Invention Grant
- Patent Title: Optical control element
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Application No.: US16367762Application Date: 2019-03-28
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Publication No.: US10739624B2Publication Date: 2020-08-11
- Inventor: Yuji Yamane , Tetsuya Fujino , Hideki Ichimei
- Applicant: Sumitomo Osaka Cement Co., Ltd.
- Applicant Address: JP Tokyo
- Assignee: SUMITOMO OSAKA CEMENT CO., LTD.
- Current Assignee: SUMITOMO OSAKA CEMENT CO., LTD.
- Current Assignee Address: JP Tokyo
- Agency: IpHorgan Ltd.
- Priority: com.zzzhc.datahub.patent.etl.us.BibliographicData$PriorityClaim@57bec99e
- Main IPC: G02F1/035
- IPC: G02F1/035
Abstract:
An optical control element including an optical waveguide formed by using diffusion of titanium that is formed on a lithium niobate substrate and a control electrode formed on the lithium niobate substrate that is provided in the vicinity of the optical waveguide, in which an amount of a hydroxyl group absorbed into the lithium niobate substrate is set to be in a range of 0.5 to 2.5 cm−1.
Public/Granted literature
- US20190302491A1 OPTICAL CONTROL ELEMENT Public/Granted day:2019-10-03
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