CN207301568U - A kind of photonic crystal fiber electrooptical switching - Google Patents
A kind of photonic crystal fiber electrooptical switching Download PDFInfo
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- CN207301568U CN207301568U CN201720848395.XU CN201720848395U CN207301568U CN 207301568 U CN207301568 U CN 207301568U CN 201720848395 U CN201720848395 U CN 201720848395U CN 207301568 U CN207301568 U CN 207301568U
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- photonic crystal
- crystal fiber
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Abstract
The utility model discloses a kind of photonic crystal fiber electrooptical switching, the photonic crystal fiber electrooptical switching includes：Photonic crystal fiber, two electrodes, waveguide and external voltage device；The electrode and the waveguide are located at the inside of the photonic crystal fiber；The fluent material that the waveguide includes the fibre core of the photonic crystal fiber and is filled in the first clad region stomata of the photonic crystal fiber；The electrode is formed by the metal material being filled in the second clad region stomata of the photonic crystal fiber；The side of the photonic crystal fiber is equipped with two holes, two holes are connected with two electrodes respectively, conductive material is filled in the hole, the external voltage device connects into path by the conductive material and the electrode, so as to reach the effect that junction loss is low, coupling added losses are low, switch power is low and the response time is fast.
Description
Technical field
The utility model belongs to electrooptical switching technical field, more particularly to a kind of photonic crystal fiber electrooptical switching.
Background technology
Electrooptical switching has been widely used in photosphere route choosing as optic communication and the Primary Component of all-optical network of new generation
Select, optical cross connect, optical add/drop multiplexer, optical-fiber network monitoring etc. field.It is directional coupled electric light than more typical electrooptical switching
Switch, but it can be produced compared with lossy when fiber coupling connects.And though the coupling efficiency of existing integrated waveguide and optical fiber can
To reach more than 60%, but the added losses of strap are but significantly larger than the junction loss of all-fiber devices.Fiber electro-optic
The mainstream scheme of switch has Fiber Bragg Grating FBG type, long-period fiber grating type, photonic crystal fiber band gap type etc., but it is opened
The response time for closing power height and electrooptical switching is slow.
Therefore, exist in the prior art electrooptical switching and during fiber coupling can junction loss is big, couple added losses greatly,
The technical problem that switch power is high and the response time is slow.
Utility model content
The main purpose of the utility model is that propose a kind of photonic crystal fiber electrooptical switching, it is intended to which there is electricity for solution
Photoswitch with can junction loss be big, couples the technology that added losses are big, switch power is high and the response time is slow asks during fiber coupling
Topic.
To achieve the above object, the utility model provides a kind of photonic crystal fiber electrooptical switching, the photonic crystal light
Fine electrooptical switching includes：Photonic crystal fiber, two electrodes, waveguide and external voltage device；
The electrode and the waveguide are located at the inside of the photonic crystal fiber；
The waveguide includes the fibre core of the photonic crystal fiber and is filled in the first covering of the photonic crystal fiber
Fluent material in area's stomata；
The electrode is formed by the metal material being filled in the second clad region stomata of the photonic crystal fiber；
The side of the photonic crystal fiber is equipped with two holes, and two holes are connected with two electrodes respectively,
Conductive material is filled in the hole, the external voltage device connects into path by the conductive material and the electrode.
Further, two electrodes are symmetric centered on the fibre core of the photonic crystal fiber, are filled with
First clad region stomata of fluent material is symmetric centered on the fibre core of the photonic crystal fiber, and described first
Clad region stomata is between described two electrodes.
Further, the material of the metal material is low resistance conductive metal material.
Further, the metal material is gold or silver.
Further, the fluent material is the fluent material with electrooptic effect.
Further, the fluent material is liquid crystal material.
Further, the global shape of the clad region stomata of the end face distribution of the photonic crystal fiber is hexagon.
Further, the fibre core of the photonic crystal fiber is solid core fibre core.
The utility model proposes a kind of photonic crystal fiber electrooptical switching, compared with prior art, the utility model is real
The photonic crystal fiber electrooptical switching in example is applied using photonic crystal fiber as carrier, can effectively reduce junction loss, by by electricity
Pole is built in photonic crystal fiber electrooptical switching, can reduce switch power, can be with by the coupling of built-in electrode and waveguide
Reduce coupling added losses and reduce the response time.
Brief description of the drawings
Fig. 1 is a kind of structure diagram for photonic crystal fiber electrooptical switching that the utility model first embodiment provides；
Fig. 2-1 is a kind of end structure illustration for photonic crystal fiber that the utility model first embodiment provides；
Fig. 2-2 is a kind of end face structure signal of the photonic crystal fiber for expansion that the utility model first embodiment provides
Figure.
Embodiment
Purpose of utility model, feature, advantage to enable the utility model is more obvious and understandable, below will knot
The attached drawing in the utility model embodiment is closed, the technical scheme in the utility model embodiment is clearly and completely described,
Obviously, the described embodiments are only a part of the embodiments of the utility model, and not all embodiments.Based on the utility model
In embodiment, those skilled in the art's all other embodiments obtained without making creative work, all
Belong to the scope of the utility model protection.
In order to illustrate the technical solution of the utility model, illustrated below by specific embodiment.
In order to be better understood from the utility model, a kind of knot of shown photonic crystal fiber electrooptical switching is please referred to Fig.1
The photonic crystal fiber of expansion shown in the end structure illustration and Fig. 2-2 of photonic crystal fiber shown in structure schematic diagram, Fig. 2-1
End structure illustration, photonic crystal fiber electrooptical switching includes：101, two electrodes 102 of photonic crystal fiber, waveguide and
External voltage device 103；
Electrode 102 and waveguide are located at the inside of photonic crystal fiber 101；
Waveguide includes the fibre core 104 of photonic crystal fiber and is filled in the first clad region stomata 201 of photonic crystal fiber
In fluent material；
Electrode 102 is formed by the metal material being filled in the second clad region stomata 202 of photonic crystal fiber 101；
The side of photonic crystal fiber 101 is equipped with two holes 105, and two holes 105 are connected with two electrodes 102 respectively, hole
Middle filling conductive material, external voltage device 103 connect into path by conductive material and electrode 102.
In the utility model embodiment, the second clad region stomata 202 shown in Fig. 2-1 is referred to, to the second clad region
Stomata 202 carries out HIGH PRESSURE TREATMENT, then prepares region in micro unit and the second clad region stomata after carrying out HIGH PRESSURE TREATMENT is melted
Melt and draw cone processing, the second clad region stomata filled with gases at high pressure of HIGH PRESSURE TREATMENT can expand at this time, and the clad region gas of surrounding
Hole can gradually collapse, and form the second clad region stomata 203 of the expansion as shown in Fig. 2-2.
It should be noted that as shown in Fig. 2-1 and 2-2, clad region stomata is centered on the fibre core 104 of photonic crystal fiber
Multi-turn hexagon is formed, the first clad region stomata 201 is positioned at the second six sides of circle centered on the fibre core 104 of photonic crystal fiber
In shape, the second clad region stomata 202 is positioned at the 3rd circle centered on the fibre core 104 of photonic crystal fiber to the 6th circle hexagon
In.
Preferably, the second clad region stomata 202 is positioned at the 4th six sides of circle centered on the fibre core 104 of photonic crystal fiber
In shape.
Wherein, second in the first and second clad region stomatas 202 in the first clad region stomata 201 is to be used to distinguish not
Same clad region stomata.
Further, refering to Fig. 2-2, two electrodes 102 are centered on the fibre core 104 of photonic crystal fiber in symmetrical point
Cloth, the first clad region stomata 201 for being filled with fluent material are symmetric centered on the fibre core 104 of photonic crystal fiber,
First clad region stomata 201 is between two electrodes 102.
Further, the material of metal material is low resistance conductive metal material.
In the utility model embodiment, it can ensure to produce when being powered using low resistance conductive metal material relatively low
Heat.
Further, metal material is gold or silver.
Further, fluent material is the fluent material with electrooptic effect.
Further, fluent material is liquid crystal material.
Further, it is refering to Fig. 2-1, the global shape of the clad region stomata of the end face distribution of photonic crystal fiber 101
Hexagon.
In the utility model embodiment, the global shape using clad region stomata is the photonic crystal light of hexagon
Fibre, can also use the photonic crystal fiber of other arrangement modes, if the photonic crystal fiber have centered on fibre core it is more
A symmetrical clad region stomata.
In the utility model embodiment, photonic crystal fiber electrooptical switching includes：101, two electricity of photonic crystal fiber
Pole 102, waveguide and external voltage device 103, waveguide include the fibre core 104 of photonic crystal fiber and are filled in photonic crystal fiber
The first clad region stomata in fluent material, electrode 102 and waveguide be located at the inside of photonic crystal fiber 101, electrode 102 by
The metal material being filled in the second clad region stomata 202 of photonic crystal fiber 101 is formed, photonic crystal fiber 101
Side be equipped with two holes 105, two holes 105 are connected with two electrodes 102 respectively, and conductive material, external electricity are filled in hole 105
Pressure device 103 connects into path by conductive material and electrode 102.Compared with prior art, in the utility model embodiment
Photonic crystal fiber electrooptical switching is carrier with photonic crystal fiber 101, can effectively reduce junction loss, by by electrode 102
It is built in photonic crystal fiber electrooptical switching, switch power can be reduced, can be with by the coupling of built-in electrode 102 and waveguide
Reduce coupling added losses and reduce the response time.
Wherein, the idiographic flow for preparing photonic crystal fiber electrooptical switching is：The both ends of photonic crystal fiber 101 are distinguished
With 106 welding of single mode optical fiber, and one end single mode optical fiber 106 at 10 μm of fusion point is subjected to cutoff process, passes through femtosecond
Laser micro-machining technology is to remaining single mode optical fiber thin slice the making choice property perforate of cut-off part, and to selectively opened 2
Metal material is filled in two clad region stomatas 202, it is right again by femtosecond laser parallel micromachining technology to form two electrodes 102
The making choice property perforate of single mode optical fiber thin slice, and the liquid filling body material into 2 selectively opened the first clad region stomatas 201
Material, in the side Da Liangge hole 105 of photonic crystal fiber 101, conductive material is filled into hole and accesses external voltage device
103, to form photonic crystal fiber electrooptical switching.
Wherein, the detailed process of making electrode 102 is：By femtosecond laser parallel micromachining technology to the remaining single mode of cut-off part
The making choice property perforate of optical fiber thin slice, and HIGH PRESSURE TREATMENT is carried out to 2 selectively opened the second clad region stomatas 202, to
2 the second clad region stomatas for carrying out HIGH PRESSURE TREATMENT carry out fused biconical taper processing, 2 second to after progress fused biconical taper processing
Metal material is filled in clad region stomata 203, to form two electrodes 102.
In the utility model embodiment, to the second clad region stomata 202 progress HIGH PRESSURE TREATMENT shown in Fig. 2-1, then
Micro unit prepares region and carries out fused biconical taper processing to the second clad region stomata after carrying out HIGH PRESSURE TREATMENT, at this time HIGH PRESSURE TREATMENT
The second clad region stomata filled with gases at high pressure can expand, and the clad region stomata of surrounding can gradually be collapsed, and form such as Fig. 2-2
Second clad region stomata 203 of shown expansion.
It should be noted that as shown in Fig. 2-1 and 2-2, clad region stomata is centered on the fibre core 104 of photonic crystal fiber
Multi-turn hexagon is formed, the second clad region stomata 202 is positioned at the 3rd circle centered on the fibre core 104 of photonic crystal fiber to the
In six circle hexagons.
Preferably, the second clad region stomata 202 is positioned at the 4th six sides of circle centered on the fibre core 104 of photonic crystal fiber
In shape.
Wherein, the second clad region stomata after fused biconical taper processing is still symmetric centered on fibre core 104.
In the utility model embodiment, because the diameter of the first clad region stomata 201 is minimum, there is surface tension, so filling out
After filling fluent material, fluent material will not flow out.
Alternatively, after liquid filling body material, again by the selectively opened place of 2 the first clad region stomatas 201
One end and single mode optical fiber 106 carry out welding, and are carrying out cut-off part to the single mode optical fiber 106 at the end at 10 μm of fusion point
Manage, remaining single mode optical fiber thin slice has sealed the first clad region stomata 201 after cutoff process, and fluent material would not flow out.
It should be noted that as shown in Fig. 2-1 and 2-2, clad region stomata is centered on the fibre core 104 of photonic crystal fiber
Multi-turn hexagon is formed, the first clad region stomata 201 is positioned at the second six sides of circle centered on the fibre core 104 of photonic crystal fiber
In shape.
In the utility model embodiment, compared with prior art, the photonic crystal fiber in the utility model embodiment
Electrooptical switching is carrier with photonic crystal fiber 101, can effectively reduce junction loss, by the way that electrode 102 is built in photon crystalline substance
In body fiber electro-optic switch, switch power can be reduced, it is additional to reduce coupling by the coupling of built-in electrode 102 and waveguide
Loss and reduction response time.
In the above-described embodiments, the description to each embodiment all emphasizes particularly on different fields, and does not have the portion being described in detail in some embodiment
Point, it may refer to the associated description of other embodiments.
It is to a kind of description of photonic crystal fiber electrooptical switching provided by the utility model, for this area above
Technical staff, based on the idea of the embodiment of the present invention, have change in specific embodiments and applications
Place, to sum up, this specification content should not be construed as the limitation to the utility model.
Claims (8)
1. a kind of photonic crystal fiber electrooptical switching, it is characterised in that the photonic crystal fiber electrooptical switching includes：Photon is brilliant
Body optical fiber, two electrodes, waveguide and external voltage device；
The electrode and the waveguide are located at the inside of the photonic crystal fiber；
The waveguide includes the fibre core of the photonic crystal fiber and is filled in the first clad region gas of the photonic crystal fiber
Fluent material in hole；
The electrode is formed by the metal material being filled in the second clad region stomata of the photonic crystal fiber；
The side of the photonic crystal fiber is equipped with two holes, and two holes are connected with two electrodes respectively, the hole
Middle filling conductive material, the external voltage device connect into path by the conductive material and the electrode.
2. photonic crystal fiber electrooptical switching according to claim 1, it is characterised in that two electrodes are with the light
It is symmetric centered on the fibre core of photonic crystal fiber, is filled with first clad region stomata of fluent material with the photon
It is symmetric centered on the fibre core of crystal optical fibre, first clad region stomata is between described two electrodes.
3. photonic crystal fiber electrooptical switching according to claim 1, it is characterised in that the metal material is low resistance
Conductive metallic material.
4. photonic crystal fiber electrooptical switching according to claim 3, it is characterised in that the metal material for gold or
Silver.
5. photonic crystal fiber electrooptical switching according to claim 1, it is characterised in that the fluent material is with electricity
The fluent material of luminous effect.
6. photonic crystal fiber electrooptical switching according to claim 5, it is characterised in that the fluent material is liquid crystal material
Material.
7. photonic crystal fiber electrooptical switching according to claim 1, it is characterised in that the end of the photonic crystal fiber
The global shape of the clad region stomata of EDS maps is hexagon.
8. photonic crystal fiber electrooptical switching according to claim 1, it is characterised in that the fibre of the photonic crystal fiber
Core is solid core fibre core.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201720848395.XU CN207301568U (en) | 2017-07-13 | 2017-07-13 | A kind of photonic crystal fiber electrooptical switching |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107238983A (en) * | 2017-07-13 | 2017-10-10 | 深圳大学 | A kind of photonic crystal fiber electrooptical switching and preparation method thereof |
| CN110809356A (en) * | 2019-10-23 | 2020-02-18 | 南京航空航天大学 | Plasma terahertz waveguide generation device |
| WO2021009912A1 (en) * | 2019-07-18 | 2021-01-21 | 日本電信電話株式会社 | Photoelectric fiber and communication device |
-
2017
- 2017-07-13 CN CN201720848395.XU patent/CN207301568U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107238983A (en) * | 2017-07-13 | 2017-10-10 | 深圳大学 | A kind of photonic crystal fiber electrooptical switching and preparation method thereof |
| WO2021009912A1 (en) * | 2019-07-18 | 2021-01-21 | 日本電信電話株式会社 | Photoelectric fiber and communication device |
| JPWO2021009912A1 (en) * | 2019-07-18 | 2021-01-21 | ||
| JP7334782B2 (en) | 2019-07-18 | 2023-08-29 | 日本電信電話株式会社 | Optical fiber, communication device and method for manufacturing optical fiber |
| US11934022B2 (en) | 2019-07-18 | 2024-03-19 | Nippon Telegraph And Telephone Corporation | Photoelectric fiber and communication device |
| CN110809356A (en) * | 2019-10-23 | 2020-02-18 | 南京航空航天大学 | Plasma terahertz waveguide generation device |
| CN110809356B (en) * | 2019-10-23 | 2021-01-15 | 南京航空航天大学 | Plasma terahertz waveguide generation device |
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