization light enters polarized composite wave element
It is vertically reflected after 2061, is propagated to the right, reach polarization rotator later, and be reflected back, and polarization state is rotated
For perpendicular polarisation state.The orthogonal polarized light transmission-polarizing multiplex element 2061 later reaches isolator 207, penetrates later later
Isolator 207 still keeps perpendicular polarisation state.Half-wave plate 208 is reached later, is rotated into horizontal state of polarization, reaches total reflection later
Piece 2053 reaches polarized composite wave element 2063 after being totally reflected, be reflected to left side later and propagate, reach shell 102 later
Optical window and enter in contact pin collimator 101, quasi-parallel light is converged onto in optical fiber in contact pin collimator 101 and exports.
The propagation of second tunnel light path is as shown in Figure 4.The forward light that chip of laser 2022 is sent out is propagated to the left, later quilt
Collimation lens 2042 forms quasi-parallel light after collimating.First quarter wave plate 2092 of polarization rotator is reached later, is revolved after outgoing
Change into orthogonal polarized light.Polarized composite wave element 2061 is reached later.Orthogonal polarized light enters after polarized composite wave element 2061 thoroughly
It penetrates, propagates to the left, reach isolator 207 later, still keep perpendicular polarisation state through isolator 207 later.Half is reached later
Wave plate 208 is rotated into horizontal state of polarization, reaches total reflection piece 2053 later, polarized composite wave element is reached after being totally reflected
2063, it is reflected to left side later and propagates, reaches the optical window of shell 102 later and enters in contact pin collimator 101, quasi-parallel light
It is converged onto in optical fiber and exports in contact pin collimator 101.
The propagation of third road light path is as shown in Figure 5.The forward light that chip of laser 2023 is sent out is propagated to the left, later quilt
Collimation lens 2043 forms quasi-parallel light after collimating.First quarter wave plate 2094 of polarization rotator, quilt after transmission are reached later
It is rotated into orthogonal polarized light.Polarized composite wave element 2062 is reached later.Orthogonal polarized light enters after polarized composite wave element 2062 thoroughly
It penetrates, propagates to the left, reach isolator 207 later, still keep perpendicular polarisation state through isolator 207 later.It reaches later inclined
Multiplex of shaking element 2063 is transmitted to left side and propagates, reaches the optical window of shell 102 later and enter contact pin collimator 101 later
Interior, quasi-parallel light is converged onto in optical fiber in contact pin collimator 101 and exports.
The propagation of 4th tunnel light path is as shown in Figure 6.The forward light that chip of laser 2024 is sent out is propagated to the left, later quilt
Collimation lens 2044 forms quasi-parallel light after collimating, and reaches total reflection piece 2052 later, and polarized composite wave member is reached after being totally reflected
Part 2062.Horizontal polarization light is vertically reflected after entering polarized composite wave element 2062, is propagated to the right, reaches polarization rotation later
Device, and be reflected back, and polarization state is rotated to be perpendicular polarisation state.The orthogonal polarized light transmission-polarizing multiplex element later
2062, isolator 207 is reached later, still keeps perpendicular polarisation state through isolator 207 later.Polarized composite wave element is reached later
2063, it is transmitted to left side later and propagates, reaches the optical window of shell 102 later and enters in contact pin collimator 101, quasi-parallel light
It is converged onto in optical fiber and exports in contact pin collimator 101.
With the above structure, the present embodiment can be applied to CWDM, LWDM wavelength, can be packaged in CFP, CFP2, CFP4,
CFP8, QSFP+, QSFP28, etc. in modules.
Specific embodiment described herein is only an example for the spirit of the invention.Technology belonging to the present invention is led
The technical staff in domain can make various modifications or additions to the described embodiments or replace by a similar method
In generation, however, it does not deviate from the spirit of the invention or beyond the scope of the appended claims.
Claims (10)
1. a kind of transmitting optical device of polarized composite wave multiplexing, which is characterized in that including：At least two multiplexed lights；Wherein one
Multiplexed light is exported with another multiplexed light multiplex again after half-wave plate rotates；The multiplexed light includes outer optical path and inside
Light path；The outer optical path after the first polarized composite wave element reflexes to the reflecting surface of the first polarization rotator with through this first partially
The inner optical path of the circulator transmission plane that shakes transmission transmits the first polarized composite wave element to form a multiplexing again after converging
Light path.
2. a kind of transmitting optical device of polarized composite wave multiplexing according to claim 1, which is characterized in that further include：
Isolator is set between the first polarized composite wave element and half-wave plate, and width covers first in two multiplexed lights
Polarized composite wave element.
3. a kind of transmitting optical device of polarized composite wave multiplexing according to claim 1, which is characterized in that the outer optical path
The first polarized composite wave element is reflexed to through being totally reflected piece.
4. a kind of transmitting optical device of polarized composite wave multiplexing according to claim 1, which is characterized in that rotated through half-wave plate
Multiplexed light after total reflection piece reflexes to the reflecting surface of the second polarized composite wave element with through the second polarized composite wave element
Another multiplexed light multiplex output of transmission.
5. a kind of transmitting optical device of polarized composite wave multiplexing according to claim 1, which is characterized in that two multiplexed lights
Axial symmetry is arranged.
6. a kind of transmitting optical device of polarized composite wave multiplexing according to claim 1, which is characterized in that first polarization
Multiplex element reflects flat polarization state light, transmissive Homeotropic polarization state light.
7. a kind of transmitting optical device of polarized composite wave multiplexing according to claim 1, which is characterized in that the first polarization rotation
Device includes the zero degree optical filter for carrying transmission plane and reflecting surface and the quarter wave plate for being set to zero degree optical filter both sides.
8. a kind of transmitting optical device of polarized composite wave multiplexing according to claim 1, which is characterized in that the multiplexed light
It is set on the substrate of palarization multiplexing coupling optical assembly, the palarization multiplexing coupling optical assembly is set in shell, the shell
Contact pin collimator and electrical interface is respectively set in both sides；It is disposed adjacent at the electrical interface and the light source of multiplexed light, multiplexed light
Multiplex output after be coupled to contact pin collimator.
9. a kind of transmitting optical device of polarized composite wave multiplexing according to claim 1, which is characterized in that outer optical path and interior
Collimator is arranged in the front side of the chip of laser on sidelight road, and rear side is provided with monitoring detector chipset.
10. a kind of method of polarized composite wave multiplexing, which is characterized in that including：It will be a kind of through half at least two multiplexed lights
It is exported again with another way multiplex after wave plate rotation；Wherein, the multiplexed light includes outer optical path and inner optical path；The outside
Light path transmits after the first polarized composite wave element reflexes to the reflecting surface of the first polarization rotator with through first polarization rotator
The inner optical path of face transmission transmits the first polarized composite wave element to form a multiplexed light again after converging.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810234114.0A CN108535811A (en) | 2018-03-21 | 2018-03-21 | A kind of the transmitting optical device and method of polarized composite wave multiplexing |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810234114.0A CN108535811A (en) | 2018-03-21 | 2018-03-21 | A kind of the transmitting optical device and method of polarized composite wave multiplexing |
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| CN108535811A true CN108535811A (en) | 2018-09-14 |
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| CN201810234114.0A Pending CN108535811A (en) | 2018-03-21 | 2018-03-21 | A kind of the transmitting optical device and method of polarized composite wave multiplexing |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102611505A (en) * | 2012-03-30 | 2012-07-25 | 上海波汇通信科技有限公司 | Light emitting device for multi-wavelength high-speed transmission |
| CN102662215A (en) * | 2012-05-09 | 2012-09-12 | 上海波汇通信科技有限公司 | Wavelength division multiplexing photoelectric emission module |
| CN102662219A (en) * | 2012-05-09 | 2012-09-12 | 上海波汇通信科技有限公司 | Light emitting device for transmitting multi-wavelength signal |
| CN103503339A (en) * | 2013-03-04 | 2014-01-08 | 华为技术有限公司 | Optical transmitter, signal transmission method and system |
| CN203422496U (en) * | 2013-09-18 | 2014-02-05 | 福州高意通讯有限公司 | Transmitter wavelength division multiplexing optical structure and optical transmitter module |
| CN104734800A (en) * | 2013-12-24 | 2015-06-24 | 华为技术有限公司 | Optical multiplexer and emitting light device |
| US20170242206A1 (en) * | 2014-10-27 | 2017-08-24 | Xuzhou Xuhai Opto-Electronic Technologies Co., Ltd. | Micro single-fiber bidirectional optical transceiver module of the same wavelength |
-
2018
- 2018-03-21 CN CN201810234114.0A patent/CN108535811A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102611505A (en) * | 2012-03-30 | 2012-07-25 | 上海波汇通信科技有限公司 | Light emitting device for multi-wavelength high-speed transmission |
| CN102662215A (en) * | 2012-05-09 | 2012-09-12 | 上海波汇通信科技有限公司 | Wavelength division multiplexing photoelectric emission module |
| CN102662219A (en) * | 2012-05-09 | 2012-09-12 | 上海波汇通信科技有限公司 | Light emitting device for transmitting multi-wavelength signal |
| CN103503339A (en) * | 2013-03-04 | 2014-01-08 | 华为技术有限公司 | Optical transmitter, signal transmission method and system |
| CN203422496U (en) * | 2013-09-18 | 2014-02-05 | 福州高意通讯有限公司 | Transmitter wavelength division multiplexing optical structure and optical transmitter module |
| CN104734800A (en) * | 2013-12-24 | 2015-06-24 | 华为技术有限公司 | Optical multiplexer and emitting light device |
| US20170242206A1 (en) * | 2014-10-27 | 2017-08-24 | Xuzhou Xuhai Opto-Electronic Technologies Co., Ltd. | Micro single-fiber bidirectional optical transceiver module of the same wavelength |
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Application publication date: 20180914 |