发明申请
- 专利标题： Fabrication of optical waveguides in periodically poled lithium niobate
- 专利标题（中）： 在周期性极化的铌酸锂中制作光波导
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申请号： US10595991申请日： 2004-11-16
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公开(公告)号： US20070092194A1公开(公告)日： 2007-04-26
- 发明人: Peter Smith , Corin Gawith , Lu Ming
- 申请人： Peter Smith , Corin Gawith , Lu Ming
- 申请人地址： GB Hampshire SO17 1BJ
- 专利权人： UNIVERSITY OF SOUTHAMPTON
- 当前专利权人： UNIVERSITY OF SOUTHAMPTON
- 当前专利权人地址： GB Hampshire SO17 1BJ
- 优先权： GB0405177.7 20040308; GB0327267.1 20031124
- 国际申请： PCT/GB04/04806 WO 20041116
- 主分类号： G02B6/10
- IPC分类号： G02B6/10
摘要：
A method of fabricating an optical waveguide (18) comprises providing a sample of lithium niobate (10) that has one or more periodically poled gratings made by electric field poling, applying a patterned surface layer of metallic zinc (16) to a z-face of the sample so that the layer (16) has a pattern corresponding to an intended pattern of waveguides (18) to be written into the lithium niobate, and heating the sample to diffuse the metallic zinc (16) into the lithium niobate so as to form an optical waveguiding structure (18) within the sample.
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