CN1932563A - Connecting method between photon crystal optical fiber and light waveguide - Google Patents
Connecting method between photon crystal optical fiber and light waveguide Download PDFInfo
- Publication number
- CN1932563A CN1932563A CN 200610113700 CN200610113700A CN1932563A CN 1932563 A CN1932563 A CN 1932563A CN 200610113700 CN200610113700 CN 200610113700 CN 200610113700 A CN200610113700 A CN 200610113700A CN 1932563 A CN1932563 A CN 1932563A
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- Prior art keywords
- organic resin
- optical waveguide
- photonic crystal
- crystal fiber
- light
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- 238000000034 method Methods 0.000 title claims abstract description 22
- 239000013307 optical fiber Substances 0.000 title claims abstract description 13
- 239000013078 crystal Substances 0.000 title abstract 4
- 239000000835 fiber Substances 0.000 claims abstract description 58
- 230000003287 optical effect Effects 0.000 claims abstract description 44
- 239000011347 resin Substances 0.000 claims abstract description 33
- 229920005989 resin Polymers 0.000 claims abstract description 33
- 238000010168 coupling process Methods 0.000 claims abstract description 22
- 230000008878 coupling Effects 0.000 claims abstract description 21
- 238000005859 coupling reaction Methods 0.000 claims abstract description 21
- 239000007788 liquid Substances 0.000 claims abstract description 7
- 239000007787 solid Substances 0.000 claims abstract description 7
- 239000004038 photonic crystal Substances 0.000 claims description 40
- -1 flat waveguide Substances 0.000 claims description 3
- 239000002070 nanowire Substances 0.000 claims description 3
- 239000003960 organic solvent Substances 0.000 claims description 3
- 239000010703 silicon Substances 0.000 claims description 3
- 229910052710 silicon Inorganic materials 0.000 claims description 3
- 230000010354 integration Effects 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 4
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 3
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000004568 cement Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000001259 photo etching Methods 0.000 description 2
- 230000002269 spontaneous effect Effects 0.000 description 2
- WSLDOOZREJYCGB-UHFFFAOYSA-N 1,2-Dichloroethane Chemical group ClCCCl WSLDOOZREJYCGB-UHFFFAOYSA-N 0.000 description 1
- 206010034960 Photophobia Diseases 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005184 irreversible process Methods 0.000 description 1
- 208000013469 light sensitivity Diseases 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
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Abstract
A connecting method between the photon crystal optical fiber and the optical waveguide is to use the light-sensitive organic resin to form the optical waveguide in the ultraviolet light exposal condition. It couples the light path of the crystal optical fiber and the optical waveguide in the freedom room; it puts the light-sensitive organic resin into the coupling end; the light-sensitive organic resin is fixed by the ultraviolet light after transferring by the photon crystal optical fiber and the optical waveguide to form the solid core and the liquid envelope structure; to dissolve the unfixed light-sensitive organic resin and add into the other light-sensitive organic resin; making the ultraviolet light exposal in the side of the coupling end to form the solid envelope. So it can be used in the field of the integration optics, the light connecting, the light network, the light fiber or the optical fiber laser.
Description
Technical field
The present invention relates to the method for attachment of a kind of photonic crystal fiber and optical waveguide, particularly relate to a kind of method of utilizing photosensitive organic resin spontaneous formation optical waveguide under the ultraviolet photoetching condition, realize the method that the low-loss between photonic crystal fiber and the optical waveguide connects.
Background technology
(photonic crystal fiber is a kind of novel optical waveguide PCF) to photonic crystal fiber, and optical characteristics such as the mode characteristic of its uniqueness, loss characteristic and dispersion relation have caused the extensive concern of scientists.But, in actual use, because the cutting and the end face intractability of photonic crystal fiber are very big, make it be difficult for carrying out optical coupled with other optical waveguide, thereby limited the widespread use of photonic crystal fiber, especially the coupled problem between photonic crystal fiber and the standard single-mode fiber is more outstanding.
The low-loss that prior art adopts following method to carry out photonic crystal fiber and standard single-mode fiber usually is connected:
The one, between photonic crystal fiber and single-mode fiber, insert one section transition optical fiber (Japan.5 that spot size is moderate, Oct, 2005.JP3701875-B2.Photonic crystal fiber coupling method involves using buffer opticalfiber having mode field diameter ranging between mode field diameters of optical and photoniccrystal fibers, for coupling optical and photonic crystal fibers).The 2nd, draw awl technology, optical fiber lens technology to reduce the spot size of single-mode fiber by optical fiber, and then the low-loss of realization and photonic crystal fiber coupling (Shashidhar N.Lensing technology.Fiberoptic Product News, April 2004,14～15).
What above-mentioned two kinds of methods adopted all is to reduce spot size, reaches low coupling loss, but has but increased the aligning difficulty.Simultaneously, the light path unprotect measure between photonic crystal fiber and the optical waveguide is aimed at the back coupling efficiency and is vulnerable to extraneous factor, as influences such as vibration, dust, poor stability.
Summary of the invention
The object of the present invention is to provide the method for attachment of a kind of photonic crystal fiber and optical waveguide, the junction loss of this method is low, and manufacture craft is simple, and cost of manufacture is low, and stability is high.
The objective of the invention is to reach by the following technical programs:
Method of attachment between a kind of photonic crystal fiber and the optical waveguide is characterized in that this method carries out as follows:
1) uses work light that photonic crystal fiber and optical waveguide are carried out the coupling of free space light path, make their fully couplings under the condition of free space optical interconnection;
2) coupling unit in photonic crystal fiber and optical waveguide adds photosensitive organic resin;
3) with ultraviolet light photonic crystal fiber and optical waveguide are exposed, make ultraviolet light enter into photosensitive organic resin, and in photosensitive organic resin, form solid core district and liquid envelope structure by photonic crystal fiber and optical waveguide;
4) with an organic solvent unexposed liquid photosensitive organic resin is dissolved, again another kind of photosensitive organic resin is joined the coupling unit of two waveguides, use ultraviolet light to expose in the side of coupling unit and form solid-state covering, the refractive index after described another kind of photosensitive organic resin exposure is solidified should be littler than the core district employed photosensitive organic resin of part.
Optical waveguide of the present invention adopts a kind of in single-mode fiber, multimode optical fiber, flat waveguide, photonic crystal fiber, silicon/insulating film structure optical waveguide or the nano wire.
The present invention compared with prior art has the following advantages and the high-lighting effect:
Adopt the method for photosensitive organic resin spontaneous formation optical waveguide under the ultraviolet photoetching condition that photonic crystal fiber and optical waveguide are carried out optical interconnection among the present invention, there are refringence in junction formed core district's part and clad section, light is bound in the high-refractive-index regions, reduces coupling loss effectively; Manufacturing process does not need complicated technology, and cost of manufacture is low; This photosensitive organic resin is formed optical waveguide under the uv-exposure condition, and the coupling optical path between photonic crystal fiber and the optical waveguide is protected portion within it fully, is not vulnerable to extraneous factor, and as influences such as vibration, dusts, stability is high.In addition, the concrete form of the optical waveguide among the present invention can be chosen flexibly, can adopt a kind of in single-mode fiber, multimode optical fiber, flat waveguide, photonic crystal fiber, silicon/insulating film structure optical waveguide or the nano wire.This method has suitable application area widely, particularly at integrated optics, light interconnection, optical-fiber network, Fiber to the home or the fiber laser field.
Description of drawings
Fig. 1 represents the making synoptic diagram of photonic crystal fiber and standard single-mode fiber connection procedure SMIS district part.
Fig. 2 represents the making synoptic diagram of solid-state covering in photonic crystal fiber and the standard single-mode fiber connection procedure.
Embodiment
The present invention is illustrated in conjunction with the accompanying drawings by preferred embodiment:
With reference to accompanying drawing 1, Fig. 2, will be described in detail concrete embodiment of the present invention.
In Fig. 1, use business telecommunication infrared light supply (centre wavelength 1550nm) that photonic crystal fiber 1 and standard single-mode fiber 2 are carried out the light path coupling of free space, make their fully couplings under the condition of free space optical interconnection.
Coupled end at photonic crystal fiber 1 and standard single-mode fiber 2 adds photosensitive organic resin 3 then, and photosensitive organic resin can use Norland ultra-violet curing optical cement NOA60, NOA61 or NOA63 etc.Also can use other photosensitive organic resin to the ultraviolet light sensitivity.
In the non-coupled end of photonic crystal fiber 1 and standard single-mode fiber 2, ultraviolet light 5 is coupled in photonic crystal fiber 1 and the standard single-mode fiber 2 respectively, ultraviolet light 5 enters in the photosensitive organic resin 3 along photonic crystal fiber 1 and standard single-mode fiber 2.The characteristics of photosensitive organic resin 3 are to be liquid state under the normality, and are solid-state through becoming after ultraviolet light 5 exposures, and its refractive index changes before and after the exposure, and the refractive index after the common exposure can become big.This exposure process is an irreversible process, and cured portion can not disappear because of end exposure.After exposure after a while, the light path according to 5 processes of ultraviolet light in photosensitive organic resin 3 forms solid guide core district 4.The refractive index in solid guide core district 4 will be higher than the photosensitive organic resin 3 without overexposure, and then forms the structure of solid core district and liquid covering.Then with an organic solvent, as methylene chloride, acetone, dichloroethylene etc., uncured photosensitive organic resin 3 is dissolved.
In Fig. 2, use another photosensitive organic resin, as Norland ultra-violet curing optical cement NOA65, NOA68, NOA76 or NOA77 etc., join coupling unit, use ultraviolet light 5 to expose in its side, after exposure a period of time, solid-state covering 6 forms, and the refractive index after the employed photosensitive organic resin exposure of refractive index ratio core district part after described another photosensitive organic resin exposure is solidified is solidified is little.
So far, the low damage connection procedure of photonic crystal fiber and standard single-mode fiber is finished.
Claims (2)
1. the method for attachment between photonic crystal fiber and the optical waveguide is characterized in that this method carries out as follows:
1) uses work light that photonic crystal fiber and optical waveguide are carried out the coupling of free space light path, make their fully couplings under the condition of free space optical interconnection;
2) coupling unit in photonic crystal fiber and optical waveguide adds photosensitive organic resin;
3) with ultraviolet light photonic crystal fiber and optical waveguide are exposed, make ultraviolet light enter into photosensitive organic resin, and in photosensitive organic resin, form solid core district and liquid envelope structure by photonic crystal fiber and optical waveguide;
4) with an organic solvent unexposed liquid photosensitive organic resin is dissolved, again another kind of photosensitive organic resin is joined the coupling unit of two waveguides, exposing in the side of coupling unit with ultraviolet light forms solid-state covering, and the refractive index after the refractive index after described another kind of photosensitive organic resin exposure is solidified should be solidified than the employed photosensitive organic resin exposure of core district part is little.
2. according to the method for attachment between described photonic crystal fiber of claim 1 and the optical waveguide, it is characterized in that: described optical waveguide adopts a kind of in single-mode fiber, multimode optical fiber, flat waveguide, photonic crystal fiber, silicon/insulating film structure optical waveguide or the nano wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006101137007A CN100412582C (en) | 2006-10-13 | 2006-10-13 | Connecting method between photon crystal optical fiber and light waveguide |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006101137007A CN100412582C (en) | 2006-10-13 | 2006-10-13 | Connecting method between photon crystal optical fiber and light waveguide |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1932563A true CN1932563A (en) | 2007-03-21 |
| CN100412582C CN100412582C (en) | 2008-08-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNB2006101137007A Expired - Fee Related CN100412582C (en) | 2006-10-13 | 2006-10-13 | Connecting method between photon crystal optical fiber and light waveguide |
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| CN (1) | CN100412582C (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101571611B (en) * | 2009-06-05 | 2011-05-18 | 阮双琛 | All-fiber coupling implementation device and method of photonic crystal fiber |
| CN102556960A (en) * | 2012-01-19 | 2012-07-11 | 东南大学 | Nano-linking method based on photo-curing with nonlinear frequency shift effect |
| CN113275195A (en) * | 2021-05-06 | 2021-08-20 | 苏州易锐光电科技有限公司 | Optical device and manufacturing method thereof |
| CN113848610A (en) * | 2021-10-19 | 2021-12-28 | 复旦大学 | Preparation method of solid polymer optical waveguide |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN86205871U (en) * | 1986-08-05 | 1987-07-15 | 四川省成都电讯工程学院 | Optical fibre fixed directional coupler |
| JPH0339910A (en) * | 1989-07-07 | 1991-02-20 | Matsushita Electric Ind Co Ltd | Optical sleeve |
| JPH06337320A (en) * | 1993-05-27 | 1994-12-06 | Agency Of Ind Science & Technol | Process and apparatus for production of optical waveguide |
| JPH08320422A (en) * | 1994-06-22 | 1996-12-03 | Fujitsu Ltd | Production of optical waveguide system and optical device using the system |
| EP1503231A1 (en) * | 2002-04-26 | 2005-02-02 | Ibiden Co., Ltd. | Optical transmission structure, optical guide, method for fabricating optical waveguide, and optical interconnection coupler |
| US7329481B2 (en) * | 2004-01-23 | 2008-02-12 | Fujitsu Limited | Substrate optical waveguides having fiber-like shape and methods of making the same |
-
2006
- 2006-10-13 CN CNB2006101137007A patent/CN100412582C/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101571611B (en) * | 2009-06-05 | 2011-05-18 | 阮双琛 | All-fiber coupling implementation device and method of photonic crystal fiber |
| CN102556960A (en) * | 2012-01-19 | 2012-07-11 | 东南大学 | Nano-linking method based on photo-curing with nonlinear frequency shift effect |
| CN113275195A (en) * | 2021-05-06 | 2021-08-20 | 苏州易锐光电科技有限公司 | Optical device and manufacturing method thereof |
| CN113848610A (en) * | 2021-10-19 | 2021-12-28 | 复旦大学 | Preparation method of solid polymer optical waveguide |
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| Publication number | Publication date |
|---|---|
| CN100412582C (en) | 2008-08-20 |
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Granted publication date: 20080820 Termination date: 20091113 |