JPH0357449B2 - - Google Patents
Info
- Publication number
- JPH0357449B2 JPH0357449B2 JP56042214A JP4221481A JPH0357449B2 JP H0357449 B2 JPH0357449 B2 JP H0357449B2 JP 56042214 A JP56042214 A JP 56042214A JP 4221481 A JP4221481 A JP 4221481A JP H0357449 B2 JPH0357449 B2 JP H0357449B2
- Authority
- JP
- Japan
- Prior art keywords
- waveguide
- light
- refractive index
- branch
- main
- Prior art date
- 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.)
- Expired - Lifetime
Links
- 230000003287 optical effect Effects 0.000 claims description 14
- 239000000758 substrate Substances 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 5
- 239000013078 crystal Substances 0.000 claims description 4
- 230000000644 propagated effect Effects 0.000 claims description 2
- 230000001902 propagating effect Effects 0.000 claims description 2
- 238000009792 diffusion process Methods 0.000 description 6
- 239000010936 titanium Substances 0.000 description 5
- 229910013641 LiNbO 3 Inorganic materials 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- CPBQJMYROZQQJC-UHFFFAOYSA-N helium neon Chemical compound [He].[Ne] CPBQJMYROZQQJC-UHFFFAOYSA-N 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000010408 film Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000005342 ion exchange Methods 0.000 description 1
- 238000005468 ion implantation Methods 0.000 description 1
- 238000005224 laser annealing Methods 0.000 description 1
- GQYHUHYESMUTHG-UHFFFAOYSA-N lithium niobate Chemical compound [Li+].[O-][Nb](=O)=O GQYHUHYESMUTHG-UHFFFAOYSA-N 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000013307 optical fiber Substances 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 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
- G02B6/10—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
- G02B6/13—Integrated optical circuits characterised by the manufacturing method
- G02B6/134—Integrated optical circuits characterised by the manufacturing method by substitution by dopant atoms
- G02B6/1342—Integrated optical circuits characterised by the manufacturing method by substitution by dopant atoms using diffusion
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Optical Integrated Circuits (AREA)
- Control Of Motors That Do Not Use Commutators (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4221481A JPS57157208A (en) | 1981-03-23 | 1981-03-23 | Waveguide type filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4221481A JPS57157208A (en) | 1981-03-23 | 1981-03-23 | Waveguide type filter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS57157208A JPS57157208A (en) | 1982-09-28 |
| JPH0357449B2 true JPH0357449B2 (el) | 1991-09-02 |
Family
ID=12629779
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4221481A Granted JPS57157208A (en) | 1981-03-23 | 1981-03-23 | Waveguide type filter |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS57157208A (el) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS51117642A (en) * | 1975-04-09 | 1976-10-15 | Agency Of Ind Science & Technol | Dielectric branch line type wave separator |
| JPS547949A (en) * | 1977-06-20 | 1979-01-20 | Mitsubishi Electric Corp | Wavelength descriminator |
-
1981
- 1981-03-23 JP JP4221481A patent/JPS57157208A/ja active Granted
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS51117642A (en) * | 1975-04-09 | 1976-10-15 | Agency Of Ind Science & Technol | Dielectric branch line type wave separator |
| JPS547949A (en) * | 1977-06-20 | 1979-01-20 | Mitsubishi Electric Corp | Wavelength descriminator |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS57157208A (en) | 1982-09-28 |
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