JPH0444605U - - Google Patents
Info
- Publication number
- JPH0444605U JPH0444605U JP8575690U JP8575690U JPH0444605U JP H0444605 U JPH0444605 U JP H0444605U JP 8575690 U JP8575690 U JP 8575690U JP 8575690 U JP8575690 U JP 8575690U JP H0444605 U JPH0444605 U JP H0444605U
- Authority
- JP
- Japan
- Prior art keywords
- refractive index
- core portion
- waveguide consisting
- cladding portion
- cladding
- 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.)
- Pending
Links
- 238000005253 cladding Methods 0.000 claims 2
- 230000003287 optical effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
Description
第1図は本考案の一実施例を示す構成図、第2
図、第3図は分岐率を例示した本発明の構成図、
第4図は従来例を示す構成図、第5図、第6図は
分岐率を例示した従来例の構成図である。
1……第1の導波路、2……第2の導波路、3
a,3b……クラツド、4a,4b,4c……コ
ア。
Fig. 1 is a configuration diagram showing one embodiment of the present invention;
Figure 3 is a configuration diagram of the present invention illustrating the branching rate,
FIG. 4 is a block diagram showing a conventional example, and FIGS. 5 and 6 are block diagrams of the conventional example illustrating branching rates. 1...First waveguide, 2...Second waveguide, 3
a, 3b...clad, 4a, 4b, 4c...core.
Claims (1)
有するコア部分からなる第1の導波路と、屈折率
n1を有するクラツド部と屈折率n3を有するコ
ア部分からなる第2の導波路を接合してなる光カ
プラにおいて、前記屈折率をn1<n2<n3と
したことを特徴とする光カプラ。 A first waveguide consisting of a cladding portion having a refractive index n 1 and a core portion having a refractive index n 2 ; and a second waveguide consisting of a cladding portion having a refractive index n 1 and a core portion having a refractive index n 3 . What is claimed is: 1. An optical coupler in which the refractive index satisfies n 1 <n 2 <n 3 .
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8575690U JPH0444605U (en) | 1990-08-14 | 1990-08-14 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8575690U JPH0444605U (en) | 1990-08-14 | 1990-08-14 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH0444605U true JPH0444605U (en) | 1992-04-15 |
Family
ID=31817115
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP8575690U Pending JPH0444605U (en) | 1990-08-14 | 1990-08-14 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0444605U (en) |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS63309906A (en) * | 1987-06-10 | 1988-12-19 | Seiko Instr & Electronics Ltd | Optical waveguide coupler |
-
1990
- 1990-08-14 JP JP8575690U patent/JPH0444605U/ja active Pending
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS63309906A (en) * | 1987-06-10 | 1988-12-19 | Seiko Instr & Electronics Ltd | Optical waveguide coupler |
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