发明授权
- 专利标题: Grating into a high index contrast strip or channel waveguide
- 专利标题(中): 光栅成高折射率对比条或通道波导
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申请号: US10196041申请日: 2002-07-16
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公开(公告)号: US07346238B2公开(公告)日: 2008-03-18
- 发明人: Lionel C. Kimerling , Desmond R. Lim
- 申请人: Lionel C. Kimerling , Desmond R. Lim
- 申请人地址: US MA Cambridge
- 专利权人: Massachusetts Institute of Technology
- 当前专利权人: Massachusetts Institute of Technology
- 当前专利权人地址: US MA Cambridge
- 代理机构: Gauthier & Connors LLP
- 主分类号: G02B6/34
- IPC分类号: G02B6/34
摘要:
A high index difference coupler includes a high index difference waveguide having one or more modes. A plurality of gratings is formed on the high index difference waveguide. The effective index difference between low index regions and high index regions of the waveguide is greater than 0.3.
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