发明名称 |
S-shaped curved optical waveguide and optical device |
摘要 |
The present invention relates to a curved optical waveguide which is free of any axis-deviation structure in the middle of the waveguide and which has a sigmoidal core shape, wherein the curvature thereof at one end is zero and the curvature thereof at the other end is finite (>0) and the use of such a curved optical waveguide permits the reduction of optical loss at the connected portions to the lowest possible level even when it is applied to, for instance, an optical splitter or a directional coupler and the curved optical waveguide of the present invention can provide an optical waveguide which never requires the use of any offset.
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申请公布号 |
US7444050(B2) |
申请公布日期 |
2008.10.28 |
申请号 |
US20060582977 |
申请日期 |
2006.10.19 |
申请人 |
HITACHI CHEMICAL COMPANY, LTD. |
发明人 |
MIYADERA NOBUO;YAMAMOTO REI |
分类号 |
G02B6/26;G02B6/12;G02B6/125 |
主分类号 |
G02B6/26 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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