CN108415126A - A kind of 2 × 2 novel waveguide photoswitches - Google Patents
A kind of 2 × 2 novel waveguide photoswitches Download PDFInfo
- Publication number
- CN108415126A CN108415126A CN201810440790.3A CN201810440790A CN108415126A CN 108415126 A CN108415126 A CN 108415126A CN 201810440790 A CN201810440790 A CN 201810440790A CN 108415126 A CN108415126 A CN 108415126A
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- optical waveguide
- photoswitch
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- dielectric optical
- waveguide
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Links
- 230000003287 optical effect Effects 0.000 claims abstract description 58
- 239000012530 fluid Substances 0.000 claims description 30
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 16
- 239000007788 liquid Substances 0.000 claims description 16
- 239000000919 ceramic Substances 0.000 claims description 13
- 238000005553 drilling Methods 0.000 claims description 3
- 238000005538 encapsulation Methods 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000005516 engineering process Methods 0.000 abstract description 3
- 238000005459 micromachining Methods 0.000 abstract description 2
- 230000005540 biological transmission Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 5
- 239000011521 glass Substances 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000001678 irradiating effect Effects 0.000 description 1
- 230000006855 networking Effects 0.000 description 1
- 239000013307 optical fiber Substances 0.000 description 1
- 229910052573 porcelain Inorganic materials 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
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
- G02B6/35—Optical coupling means having switching means
- G02B6/3538—Optical coupling means having switching means based on displacement or deformation of a liquid
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Mechanical Light Control Or Optical Switches (AREA)
- Optical Integrated Circuits (AREA)
Abstract
The invention discloses a kind of 2 × 2 novel waveguide photoswitches, including three-decker from top to bottom.The present invention is 2 × 2 photoswitches, i.e., there are two lightwave entry end mouth and two Lightwave exit end mouths, can realize the "Off" and "ON" function of photoswitch, provides greater flexibility to make extensive array of photoswitch, has practical application value；The present invention draws tapered dielectric optical waveguide to transmit light wave using bar shaped and class, can solve the problems, such as that light wave part light in total reflection can not be coupled to waveguide output, to substantially increase the energy transmission efficiency of photoswitch；The configuration of the present invention is simple, small, the response time is short, is easily integrated as optic communication device；The present invention uses micro-fluidic and micromachining technology, and cost of manufacture is smaller, and manufacture craft is more ripe, has potential economy and application value, can be widely used in optical communication field.
Description
Technical field
The present invention relates to the optical cross connect in optical internet, OADM device technical field, especially a kind of 2 ×
2 novel waveguide photoswitches.
Background technology
Photoswitch is the core devices that light exchanges, and influences one of the principal element of optical-fiber network performance.Photoswitch conduct
The Primary Component of all-optical networking network of new generation is mainly used to realize that the Route Selection on photosphere face, wavelength selection, light intersect and connects
It connects and the functions such as self-healed protection.In all optical network, OADM device (OADM) and optical cross connect (OXC) are indispensable
Apparatus for network node, and photoswitch and array of photoswitch are then the core devices in these equipment.But current photoswitch
Other than the photoswitch of a few types such as MEMS, the exchange capacity of existing photoswitch is always limited, and is difficult to be made greatly
Array because mems optical switch itself resistance to mechanical friction, abrasion or vibrations etc. there are many deficiencies place.
Invention content
Technical problem to be solved by the present invention lies in provide a kind of 2 × 2 novel waveguide photoswitches, can realize 2 × 2
Light switch function.
In order to solve the above technical problems, the present invention provides a kind of 2 × 2 novel waveguide photoswitches, including：From top to bottom three
Layer structure, first layer includes piezoelectric ceramics 10, transparent dielectric layer 11, wire lead slot 13 and piezoelectric ceramics lead 14, from transparent medium
A cylinder shape groove and embedded piezoelectric ceramics 10 are opened in 11 bottom of layer, are outputed and are drawn at 11 top of transparent dielectric layer with the mode of drilling
Wire casing 13, piezoelectric ceramics lead 14 are drawn by wire lead slot 13；The second layer include fluid channel 5, fluid reservoir 6, elastic film 9,
Tapered Jie is drawn with liquid 12, transparency silica glass 8, lateral slab dielectric optical waveguide 1, vertical slab dielectric optical waveguide 2, lateral class
Matter optical waveguide 3 and vertical class draw tapered dielectric optical waveguide 4, second layer transparency silica glass 8 to be restricted the covering of light wave, simultaneously
Embedded refractive index is inputted slightly larger than the lateral slab dielectric optical waveguide 1 of covering and vertical slab dielectric optical waveguide 2 as light wave
Port, embedded refractive index draw tapered dielectric optical waveguide 3 and vertical class to draw tapered dielectric optical waveguide 4 slightly larger than the lateral class of covering
As Lightwave exit end mouth, a fluid channel 5, the cylindrical fluid reservoir of 5 end of fluid channel connection are opened inside transparency silica glass 8
6, one elastic film 9 of fluid reservoir face seal fills matching liquid 12 in fluid channel and fluid reservoir；Third layer includes transparent stone
English glass 7 plays the role of encapsulation and fixes and limit light wave.
Preferably, lateral slab dielectric optical waveguide 1, vertical slab dielectric optical waveguide 2, lateral class draw tapered Jie in photoswitch
Matter optical waveguide 3 and vertical class draw tapered 4 refractive index of dielectric optical waveguide to be slightly larger than transparency silica glass 8.
Preferably, lateral slab dielectric optical waveguide 1, vertical slab dielectric optical waveguide 2 are used as lightwave entry end in photoswitch
Mouthful, lateral class draws tapered dielectric optical waveguide 3 and vertical class that tapered dielectric optical waveguide 4 is drawn to be used as Lightwave exit end mouth.
Preferably, when photoswitch "On" state, tapered optical waveguide outgoing vertically is drawn from class after most of light beam total reflection, it is few
It is emitted after class draws the conical reflecting of tapered waveguide after segment beam total reflection.
Beneficial effects of the present invention are：(1) present invention is 2 × 2 photoswitches, i.e., there are two lightwave entry end mouth and two
Lightwave exit end mouth can realize the "Off" and "ON" function of photoswitch, and bigger is provided to make extensive array of photoswitch
Flexibility has practical application value；(2) present invention draws tapered dielectric optical waveguide to transmit light wave using bar shaped and class, can
Solve the problems, such as that light wave part light in total reflection can not be coupled to waveguide output, the energy to substantially increase photoswitch passes
Defeated efficiency；(3) the configuration of the present invention is simple, small, the response time is short, is easily integrated as optic communication device；(4) present invention uses
Micro-fluidic and micromachining technology, cost of manufacture is smaller, and manufacture craft is more ripe, has potential economy and application value, energy
It is enough to be widely used in optical communication field.
Description of the drawings
Fig. 1 is the optical switch construction schematic diagram of the present invention.
Fig. 2 be the present invention photoswitch light beam all reflection, photoswitch "On" state schematic diagram；
Fig. 3 be the present invention photoswitch light beam all reflection, photoswitch "On" state schematic diagram；
Fig. 4 be the present invention photoswitch light beam project entirely, the "Off" state schematic diagram of photoswitch；
Fig. 5 be the present invention photoswitch light beam project entirely, the "Off" state schematic diagram of photoswitch.
Specific implementation mode
As shown in Figure 1, a kind of 2 × 2 novel waveguide photoswitches, including：Three-decker from top to bottom, first layer include pressure
Electroceramics 10, transparent dielectric layer 11, wire lead slot 13 and piezoelectric ceramics lead 14 open a cylinder from 11 bottom of transparent dielectric layer
Groove and embedded piezoelectric ceramics 10 output wire lead slot 13, piezoelectric ceramics lead with the mode of drilling at 11 top of transparent dielectric layer
14 are drawn by wire lead slot 13；The second layer includes fluid channel 5, fluid reservoir 6, elastic film 9, matching liquid 12, suprasil glass
Glass 8, lateral slab dielectric optical waveguide 1, vertical slab dielectric optical waveguide 2, lateral class draw tapered dielectric optical waveguide 3 and vertical class to draw
Tapered dielectric optical waveguide 4, second layer transparency silica glass 8 is restricted the covering of light wave, while embedded refractive index is slightly larger than packet
The lateral slab dielectric optical waveguide 1 of layer and vertical slab dielectric optical waveguide 2 are used as lightwave entry end mouth, embedded refractive index bigger
Draw tapered dielectric optical waveguide 3 and vertical class that tapered dielectric optical waveguide 4 is drawn to be used as Lightwave exit end mouth in the lateral class of covering,
A fluid channel 5, the cylindrical fluid reservoir 6 of 5 end of fluid channel connection, fluid reservoir face seal one are opened inside transparency silica glass 8
Matching liquid 12 is filled in a elastic film 9, fluid channel and fluid reservoir；Third layer includes transparency silica glass 7, and it is solid to play encapsulation
Fixed and limitation light wave effect.
When photoswitch works, the lead of piezoelectric ceramics is connected with external power supply, and it is crowded to will produce deformation for piezoelectric ceramics when energization
Elastic film, and then the liquid pressure in fluid reservoir is entered into fluid channel, meanwhile, piezoelectricity pottery can be controlled by adjusting voltage swing
The elongation (volume of liquid can be controlled by additional power source voltage i.e. in fluid channel) of porcelain, and then adjust liquid in fluid channel
" length " controls total reflection and the total transmissivity of light beam, to realize the "on" and "off" function of photoswitch.
This 2 × 2 novel waveguide photoswitch specific implementation mode includes：By adjusting voltage, piezoelectric ceramics is forced to generate
Deformation squeezes liquid and enters fluid channel in turn, when the position liquid motion to Fig. 2 (or Fig. 3), from lateral slab dielectric optical waveguide 1
(or vertical slab dielectric optical waveguide 2) incident light beam gas and waveguide interface in reaching fluid channel, due to the folding of waveguide
It penetrates rate and is more than air refraction, and meet total reflection condition, therefore light beam is totally reflected at interface, after most of light beam total reflection
Vertically tapered dielectric optical waveguide 4 (or lateral class draws tapered dielectric optical waveguide 3) outgoing, the total reflection of small part light beam are drawn from vertical class
Be emitted after drawing the conical reflecting of tapered dielectric optical waveguide 4 (or lateral class draws tapered dielectric optical waveguide 3) by vertical class, at this time for
"On" state；When the position liquid motion to Fig. 4 (or Fig. 5), from (or the vertical slab dielectric light of lateral slab dielectric optical waveguide 1
Waveguide 2) incident light beam liquid and waveguide interface in reaching fluid channel, because the refractive index and matching of waveguide of liquid, enter
Irradiating light beam draws tapered dielectric optical waveguide 3 (or vertical class draws tapered dielectric optical waveguide 4) outgoing all through liquid from lateral class,
It is "Off" state at this time.
Claims (4)
1. 2 × 2 novel waveguide photoswitch of one kind, which is characterized in that including：Three-decker from top to bottom, first layer include pressure
Electroceramics (10), transparent dielectric layer (11), wire lead slot (13) and piezoelectric ceramics lead (14) are opened from transparent dielectric layer (11) bottom
One cylinder shape groove and embedded piezoelectric ceramics (10) output wire lead slot with the mode of drilling at the top of transparent dielectric layer (11)
(13), piezoelectric ceramics lead (14) is drawn by wire lead slot (13)；The second layer includes fluid channel (5), fluid reservoir (6), Thin Elastic
Film (9), matching liquid (12), transparency silica glass (8), lateral slab dielectric optical waveguide (1), vertical slab dielectric optical waveguide
(2), lateral class draws tapered dielectric optical waveguide (3) and vertical class to draw tapered dielectric optical waveguide (4), second layer transparency silica glass
(8) it is restricted the covering of light wave, while embedded lateral slab dielectric optical waveguide (1) and vertical slab dielectric optical waveguide (2) are made
For lightwave entry end mouth, embedded transverse direction class draws tapered dielectric optical waveguide (3) and vertical class to draw tapered dielectric optical waveguide (4) conduct
Lightwave exit end mouth opens a fluid channel (5), the cylindrical liquid storage of fluid channel (5) end connection inside transparency silica glass (8)
Tank (6), one elastic film (9) of fluid reservoir face seal, filling matching liquid (12) in fluid channel and fluid reservoir；Third layer packet
Transparency silica glass (7) is included, plays the role of encapsulation and fixes and limit light wave.
2. 2 × 2 novel waveguide photoswitch as described in claim 1, which is characterized in that lateral slab dielectric light wave in photoswitch
It leads (1), vertical slab dielectric optical waveguide (2), the tapered dielectric optical waveguide (3) of lateral class drawing and vertical class and draws tapered medium light wave
It leads (4) refractive index and is slightly larger than transparency silica glass (8).
3. 2 × 2 novel waveguide photoswitch as described in claim 1, which is characterized in that lateral slab dielectric light wave in photoswitch
Lead (1), vertical slab dielectric optical waveguide (2) is used as lightwave entry end mouth, lateral class draws tapered dielectric optical waveguide (3) and vertical
Class draws tapered dielectric optical waveguide (4) to be used as Lightwave exit end mouth.
4. 2 × 2 novel waveguide photoswitch as described in claim 1, which is characterized in that most of when photoswitch "On" state
Tapered optical waveguide outgoing vertically is drawn from class after light beam total reflection, draws the conical surface of tapered waveguide anti-through class after the total reflection of small part light beam
It is emitted after penetrating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810440790.3A CN108415126A (en) | 2018-05-10 | 2018-05-10 | A kind of 2 × 2 novel waveguide photoswitches |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810440790.3A CN108415126A (en) | 2018-05-10 | 2018-05-10 | A kind of 2 × 2 novel waveguide photoswitches |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108415126A true CN108415126A (en) | 2018-08-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810440790.3A Pending CN108415126A (en) | 2018-05-10 | 2018-05-10 | A kind of 2 × 2 novel waveguide photoswitches |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1103719A (en) * | 1993-07-16 | 1995-06-14 | 住友电气工业株式会社 | Optical waveguide device |
| CN105629460A (en) * | 2016-02-25 | 2016-06-01 | 南京邮电大学 | Electronically-controlled adjustable optical attenuator |
| CN107219588A (en) * | 2017-05-11 | 2017-09-29 | 南京邮电大学 | A kind of photoswitch based on fluid channel pressure difference |
| CN208110097U (en) * | 2018-05-10 | 2018-11-16 | 南京邮电大学 | A kind of 2 × 2 novel waveguide photoswitches |
-
2018
- 2018-05-10 CN CN201810440790.3A patent/CN108415126A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1103719A (en) * | 1993-07-16 | 1995-06-14 | 住友电气工业株式会社 | Optical waveguide device |
| CN105629460A (en) * | 2016-02-25 | 2016-06-01 | 南京邮电大学 | Electronically-controlled adjustable optical attenuator |
| CN107219588A (en) * | 2017-05-11 | 2017-09-29 | 南京邮电大学 | A kind of photoswitch based on fluid channel pressure difference |
| CN208110097U (en) * | 2018-05-10 | 2018-11-16 | 南京邮电大学 | A kind of 2 × 2 novel waveguide photoswitches |
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