CN206649185U - One kind miniaturization optical circulator - Google Patents
One kind miniaturization optical circulator Download PDFInfo
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- CN206649185U CN206649185U CN201621396439.1U CN201621396439U CN206649185U CN 206649185 U CN206649185 U CN 206649185U CN 201621396439 U CN201621396439 U CN 201621396439U CN 206649185 U CN206649185 U CN 206649185U
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- Prior art keywords
- beam splitter
- polarizing beam
- degree
- faraday rotation
- polarized component
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Abstract
The application is related to a kind of miniaturization optical circulator of optical-fibre communications field, including two polarizing beam splitters and 45 degree of Faraday rotation pieces, the optical signal of first light path is after common port input, by the first polarizing beam splitter, the first polarized component and the second polarized component are separated into, the first polarized component first passes around 45 degree of Faraday rotation pieces, is reflected back after reaching the second polarizing beam splitter, and at least pass through 45 degree of Faraday rotation pieces and the first polarizing beam splitter successively, reach receiving terminal；After second polarized component is separated, the primary event at least through the first polarizing beam splitter reaches receiving terminal；The optical signal of second light path, successively by the second polarizing beam splitter, 45 degree of Faraday rotation pieces and the first polarizing beam splitter, is exported after transmitting terminal input by common port.The utility model small volume, it is easy to integrate, and cost is low.
Description
Technical field
The utility model patent belongs to technical field of optical fiber communication, and in particular to one kind miniaturization optical circulator.
Background technology
Optical circulator is normally used for optical communication system and optical measuring system, and optical circulator is that a kind of multiport is defeated
Enter the nonreciprocity optics of output, its effect is optical signal is transmitted along defined port order, i.e., when light is believed
When number being inputted from the port that certain is specified, it can only be exported from another specific port, if by this defined port order output,
Then loss of the device to optical signal is very big, plays a part of isolating optical signal.
Due to this transmission characteristic of optical circulator, the important devices in two-way communication are become, it can be used for will be same
The optical signal of positive transmission and reverse transfer separates in a piece optical fiber, realizes the purpose of single fiber bi-directional communication.
In existing optical communication system, substantial amounts of Ethernet optical module receives and dispatches optical signal with identical wavelength, due to
The missing of optical circulator is minimized, in order to coordinate such module work, people must be same to realize respectively with two optical fiber
The reception of optical signal and emission function in module, so cause the waste of a large amount of fiber resources.
Chinese patent CN102364364A provides a more typical optical circulator.As shown in fig. 6, the optical circulator
Including 2 three transmitting terminal 1, receiving terminal 3 and common port ports, and by the first polarizing beam splitter 41, the second polarizing beam splitter 42,
The light path of the compositions such as the 3rd polarizing beam splitter 43, speculum 5, half-wave plate 6, magnet ring 7, magnetic rotation mating plate 8.Light beam is from ring of light shape
The transmitting terminal of device is after the first polarizing beam splitter, magnetic rotation mating plate, 22.5 ° of half-wave plates 9, the second polarizing beam splitter by public termination
Receive；The incident parallel direction polarised light of common port is through the second polarizing beam splitter, magnetic rotation mating plate, 22.5 ° of half-wave plates, the first polarization point
Received after light device, 45 ° of half-wave plates, the 3rd polarizing beam splitter by receiving terminal, vertical direction polarised light is through the second polarizing beam splitter, anti-
Received after penetrating mirror, the 3rd polarizing beam splitter by receiving terminal.Due to this transmission characteristic of optical circulator, we can integrate it
The optical signal of positive transmission and reverse transfer in same root optical fiber is separated in optical device, realizes the mesh of single fiber bi-directional communication
's.Above-mentioned prior art is the optical circulator scheme for having typical representative, but such commercial ring of light type device bulky, will
It is integrated into that same small-sized optical assembly is more difficult, hinders the market application of device.In addition, existing commercial optical circulator is adopted
Optical module is more, and price is higher, is also restricted its application.
Utility model content
The purpose of this utility model is to provide a kind of optical circulator of miniaturization, and optical circulator of the present utility model uses
Less optical module, small volume, same small-sized optical assembly is desirably integrated into, and cost is also greatly lowered, it is existing so as to solve
The problem of optical module that optical circulator uses is more, and volume is big, is not easy to integrate, and price is higher.
To achieve the above object, one embodiment of the present utility model provides a kind of miniaturization optical circulator, including end
Mouth T1, port T2, port T3 (common port, receiving terminal, transmitting terminal) and optical module, wherein, optical module includes the first polarization
Optical splitter, 45 degree of Faraday rotation pieces and the second polarizing beam splitter；When optical signal from port T1 (common port) input, by optics
When component is exported by port T2 (receiving terminal), the first light path is formed, the optical signal of the first light path passes through the first polarizing beam splitter, quilt
Mutually perpendicular first polarized component in polarization direction and the second polarized component are separated into, the first polarized component first passes around 45 degree of methods
Revolving fragment is drawn, the second polarizing beam splitter is reached, is reflected by the second polarizing beam splitter, and at least pass through 45 degree of farads successively
Revolving fragment and the first polarizing beam splitter, reach port T2 (receiving terminal)；After second polarized component is separated, at least through first
The primary event of polarizing beam splitter reaches port T2 (receiving terminal)；When optical signal from port T3 (transmitting terminal) input, by optics
When component is exported by port T1 (common port), the second light path is formed, the optical signal of the second light path passes through the second polarization spectro successively
Device, 45 degree of Faraday rotation pieces and the first polarizing beam splitter, exported by port T1 (common port).
As one preferred embodiment of the utility model, optical module also includes reflective polarizing controller, first
In light path, optical signal passes through the first polarizing beam splitter, is separated into mutually perpendicular first polarized component in polarization direction and second
Polarized component, the first polarized component enter 45 degree of Faraday rotation pieces, are reflected by the second polarizing beam splitter, again pass by 45
Faraday rotation piece and the first polarizing beam splitter are spent, is also exported by port T2；Second polarized component then enters reflective polarizing control
It is reflected back after device processed, then is exported after the first polarizing beam splitter from port T2..
In the first light path, it is that optical signal is inclined by first using another alternative of reflective polarizing controller
Shake optical splitter, is separated into mutually perpendicular first polarized component in polarization direction and the second polarized component, the first polarized component are entered
Enter 45 degree of Faraday rotation pieces, reflected by the second polarizing beam splitter, again pass by 45 degree of Faraday rotation pieces and reenter
First polarizing beam splitter, it is reflected back again after being reflected into reflective polarizing controller, then by the first polarizing beam splitter
Also exported afterwards by port T2；Second polarized component then directly exports from port T2.
As the further improvement of the utility model embodiment, the first polarizing beam splitter and the second polarizing beam splitter are polarizations
Light splitting piece or polarization spectro cube.
As the further improvement of the utility model embodiment, reflective polarizing controller is by a quarter wave plate and one
Reflector forms, in the first light path, into reflective polarizing controller input optical signal after quarter wave plate, reflected
Device is reflected back quarter wave plate, again passes by quarter wave plate and exports.Herein, quarter wave plate can be appointed by 1/2 wave plate, 3/4 wave plate etc.
What N/4 wave plate substitutes, and wherein N is 1,2,3,4 ... such natural numbers, can also be substituted by 45 degree of Faraday rotation pieces.
As the further improvement of the utility model embodiment, reflective polarizing controller is by 45 degree of Faraday rotations
Piece and a polarization spectro piece form, and in the first light path, the optical signal into reflective polarizing controller input passes through 45 degree
After Faraday rotation piece, 45 degree of Faraday rotation pieces are reflected back by polarization spectro piece, again pass by 45 degree of Faraday rotation pieces simultaneously
Output.
As the further improvement of the utility model embodiment, reflector can use a speculum, particularly be all-trans
Penetrate eyeglass.
As the further improvement of the utility model embodiment, described miniaturization optical circulator includes some pieces of optical throughs
Part, some pieces of described thang-kng devices are arranged between the first polarizing beam splitter and reflective polarizing controller, or are installed on
Within reflective polarizing controller；It can also be arranged between the first polarizing beam splitter and 45 degree of Faraday rotation pieces, Huo Zhe
Between 45 degree of Faraday rotation pieces and the second polarizing beam splitter.
Miniaturization optical circulator of the present utility model is compared to having advantages below for prior art：The utility model pole
The big volume for reducing existing optical circulator, makes it be integrated into possibility in small-sized optical assembly；Meanwhile the utility model
The element and technique of middle utilization are extremely ripe, and cost is relatively low.
Brief description of the drawings
Fig. 1 is single fiber bi-directional transmission optical circulator schematic diagram of the present utility model；
Fig. 2 be in specific embodiment of the utility model one optical signals T3 port transmissions to t1 port schematic diagram；
Fig. 3 is that optical signals t1 port is transferred to T2 ports schematic diagram in specific embodiment of the utility model one；
Fig. 4 be in specific embodiment of the utility model two optical signals T3 port transmissions to t1 port schematic diagram；
Fig. 5 is that optical signals t1 port is transferred to T2 ports schematic diagram in specific embodiment of the utility model two；
Fig. 6 is the schematic diagram of optical circulator in the prior art.
Embodiment
To make to have the purpose of this utility model, construction feature and its function further understanding, coordinate accompanying drawing specifically
It is bright as follows.It should be appreciated that the specific embodiment described by this part only can be used to explain the utility model, it is not used to limit this
Utility model.
Miniaturization optical circulator of the present utility model, including common port, receiving terminal, transmitting terminal, and by the first polarization spectro
The optical module that device, reflective polarizing controller, 45 degree of Faraday rotation pieces and the second polarizing beam splitter form.
The effect of first polarizing beam splitter is that optical signal is separated into mutually perpendicular first polarized component in polarization direction (no
Lose general, it will be assumed that be p light) and the second polarized component (without loss of generality, it will be assumed that be s light).First polarizing beam splitter one
As can be made up of polarization spectro cube or polarization spectro piece.Polarization spectro cube is also known as polarization splitting prism, by one
Right-angled triangular prism fitting is formed, polarization spectro dielectric film is coated with binding face, the non-polarized light of incidence can be divided into
The vertical linearly polarized light of two beams (p light and s light).In one embodiment, p light completely by, and s light is reflected with 45 degree of angles,
Exit direction and p light are into an angle of 90 degrees, and p light and s polarization direction are orthogonal.
The effect of reflective polarizing controller is to change polarization direction and the reflection of incident line polarisation, makes the polarization of reflected light
Direction is orthogonal into 90 degree with former incident polarization direction, is typically made up of quarter wave plate plus speculum.
Here, those skilled in the art will be understood that quarter wave plate can be by any N/4 wave plates such as 1/2 wave plate, 3/4 wave plate
Substitute, wherein N is 1,2,3,4 ... such natural numbers, can also be substituted by 45 degree of Faraday rotation pieces.
When 45 degree of Faraday rotation pieces are used for reflective polarizing controller, the speculum in component can be by polarization point
Mating plate substitutes.
The effect of second polarizing beam splitter is a certain polarized component of transmission, and reflects its quadrature component.Second polarization spectro
Device typically by polarization spectro piece, is made preferably by film-coating type polarization spectro piece.Its reflection of polarization direction and the first polarization point
Amount in angle of 45 degrees (clockwise or counter-clockwise all can, without loss of generality, be set in the utility model clockwise press from both sides
Angle).
With reference to figure 1, miniaturization optical circulator of the present utility model, port T1 is common port, and port T2 is receiving terminal, port
T3 is transmitting terminal, when optical signal from port T1 input, by optical module from port T2 export when, be configured to the first light path, i.e.,
After entry port T1 optical signal is by the first light path, in port, T2 is exported.When optical signal from port T3 input, by optics group
Part from port T1 export when, be configured to the second light path, i.e., entry port T3 optical signal by the second light path after, in port, T1 is defeated
Go out.Those skilled in the art will be understood that in the working condition of optical circulator, and the first light path and the second light path are can be simultaneously
And deposit.
Accompanying drawing 2 shows a preferred embodiment of the second light path of the present utility model, in the second light path, input light letter
Number it is linearly polarized light, the polarization direction of input linear polarised light is consistent with the transmission direction of the second polarizing beam splitter 400, the optical signal
By port T3 successively via 400,45 degree of Faraday rotation pieces 300 of the second polarizing beam splitter after, polarization direction occur 45 degree deflect,
Become (p light) consistent with the first polarized component polarization, so as to by the first polarizing beam splitter 100, be exported from port T1.
As shown in Figure 3, in the first light path, by the optical signal that port T1 is inputted after the first polarizing beam splitter 100, quilt
Mutually perpendicular first polarized component in polarization direction (p light) and the second polarized component (s light) are separated into, the second polarized component is anti-
Inject into quarter wave plate 200, by being reflected after quarter wave plate 200 by reflector 201, after again passing by quarter wave plate 200, go out
Penetrate optical signal polarization direction occur 90 degree deflect (becoming p light), transmitted through the first polarizing beam splitter 100 after it is defeated from port T2
Go out；First polarized component then enters 45 degree of Faraday rotation pieces 300, is reflected, again passes by by the second polarizing beam splitter 400
After 45 degree of Faraday rotation pieces 300,90 degree of deflections (becoming s light) also occur for the polarization direction for being emitted optical signal, by the first polarization
Optical splitter 100 reflects, and is also exported by port T2.Herein, those skilled in the art will be understood that reflector 201 can be adopted
, can also be using the metal film or multilayer dielectric film of high reflection with total reflection eyeglass.
In said structure, reflective polarizing controller is made up of quarter wave plate 200 and reflector 201, can also use one
45 degree of Faraday rotation pieces substitute quarter wave plate 200 reflective polarizing controller is made, when 45 degree of Faraday rotation pieces are used for
During reflective polarizing controller, the speculum in component can be substituted by polarization spectro piece.Linearly polarized light passes twice through 45 degree of methods
After drawing revolving fragment, outgoing optical signal is set to be rotated by 90 ° with respect to the polarization direction of incident optical signal.
Meanwhile those skilled in the art will be understood that quarter wave plate can be by any N/4 wave plates such as 1/2 wave plate, 3/4 wave plate
Substitute, wherein N is 1,2,3,4 ... such natural numbers.
For example, in a preferred embodiment, quarter wave plate is replaced using 1/2 wave plate, reflector at this moment is corner reflection
Device.The linearly polarized light polarization direction of the optical axis of 1/2 wave plate and incidence is into 45 degree of angles.Corner reflector makes incident optical signal reverse, but
Angle is constant, and two total reflection eyeglasses for turning into right angle can be used to make.When linearly polarized light passes through 1/2 wave plate rear polarizer direction
It is rotated by 90 °, then is emitted after two secondary reflections of corner reflector, emergent light is in opposite direction with incident light.But 1/2 wave plate is only made
With once, it is rotated by 90 ° so that being emitted optical signal with respect to the polarization direction of incident optical signal.
In another preferred embodiment, quarter wave plate is replaced using 3/4 wave plate, reflector at this moment can use entirely
Reflecting optics, the metal film or multilayer dielectric film of high reflection can also be used.Incident linearly polarized light passes through anti-after 3/4 wave plate
Emitter reflects, and after again passing by 3/4 wave plate, 90 degree of deflections occur for the polarization direction for being emitted optical signal.
The transmission path of the first light path and the second light path in another embodiment is shown respectively in Fig. 4 and Fig. 5, itself and previous implementation
The difference of example is that 90 degree of deflections occur for the placement in the placement and specific implementation example one of the first polarizing beam splitter, correspondingly,
First optical circuit path changes.
As shown in Figure 4, in the second light path, the linearly polarized photon of input is by port T3 successively via the second polarizing beam splitter
400th, 45 degree of polarizing beam splitters 100 of Faraday rotation piece 300 and first, exported from port T1.
As shown in Figure 5, in the first light path, input optical signal is separated by port T1 after the first polarizing beam splitter 100
For mutually perpendicular first polarized component in polarization direction (p light) and the second polarized component (s light), the second polarized component is reflected,
Directly exported from port T2；First polarized component then enters 45 degree of Faraday rotation pieces 300, anti-by the second polarizing beam splitter 400
It is emitted back towards and, again passes by 45 degree of Faraday rotation pieces 300 and reenter the first polarizing beam splitter 100, now the first polarized component
90 degree of deflections (s light) occur for polarization direction, after being reflected into quarter wave plate 200, are reflected by reflector 201, again pass by 1/
After 4 wave plates 200,90 degree of deflections (p light) occur once again for the first polarized component polarization direction, transmitted through the first polarizing beam splitter 100
Also exported afterwards by port T2.
In above-mentioned Fig. 5 structure, reflective polarizing controller is made up of quarter wave plate 200 and reflector 201, this area
Technical staff will be understood that reflective polarizing controller can also be substituted with 45 degree of Faraday rotation piece quarter wave plate 200 come
Reflective polarizing controller is made, when 45 degree of Faraday rotation pieces are used for reflective polarizing controller, the reflection in component
Mirror can be substituted by polarization spectro piece.After linearly polarized light passes twice through 45 degree of Faraday rotation pieces, outgoing optical signal is set to enter relatively
The polarization direction for penetrating optical signal is rotated by 90 °.
In existing optical communication system, because some applications need higher transmission rate, therefore believe for transmission light
Number the first polarized component and the second polarized component signal delay it is very sensitive.In order to solve this problem of signal delay,
Miniaturization optical circulator of the present utility model is provided with some pieces of thang-kng devices, inclined by setting thang-kng device to change first
Shaken component or the light path of the second polarized component so that their light path is consistent, and eliminates the signal delay that original optical path is brought
Influence.
Described thang-kng device is typically made up of non-conductive medium plain film, and typical thang-kng device has the glass of various refractive indexes
Glass body, silicon chip etc..These thang-kng devices, can be arranged between the first polarizing beam splitter and reflective polarizing controller, or
Person is installed within reflective polarizing controller；Can also be arranged on the first polarizing beam splitter and 45 degree of Faraday rotation pieces it
Between, or between 45 degree of Faraday rotation pieces and the second polarizing beam splitter.
Described above, only the best embodiment of the utility model is not intended to limit the scope of the utility model, all
The equivalent change or modification made according to present utility model application the scope of the claims, it is all that the utility model is covered.
Claims (10)
1. one kind miniaturization optical circulator, including common port, receiving terminal, transmitting terminal and optical module, it is characterised in that：
The optical module includes the first polarizing beam splitter, 45 degree of Faraday rotation pieces and the second polarizing beam splitter；
When optical signal from common port input, when being exported by optical module by receiving terminal, form the first light path, first light path
Optical signal pass through the first polarizing beam splitter, be separated into mutually perpendicular first polarized component in polarization direction and second polarization point
Amount, first polarized component first pass around 45 degree of Faraday rotation pieces, reach the second polarizing beam splitter, are polarized by described second
Spectrophotometric reflection is returned, and at least passes through 45 degree of Faraday rotation pieces and the first polarizing beam splitter successively, reaches receiving terminal；
After second polarized component is separated, the primary event at least through first polarizing beam splitter reaches receiving terminal；
When optical signal from transmitting terminal input, when being exported by optical module by common port, form the second light path, second light path
Optical signal pass through the second polarizing beam splitter, 45 degree of Faraday rotation pieces and the first polarizing beam splitter successively, exported by common port.
2. miniaturization optical circulator as claimed in claim 1, it is characterised in that：It is inclined that described optical module also includes reflection-type
Shake controller, and in first light path, optical signal passes through the first polarizing beam splitter, and it is mutually perpendicular to be separated into polarization direction
First polarized component and the second polarized component, the first polarized component enters 45 degree of Faraday rotation pieces, by the second polarizing beam splitter
Reflect, again pass by 45 degree of Faraday rotation pieces and the first polarizing beam splitter, also exported by receiving terminal；Second polarized component
It is reflected back after then entering reflective polarizing controller, then is exported after the first polarizing beam splitter from receiving terminal.
3. miniaturization optical circulator as claimed in claim 1, it is characterised in that：It is inclined that described optical module also includes reflection-type
Shake controller, and in first light path, optical signal passes through the first polarizing beam splitter, and it is mutually perpendicular to be separated into polarization direction
First polarized component and the second polarized component, the first polarized component enters 45 degree of Faraday rotation pieces, by the second polarizing beam splitter
Reflect, again pass by 45 degree of Faraday rotation pieces and reenter the first polarizing beam splitter, be reflected into reflective polarizing
It is reflected back after controller, then is also exported after the first polarizing beam splitter by receiving terminal again；Second polarized component is then direct
Exported from receiving terminal.
4. miniaturization optical circulator as claimed in claim 2 or claim 3, it is characterised in that：First polarizing beam splitter and second
Polarizing beam splitter is polarization spectro piece or polarization spectro cube.
5. miniaturization optical circulator as claimed in claim 4, it is characterised in that：The reflective polarizing controller is by a N/
4 wave plates and a reflector composition, wherein N is 1,2,3,4 ... such natural numbers；In first light path, into anti-
The optical signal of emitting Polarization Controller input is reflected back N/4 wave plates after N/4 wave plates, by reflector, again passes by N/4 ripples
Piece simultaneously exports.
6. miniaturization optical circulator as claimed in claim 4, it is characterised in that：The reflective polarizing controller is by one 45
Spend Faraday rotation piece and a reflector forms, in first light path, into the light of reflective polarizing controller input
Signal is reflected back 45 degree of Faraday rotation pieces after 45 degree of Faraday rotation pieces, by reflector, again passes by 45 degree of faraday
Revolving fragment simultaneously exports.
7. miniaturization optical circulator as claimed in claim 4, it is characterised in that：The reflective polarizing controller is by one 45
Spend Faraday rotation piece and a polarization spectro piece forms, in first light path, into reflective polarizing controller input
Optical signal after 45 degree of Faraday rotation pieces, 45 degree of Faraday rotation pieces are reflected back by polarization spectro piece, again pass by 45
Degree Faraday rotation piece simultaneously exports.
8. the miniaturization optical circulator as described in claim 5 or 6, it is characterised in that：The reflector is a speculum.
9. the miniaturization optical circulator as described in claim 5 or 6 or 7, it is characterised in that：Described miniaturization optical circulator bag
Include some pieces of thang-kng devices, some pieces of described thang-kng devices be arranged on the first polarizing beam splitter and reflective polarizing controller it
Between, either it is installed within reflective polarizing controller or is arranged on the first polarizing beam splitter and 45 degree of Faraday rotation pieces
Between, or between 45 degree of Faraday rotation pieces and the second polarizing beam splitter.
10. the miniaturization optical circulator as described in claim 1 or 2 or 3 or 5 or 6 or 7, it is characterised in that：In the second light path
In, the optical signal of input is linearly polarized photon.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621396439.1U CN206649185U (en) | 2016-12-19 | 2016-12-19 | One kind miniaturization optical circulator |
| US16/471,553 US11346988B2 (en) | 2016-12-19 | 2017-11-17 | Miniaturized optical circulator |
| PCT/CN2017/111616 WO2018113463A1 (en) | 2016-12-19 | 2017-11-17 | Miniaturized optical circulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621396439.1U CN206649185U (en) | 2016-12-19 | 2016-12-19 | One kind miniaturization optical circulator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206649185U true CN206649185U (en) | 2017-11-17 |
Family
ID=60283188
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621396439.1U Expired - Fee Related CN206649185U (en) | 2016-12-19 | 2016-12-19 | One kind miniaturization optical circulator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206649185U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108205173A (en) * | 2016-12-19 | 2018-06-26 | 陈佩娟 | A kind of miniaturization optical circulator |
| WO2018113463A1 (en) * | 2016-12-19 | 2018-06-28 | 陈佩娟 | Miniaturized optical circulator |
| CN108227096A (en) * | 2018-03-29 | 2018-06-29 | 四川华拓光通信股份有限公司 | The compact optical module and optical transmission method of transceiver are realized under co-wavelength |
| CN108227097A (en) * | 2018-03-29 | 2018-06-29 | 四川华拓光通信股份有限公司 | Light transmit-receive integrated optical device and optical transmission method are realized under co-wavelength |
| CN108363144A (en) * | 2018-05-09 | 2018-08-03 | 上海飞博激光科技有限公司 | A kind of high-power fiber circulator based on curved surface end caps |
| WO2019112856A1 (en) * | 2017-12-06 | 2019-06-13 | Google Llc | Integrated optical circulators enabling polarization diversity |
-
2016
- 2016-12-19 CN CN201621396439.1U patent/CN206649185U/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108205173A (en) * | 2016-12-19 | 2018-06-26 | 陈佩娟 | A kind of miniaturization optical circulator |
| WO2018113463A1 (en) * | 2016-12-19 | 2018-06-28 | 陈佩娟 | Miniaturized optical circulator |
| WO2019112856A1 (en) * | 2017-12-06 | 2019-06-13 | Google Llc | Integrated optical circulators enabling polarization diversity |
| CN110662991A (en) * | 2017-12-06 | 2020-01-07 | 谷歌有限责任公司 | Integrated optical circulator for realizing polarization diversity |
| US10775637B2 (en) | 2017-12-06 | 2020-09-15 | Google Llc | Integrated optical circulator enabling polarization diversity |
| CN110662991B (en) * | 2017-12-06 | 2021-09-14 | 谷歌有限责任公司 | Integrated optical circulator for realizing polarization diversity |
| US11340468B2 (en) | 2017-12-06 | 2022-05-24 | Google Llc | Integrated optical circulator enabling polarization diversity |
| CN108227096A (en) * | 2018-03-29 | 2018-06-29 | 四川华拓光通信股份有限公司 | The compact optical module and optical transmission method of transceiver are realized under co-wavelength |
| CN108227097A (en) * | 2018-03-29 | 2018-06-29 | 四川华拓光通信股份有限公司 | Light transmit-receive integrated optical device and optical transmission method are realized under co-wavelength |
| CN108363144A (en) * | 2018-05-09 | 2018-08-03 | 上海飞博激光科技有限公司 | A kind of high-power fiber circulator based on curved surface end caps |
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