发明名称 |
Optical waveguide element |
摘要 |
An optical waveguide element having a cladding layer formed on a substrate and at least one waveguide core formed in the cladding layer for transmitting an optical signal. Two heater sections are provided for shifting a phase of optical signals. The two heater sections show different design. This helps controlling heater induced birefringence.
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申请公布号 |
US2004141691(A1) |
申请公布日期 |
2004.07.22 |
申请号 |
US20030736141 |
申请日期 |
2003.12.15 |
申请人 |
INTERNATIONAL BUSINESS MACHINES CORPORATION |
发明人 |
WIESMANN DOROTHEA;OFFREIN BERT |
分类号 |
G02F1/01;G02F1/313;(IPC1-7):G02B6/26 |
主分类号 |
G02F1/01 |
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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