Invention Grant
- Patent Title: Waveguide type optical isolator and magnet holder used in waveguide type optical isolator
- Patent Title (中): 用于波导型光隔离器的波导型光隔离器和磁铁座
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Application No.: US12279527Application Date: 2007-02-16
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Publication No.: US07826690B2Publication Date: 2010-11-02
- Inventor: Ikuo Nakajima , Etsuji Hayakawa , Tetsuya Mizumoto
- Applicant: Ikuo Nakajima , Etsuji Hayakawa , Tetsuya Mizumoto
- Applicant Address: JP Tokyo
- Assignee: Mitsumi Electric Co., Ltd.
- Current Assignee: Mitsumi Electric Co., Ltd.
- Current Assignee Address: JP Tokyo
- Agency: Holtz, Holtz, Goodman & Chick, PC
- Priority: JP2006-041164 20060217
- International Application: PCT/JP2007/053330 WO 20070216
- International Announcement: WO2007/094515 WO 20070823
- Main IPC: G02F1/295
- IPC: G02F1/295 ; G02B6/36
Abstract:
A waveguide type optical isolator comprises a substrate, a waveguiding layer provided with waveguides, a magnetic garnet, magnetic field applying means, and a package substrate, wherein a first magnet and a second magnet is provided as the magnetic field applying means, and the first magnet and the second magnet are housed and fixed within a magnet holder.
Public/Granted literature
- US20090208165A1 WAVEGUIDE TYPE OPTICAL ISOLATOR AND MAGNET HOLDER USED IN WAVEGUIDE TYPE OPTICAL ISOLATOR Public/Granted day:2009-08-20
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