CN104459880A - Planar optical waveguide with lensed end face - Google Patents
Planar optical waveguide with lensed end face Download PDFInfo
- Publication number
- CN104459880A CN104459880A CN201410842767.9A CN201410842767A CN104459880A CN 104459880 A CN104459880 A CN 104459880A CN 201410842767 A CN201410842767 A CN 201410842767A CN 104459880 A CN104459880 A CN 104459880A
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- CN
- China
- Prior art keywords
- optical waveguide
- planar optical
- face
- lens
- spherical mirror
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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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
- G02B6/10—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type
- G02B6/12—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type of the integrated circuit kind
- G02B6/122—Basic optical elements, e.g. light-guiding paths
- G02B6/124—Geodesic lenses or integrated gratings
- G02B6/1245—Geodesic lenses
-
- 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
- G02B6/10—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type
- G02B6/12—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type of the integrated circuit kind
- G02B6/122—Basic optical elements, e.g. light-guiding paths
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Optical Couplings Of Light Guides (AREA)
Abstract
The invention discloses a planar optical waveguide with a lensed end face. The planar optical waveguide comprises a planar optical waveguide array and a coupler. The planar optical waveguide array comprises a plurality of parallel planar optical waveguide bodies, and the planar optical waveguide bodies are provided with lensed spherical mirror end face bodies with the collimating or focusing function. The coupler is used for supporting and fixing the planar optical waveguide array. According to the planar optical waveguide with the lensed end face, lensed processing is carried out on the incident end faces of the planar optical waveguide bodies, the spherical mirror end faces with the collimating or focusing function are formed, integration of a lens and the planar optical waveguide bodies is achieved, the problems that due to separation of the lens and the planar optical waveguide bodies, the light path is not stable, and the center of an optical axis is aligned difficulty are solved, the coupling structure is simplified, the planar optical waveguide can be used in two directions, and the light beam collimating and focusing functions are achieved.
Description
Technical field
The present invention relates to the planar optical waveguide that a kind of end face is lens, belong to Microwave photonics and optical communication technology field.
Background technology
In optical-fibre communications, light signal needs to transmit in the waveguide, and being coupled therefore between waveguide with light source becomes and be even more important.Light source emergent light is incorporated in waveguide with certain method by waveguide-coupled exactly, or draws from waveguide and go.
According to mode coupling theory, optically-coupled is exactly in fact that light source mates with waveguide mould field between the two.Classic method is between waveguide and light source, add a discrete simple lens or " double lens+isolator ", and needs to use sextuple Precision trimming frame to carry out fine adjustment to its position, less stable, and structure is more complicated also; Or directly aimed at waveguide by light source, coupling effect is poor.
Summary of the invention
(1) technical matters that will solve
For the deficiency described in background technology, fundamental purpose of the present invention is the planar optical waveguide providing a kind of end face lens, to realize planar optical waveguide and lens integration, overcomes the light path caused because lens are discrete unstable, the problems such as optical axis center alignment difficulties, simplify coupled structure.
(2) technical scheme
For achieving the above object, the invention provides the planar optical waveguide that a kind of end face is lens, comprise: a planar optical waveguide array, include multiple planar optical waveguide be arranged in parallel, and the spherical mirror end face that the plurality of planar optical waveguide has had lens, this spherical mirror end face has collimation or focusing function; And a coupling mechanism, for supporting and fixing this planar optical waveguide array.
In such scheme, it is inner that described planar optical waveguide array is prepared in described coupling mechanism, adopts indium phosphide or gallium nitride material to make.
In such scheme, the spherical mirror end face that described planar optical waveguide has had lens, as input end or the output terminal of planar optical waveguide.Described spherical mirror end face can select optimal curvatures according to the position of focus.
In such scheme, described coupling mechanism adopts pmma material to make.Described pmma material is silicon dioxide or silicon.
In such scheme, described coupling mechanism is bidirectional passive device, can realize beam collimation and focusing function respectively according to concrete service condition.
(3) beneficial effect
The planar optical waveguide that end face provided by the invention is lens, by carrying out lens process to planar optical waveguide incident end face, form the spherical mirror end face with collimation or focusing function, and then the integration achieved lens and planar optical waveguide, overcome due to lens and the discrete light path instability caused of planar optical waveguide, the problems such as optical axis center alignment difficulties, simplify coupled structure, and two-wayly can use, realize beam collimation and focusing function respectively.
Accompanying drawing explanation
Fig. 1 is the schematic diagram according to the lens planar optical waveguide of the end face of the embodiment of the present invention.
Fig. 2 is the front view according to the lens planar optical waveguide of the end face of the embodiment of the present invention.
Fig. 3 is the application schematic diagram according to the lens planar optical waveguide of the end face of the embodiment of the present invention.
In figure, 1-coupling mechanism, the spherical lens array of 2-, 3-planar optical waveguide array, 4-semiconductor laser chip array.
Embodiment
For making the object, technical solutions and advantages of the present invention clearly understand, below in conjunction with specific embodiment, and with reference to accompanying drawing, the present invention is described in more detail.
The planar optical waveguide that end face provided by the invention is lens, by carrying out lens process to planar optical waveguide incident end face, form the spherical mirror end face with collimation or focusing function, and then the integration achieved lens and planar optical waveguide, overcome due to lens and the discrete light path instability caused of planar optical waveguide, the problems such as optical axis center alignment difficulties, simplify coupled structure, and two-wayly can use, realize beam collimation and focusing function respectively.
As shown in Figure 1, Fig. 1 is the schematic diagram according to the lens planar optical waveguide of the end face of the embodiment of the present invention, the lens planar optical waveguide of this end face comprises coupling mechanism 1 and planar optical waveguide array 3, wherein: this planar optical waveguide array 3 includes multiple planar optical waveguide be arranged in parallel, and the spherical mirror end face 2 that the plurality of planar optical waveguide has had lens, this spherical mirror end face 2 has collimation or focusing function; This coupling mechanism 1 is for supporting and fixing this planar optical waveguide array 3.
In Fig. 1, it is inner that planar optical waveguide array 3 is prepared in coupling mechanism 1, adopts indium phosphide or gallium nitride material to make.The spherical mirror end face 2 that planar optical waveguide in planar optical waveguide array 3 has had lens, this spherical mirror end face 2 as the input end of planar optical waveguide, also as the output terminal of planar optical waveguide, and can can select optimal curvatures according to the position of focus.
In Fig. 1, coupling mechanism 1 adopts pmma material to make, and pmma material can be silicon dioxide, also can be silicon.Coupling mechanism 1 is bidirectional passive device, can realize beam collimation and focusing function respectively according to concrete service condition.
Fig. 2 shows the front view of the planar optical waveguide lens according to the end face of the embodiment of the present invention shown in Fig. 1.
Fig. 3 is the application schematic diagram according to the lens planar optical waveguide of the end face of the embodiment of the present invention.Semiconductor laser array chip 4 sends multi-wavelength light beam, and every Shu Guang corresponds respectively to a spherical mirror end face 2 in planar optical waveguide array 3, and scattered light collimates after for directional light through spherical mirror end face 2 and is coupled in planar optical waveguide array 3.In addition, because coupling mechanism 1 is bidirectional passive device, so the focusing of light beam can be realized conversely, to be coupled in photo-detector or optical fiber.It should be noted that in figure 3, the axis of semiconductor laser array chip 4 and planar optical waveguide array 3 midplane optical waveguide and spherical mirror end face is in same level line.
Above-described specific embodiment; object of the present invention, technical scheme and beneficial effect are further described; be understood that; the foregoing is only specific embodiments of the invention; be not limited to the present invention; within the spirit and principles in the present invention all, any amendment made, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (7)
1. the planar optical waveguide that end face is lens, is characterized in that, comprising:
One planar optical waveguide array, includes multiple planar optical waveguide be arranged in parallel, and the spherical mirror end face that the plurality of planar optical waveguide has had lens, this spherical mirror end face has collimation or focusing function; And
One coupling mechanism, for supporting and fixing this planar optical waveguide array.
2. the planar optical waveguide that end face according to claim 1 is lens, is characterized in that, it is inner that described planar optical waveguide array is prepared in described coupling mechanism, adopts indium phosphide or gallium nitride material to make.
3. the planar optical waveguide that end face according to claim 1 is lens, is characterized in that, the spherical mirror end face that described planar optical waveguide has had lens, as input end or the output terminal of planar optical waveguide.
4. the planar optical waveguide that end face according to claim 3 is lens, is characterized in that, described spherical mirror end face can select optimal curvatures according to the position of focus.
5. the planar optical waveguide that end face according to claim 1 is lens, is characterized in that, described coupling mechanism adopts pmma material to make.
6. the planar optical waveguide that end face according to claim 5 is lens, is characterized in that, described pmma material is silicon dioxide or silicon.
7. the planar optical waveguide that end face according to claim 1 is lens, is characterized in that, described coupling mechanism is bidirectional passive device, can realize beam collimation and focusing function respectively according to concrete service condition.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410842767.9A CN104459880A (en) | 2014-12-30 | 2014-12-30 | Planar optical waveguide with lensed end face |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410842767.9A CN104459880A (en) | 2014-12-30 | 2014-12-30 | Planar optical waveguide with lensed end face |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104459880A true CN104459880A (en) | 2015-03-25 |
Family
ID=52906215
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410842767.9A Pending CN104459880A (en) | 2014-12-30 | 2014-12-30 | Planar optical waveguide with lensed end face |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104459880A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106439681A (en) * | 2016-09-30 | 2017-02-22 | 马瑞利汽车零部件(芜湖)有限公司 | Car lamp light guide with large light-emitting area |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5333077A (en) * | 1989-10-31 | 1994-07-26 | Massachusetts Inst Technology | Method and apparatus for efficient concentration of light from laser diode arrays |
| US5879571A (en) * | 1995-06-07 | 1999-03-09 | Optical Networks, Inc. | Lensed planar optical waveguides for packaging opto-electronic devices |
| CN100416320C (en) * | 2003-10-27 | 2008-09-03 | Rpo私人有限公司 | Planar waveguide with patterned cladding and method for producing same |
-
2014
- 2014-12-30 CN CN201410842767.9A patent/CN104459880A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5333077A (en) * | 1989-10-31 | 1994-07-26 | Massachusetts Inst Technology | Method and apparatus for efficient concentration of light from laser diode arrays |
| US5879571A (en) * | 1995-06-07 | 1999-03-09 | Optical Networks, Inc. | Lensed planar optical waveguides for packaging opto-electronic devices |
| CN100416320C (en) * | 2003-10-27 | 2008-09-03 | Rpo私人有限公司 | Planar waveguide with patterned cladding and method for producing same |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106439681A (en) * | 2016-09-30 | 2017-02-22 | 马瑞利汽车零部件(芜湖)有限公司 | Car lamp light guide with large light-emitting area |
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| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150325 |