CN103941339A - Micro toroidal cavity resonator based on hollow inner-wall waveguide optical fiber and manufacturing method of micro toroidal cavity resonator - Google Patents
Micro toroidal cavity resonator based on hollow inner-wall waveguide optical fiber and manufacturing method of micro toroidal cavity resonator Download PDFInfo
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- CN103941339A CN103941339A CN201410105263.9A CN201410105263A CN103941339A CN 103941339 A CN103941339 A CN 103941339A CN 201410105263 A CN201410105263 A CN 201410105263A CN 103941339 A CN103941339 A CN 103941339A
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- 239000013307 optical fiber Substances 0.000 title claims abstract description 37
- 238000004519 manufacturing process Methods 0.000 title abstract description 5
- 239000000835 fiber Substances 0.000 claims description 106
- 238000003466 welding Methods 0.000 claims description 15
- 238000000034 method Methods 0.000 claims description 7
- 238000005253 cladding Methods 0.000 claims description 3
- 238000005520 cutting process Methods 0.000 claims description 3
- 230000004927 fusion Effects 0.000 claims description 3
- 238000001228 spectrum Methods 0.000 description 3
- 238000005516 engineering process 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
- 238000002360 preparation method Methods 0.000 description 1
- 230000001953 sensory effect Effects 0.000 description 1
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Abstract
The invention provides a micro toroidal cavity resonator based on a hollow inner-wall waveguide optical fiber and a manufacturing method of the micro toroidal cavity resonator. The micro toroidal cavity resonator comprises an input single-mode optical fiber, the hollow inner-wall waveguide optical fiber and an output single-mode optical fiber and is characterized in that the two ends of the hollow inner-wall waveguide optical fiber are welded to the input single-mode optical fiber and the output single-mode optical fiber respectively in a shaft staggered mode, the staggered distance of the axes of the optical fibers is equal to the difference value of the outer radius of the hollow inner-wall waveguide optical fiber and the radius of the core of each single-mode optical fiber, and the axis of the input single-mode optical fiber and the axis of the output single-mode optical fiber are located on the same straight line. According to the micro toroidal cavity resonator, the micro toroidal resonant cavity is integrated in one optical fiber, manufacturing is easy, the structure is compact, the size is small, and 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 method for making of fibre optic ring resonator.
Background technology
Fibre optic ring resonator is a kind of important optical element, is widely used in optical fiber communication and sensory field of optic fibre.Traditional fibre optic ring resonator is that two straight-through arms of fiber coupler are welded together to formation ring resonator, and the size of this toroidal cavity resonator is larger, the output spectrum of the larger free spectrum width of very difficult acquisition (FSR).In order to obtain the fibre optic ring resonator of small size, large FSR, common method is to utilize diameter to make undersized micro optical fiber ring resonator to the micro optical fiber of several microns for hundreds of nanometer, and it is the ring resonator of tens microns that profit can obtain diameter in this way.But the complex manufacturing process of this method, need to be fixed the micro-ring of optical fiber, poor stability, and also physical strength is low.The another kind of micro-ring resonator (Chinese invention patent, application number 201210594529.1) based on twin-core fiber, utilizes laser micro-machining technology, by making microcavity on the covering between two fibre cores of twin-core fiber, and structure optical fiber micro-ring resonator.This method has improved the stability of system, but position and dimensional requirement to microcavity are high, needs accurately to control the cladding thickness between microcavity and fiber cores, and manufacture difficulty is large.
Summary of the invention
The object of the present invention is to provide a kind of compact conformation, the micro-ring resonator based on hollow inwall waveguide fiber that stability is high.The present invention also aims to provide a kind of simple to operate, can obtain the method for making of the micro-ring resonator based on hollow inwall waveguide fiber of high stability fibre optic ring resonator.
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 fiber and output single-mode fiber, 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 external radius of hollow inwall guided wave optical fiber toroidal cores and the radius of single-mode fiber fibre core, and input single-mode fiber and the axle center of exporting single-mode fiber are on same straight line.
Described hollow inwall waveguide fiber comprises airport, toroidal cores and covering, airport is positioned at the axle center of hollow inwall waveguide fiber, and toroidal cores and covering are coaxial with airport, and 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.
The length of described hollow inwall waveguide fiber equals the diameter of airport.
The method for making of the micro-ring resonator based on hollow inwall waveguide fiber of the present invention is:
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 external 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.
Beneficial effect of the present invention is: micro-ring resonator is integrated in to an inside of optical fibre, makes 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.
Embodiment
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-mode fiber 1, hollow inwall waveguide fiber 2 and output single-mode fiber 3; Hollow inwall waveguide fiber 2 comprises and is positioned at the airport 21 in optical fiber axle center, toroidal cores 22 and the covering 23 coaxial with airport; The two ends of hollow inwall waveguide fiber 2 respectively with input single-mode fiber 1 and the wrong axle welding of output single-mode fiber 3, the distance of fiber axis skew equals the difference of the external radius of hollow inwall guided wave optical fiber toroidal cores and the radius of 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 will input single-mode fiber 1 and the wrong axle welding of hollow inwall waveguide fiber 2, staggering apart from the difference for the external 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 2 of input single-mode fiber 1 be cut to and need length; 3) by the hollow inwall waveguide fiber of well cutting 2 with output single-mode fiber 3 core shift weldings 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 2 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 under capillary effect, be collapsed into spherical.
Principle of work 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 coupled into the spherical air hole 23 collapsing from toroidal cores 22, after the light that wavelength meets condition of resonance forms resonance in toroidal cores 22, be coupled into the fibre core of output 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 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 external 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.
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 method for making 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 external 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.
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| 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 true CN103941339A (en) | 2014-07-23 |
| CN103941339B CN103941339B (en) | 2016-05-04 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107272116A (en) * | 2017-08-16 | 2017-10-20 | 深圳大学 | A kind of Whispering-gallery-mode resonator and preparation method thereof |
Citations (6)
| 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 |
| US20090323755A1 (en) * | 2008-06-30 | 2009-12-31 | Oki Electric Industry Co., Ltd. | Optical resonator and laser light source |
| 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 |
| US20120268731A1 (en) * | 2009-12-11 | 2012-10-25 | Washington University In St. Louis | Systems and methods for particle detection |
| 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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2014
- 2014-03-21 CN CN201410105263.9A patent/CN103941339B/en not_active Expired - Fee Related
Patent Citations (6)
| 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 |
| US20090323755A1 (en) * | 2008-06-30 | 2009-12-31 | Oki Electric Industry Co., Ltd. | Optical resonator and laser light source |
| CN102326108A (en) * | 2008-12-30 | 2012-01-18 | 3M创新有限公司 | Optical microresonator system |
| US20120268731A1 (en) * | 2009-12-11 | 2012-10-25 | Washington University In St. Louis | Systems and methods for particle detection |
| 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 |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107272116A (en) * | 2017-08-16 | 2017-10-20 | 深圳大学 | A kind of Whispering-gallery-mode resonator and preparation method thereof |
| CN107272116B (en) * | 2017-08-16 | 2024-01-05 | 深圳大学 | Echo wall mode resonator and preparation method thereof |
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| CN103941339B (en) | 2016-05-04 |
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