CN103941339B - Micro-ring resonator based on hollow inwall waveguide fiber and preparation method thereof - Google Patents
Micro-ring resonator based on hollow inwall waveguide fiber and preparation method thereof Download PDFInfo
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- CN103941339B CN103941339B CN201410105263.9A CN201410105263A CN103941339B CN 103941339 B CN103941339 B CN 103941339B CN 201410105263 A CN201410105263 A CN 201410105263A CN 103941339 B CN103941339 B CN 103941339B
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- 239000000835 fiber Substances 0.000 title claims abstract description 116
- 238000002360 preparation method Methods 0.000 title claims abstract description 7
- 239000013307 optical fiber Substances 0.000 claims abstract description 23
- 238000003466 welding Methods 0.000 claims abstract description 16
- 238000005253 cladding Methods 0.000 claims description 3
- 230000004927 fusion Effects 0.000 claims description 3
- 238000005520 cutting process Methods 0.000 claims description 2
- 238000001228 spectrum Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005459 micromachining Methods 0.000 description 1
- 230000001953 sensory effect Effects 0.000 description 1
Abstract
The present invention is to provide a kind of micro-ring resonator based on hollow inwall waveguide fiber and preparation method thereof. Comprise input single-mode fiber, hollow inwall waveguide fiber and output single-mode fiber, it is characterized in that: the distance staggering with input single-mode fiber and the wrong axle welding of output single-mode fiber and fiber axis respectively in the two ends of hollow inwall waveguide fiber equals the difference of the outer radius of hollow inwall guided wave optical fiber toroidal cores and the radius of single-mode fiber fibre core, input single-mode fiber and the axle center of exporting single-mode fiber are on same straight line. Micro-ring resonator is integrated in an inside of optical fibre by the present invention, makes simple, compact conformation, volume is little, stability is high.
Description
Technical field
The present invention relates to a kind of fibre optic ring resonator, relate in particular to a kind of micro-ring resonator based on hollow inwall waveguide fiber.The present invention also relates to a kind of preparation method of fibre optic ring resonator.
Background technology
Fibre optic ring resonator is a kind of important optical element, is widely used in fiber optic communication and sensory field of optic fibre. TraditionalFibre optic ring resonator is that two straight-through arms of fiber coupler are welded together to formation ring resonator, this toroidal cavity resonatorSize larger, the output spectrum of the larger free spectrum width of very difficult acquisition (FSR). In order to obtain small size, large FSRFibre optic ring resonator, common method is to utilize diameter to make undersized micro optical fiber to the micro optical fiber of several microns for hundreds of nanometerRing resonator, it is the ring resonator of tens microns that profit can obtain diameter in this way. But the making of this methodJourney complexity, need to be fixed the micro-ring of optical fiber, poor stability, and also mechanical strength is low. Another kind is micro-based on twin-core fiberToroidal cavity resonator (Chinese invention patent, application number 201210594529.1), utilizes laser micro-machining technology, by twin-core lightOn covering between two fine fibre cores, make microcavity, structure optical fiber micro-ring resonator. This method has improved the stable of systemProperty, but position and dimensional requirement to microcavity are high, need accurately to control the cladding thickness between microcavity and fiber cores, and it is difficult to makeDegree is large.
Summary of the invention
The object of the present invention is to provide a kind of compact conformation, the micro-annular resonance based on hollow inwall waveguide fiber that stability is highDevice. The present invention also aims to provide a kind of simple to operate, can obtain high stability fibre optic ring resonator based in hollowThe preparation method of the micro-ring resonator of wall waveguide fiber.
The object of the present invention is achieved like this:
Micro-ring resonator based on hollow inwall waveguide fiber of the present invention comprises input single-mode fiber, hollow inwall waveguide fiberWith output single-mode fiber, the two ends of hollow inwall waveguide fiber respectively with input single-mode fiber and the wrong axle welding of output single-mode fiber andThe distance that fiber axis staggers equals the difference of the outer radius of hollow inwall guided wave optical fiber toroidal cores and the radius of single-mode fiber fibre core, defeatedEnter the axle center of single-mode fiber and output single-mode fiber on same straight line.
Described hollow inwall waveguide fiber comprises airport, toroidal cores and covering, and airport is positioned at the axle of hollow inwall waveguide fiberThe heart, toroidal cores and covering are coaxial with airport, and described airport diameter range is 40 μ m-70 μ m, and the wall thickness of toroidal cores is 2 μ m-4 μ m, cladding diameter is 125 μ m.
The length of described hollow inwall waveguide fiber equals the diameter of airport.
The preparation method of the micro-ring resonator based on hollow inwall waveguide fiber of the present invention is:
1) utilizing optical fiber splicer by a single-mode fiber and a wrong axle welding of hollow inwall waveguide fiber, staggers apart from being in axle centerThe difference of the outer radius of hollow inwall guided wave optical fiber toroidal cores and the radius of single-mode fiber fibre core, controls splicing parameter and makes hollow inwallThe airport of waveguide fiber is not collapsed;
2) by one end welding the hollow inwall guided wave optical fiber of single-mode fiber be cut to and need length;
3) by the hollow inwall waveguide fiber of well cutting and another root single-mode fiber core shift welding and make airport not produce and collapse, itsAxis staggers apart from identical with the distance that staggers of first fusion point, and the axle center of two single-mode fibers is on same straight line;
4) the hollow inwall waveguide fiber of the good single-mode fiber of two ends welding is placed in the middle of two electrodes of optical fiber splicer, selects to closeSuitable discharge current and discharge time, make the airport of hollow inwall waveguide fiber be collapsed into spherical.
Beneficial effect of the present invention is: micro-ring resonator is integrated in to an inside of optical fibre, make simple, compact conformation,Volume is little, stability is high.
Brief description of the drawings
Fig. 1 is the structural representation of the micro-ring resonator based on hollow inwall waveguide fiber in the embodiment of the present invention.
Fig. 2 is a kind of end face structure schematic diagram of hollow inwall waveguide fiber.
Detailed description of the invention
Below in conjunction with accompanying drawing, the invention will be further described for example, but should not limit the scope of the invention with this.
In conjunction with Fig. 1 and Fig. 2, a kind of micro-ring resonator based on hollow inwall waveguide fiber of the present invention, comprises input single modeOptical fiber 1, hollow inwall waveguide fiber 2 and output single-mode fiber 3; Hollow inwall waveguide fiber 2 comprises the sky that is positioned at optical fiber axle centerPore 21, toroidal cores 22 and the covering 23 coaxial with airport; The two ends of hollow inwall waveguide fiber 2 respectively with input single modeOptical fiber 1 and the wrong axle welding of output single-mode fiber 3, the distance of fiber axis skew equals outer half of hollow inwall guided wave optical fiber toroidal coresThe difference of the radius of footpath and single-mode fiber fibre core; The axle center of input single-mode fiber 1 and output single-mode fiber 3 is on same straight line.
The making step of the micro-ring resonator based on hollow inwall waveguide fiber of the present embodiment is: 1) utilize optical fiber splicer to incite somebody to actionInput single-mode fiber 1 and the wrong axle welding of hollow inwall waveguide fiber 2, distance is staggered for hollow inwall guided wave optical fiber toroidal cores in axle centerOuter radius and the difference of the radius of single-mode fiber fibre core, control splicing parameter the airport of hollow inwall waveguide fiber do not collapsed;2) by one end welding the hollow inwall guided wave optical fiber 2 of input single-mode fiber 1 be cut to and need length; 3) by the sky of well cuttingIntracardiac wall waveguide fiber 2 also makes airport not produce and collapse with output single-mode fiber 3 core shift weldings, its axis stagger distance withThe distance that staggers of first fusion point is identical, and the axle center of two single-mode fibers is on same straight line; 4) two ends welding is well singleThe hollow inwall waveguide fiber 2 of mode fiber is placed in the middle of two electrodes of optical fiber splicer, selects suitable discharge current and electric dischargeTime, make the airport of hollow inwall waveguide fiber under capillary effect, be collapsed into spherical.
Operation principle of the present invention is as follows:
The toroidal cores 22 that wide spectrum optical enters hollow inwall waveguide fiber 2 through input single-mode fiber 1, wherein a part of light is from annularSpherical air hole 23 after core 22 is coupled into and collapses, is coupled after the light that wavelength meets condition of resonance forms resonance in toroidal cores 22Enter to export the fibre core of single-mode fiber 2, thereby form the micro-ring resonator in optical fiber.
Claims (4)
1. the micro-ring resonator based on hollow inwall waveguide fiber, comprise input single-mode fiber, hollow inwall waveguide fiber and output single-mode fiber, it is characterized in that: the two ends of hollow inwall waveguide fiber equal the outer radius of hollow inwall waveguide fiber toroidal cores and the difference of the radius of described input single-mode fiber and output single-mode fiber fibre core with the distance that input single-mode fiber and the wrong axle welding of output single-mode fiber and fiber axis stagger respectively, input single-mode fiber and the axle center of exporting single-mode fiber are on same straight line.
2. the micro-ring resonator based on hollow inwall waveguide fiber according to claim 1, it is characterized in that: described hollow inwall waveguide fiber comprises airport, toroidal cores and covering, airport is positioned at the axle center of hollow inwall waveguide fiber, toroidal cores and covering are coaxial with airport, described airport diameter range is 40 μ m-70 μ m, the wall thickness of toroidal cores is 2 μ m-4 μ m, and cladding diameter is 125 μ m.
3. the micro-ring resonator based on hollow inwall waveguide fiber according to claim 1 and 2, is characterized in that: the length of described hollow inwall waveguide fiber equals the diameter of airport.
4. a preparation method for the micro-ring resonator based on hollow inwall waveguide fiber claimed in claim 1, is characterized in that:
1) utilize optical fiber splicer by a single-mode fiber and a wrong axle welding of hollow inwall waveguide fiber, staggering apart from the difference for the outer radius of hollow inwall guided wave optical fiber toroidal cores and the radius of single-mode fiber fibre core in axle center, controls splicing parameter the airport of hollow inwall waveguide fiber is not collapsed;
2) by one end welding the hollow inwall guided wave optical fiber of single-mode fiber be cut to and need length;
3), by the hollow inwall waveguide fiber of well cutting and another root single-mode fiber core shift welding and make airport not produce and collapse, its axis distance that staggers is identical with the distance that staggers of first fusion point, and the axle center of two single-mode fibers is on same straight line;
4) the hollow inwall waveguide fiber of the good single-mode fiber of two ends welding is placed in the middle of two electrodes of optical fiber splicer, selects suitable discharge current and discharge time, make the airport of hollow inwall waveguide fiber be collapsed into spherical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201410105263.9A CN103941339B (en) | 2014-03-21 | 2014-03-21 | Micro-ring resonator based on hollow inwall waveguide fiber and preparation method thereof |
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| CN201410105263.9A CN103941339B (en) | 2014-03-21 | 2014-03-21 | Micro-ring resonator based on hollow inwall waveguide fiber and preparation method thereof |
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| CN103941339A CN103941339A (en) | 2014-07-23 |
| CN103941339B true CN103941339B (en) | 2016-05-04 |
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| CN201410105263.9A Expired - Fee Related CN103941339B (en) | 2014-03-21 | 2014-03-21 | Micro-ring resonator based on hollow inwall waveguide fiber and preparation method thereof |
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| CN107272116B (en) * | 2017-08-16 | 2024-01-05 | 深圳大学 | Echo wall mode resonator and preparation method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101573658A (en) * | 2006-12-27 | 2009-11-04 | 3M创新有限公司 | Optical microresonator |
| CN101840029A (en) * | 2010-04-28 | 2010-09-22 | 中国科学院半导体研究所 | Integrated reconfigurable optical add-drop multiplexer |
| CN102326108A (en) * | 2008-12-30 | 2012-01-18 | 3M创新有限公司 | Optical microresonator system |
| CN103033882A (en) * | 2012-12-31 | 2013-04-10 | 青岛农业大学 | Manufacturing method for dual-core optical fiber micro-ring resonator |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010008838A (en) * | 2008-06-30 | 2010-01-14 | Oki Electric Ind Co Ltd | Optical resonator and laser light source |
| US9012830B2 (en) * | 2009-12-11 | 2015-04-21 | Washington University | Systems and methods for particle detection |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101573658A (en) * | 2006-12-27 | 2009-11-04 | 3M创新有限公司 | Optical microresonator |
| CN102326108A (en) * | 2008-12-30 | 2012-01-18 | 3M创新有限公司 | Optical microresonator system |
| CN101840029A (en) * | 2010-04-28 | 2010-09-22 | 中国科学院半导体研究所 | Integrated reconfigurable optical add-drop multiplexer |
| CN103033882A (en) * | 2012-12-31 | 2013-04-10 | 青岛农业大学 | Manufacturing method for dual-core optical fiber micro-ring resonator |
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