Invention Grant
- Patent Title: Optical semiconductor device, manufacturing method thereof and optical transmission device
- Patent Title (中): 光半导体装置及其制造方法以及光传输装置
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Application No.: US12607442Application Date: 2009-10-28
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Publication No.: US08358885B2Publication Date: 2013-01-22
- Inventor: Seok-Hwan Jeong
- Applicant: Seok-Hwan Jeong
- Applicant Address: JP Kawasaki
- Assignee: Fujitsu Limited
- Current Assignee: Fujitsu Limited
- Current Assignee Address: JP Kawasaki
- Agency: Westerman, Hattori, Daniels & Adrian, LLP
- Priority: JP2008-328194 20081224
- Main IPC: G02B6/26
- IPC: G02B6/26 ; G02B6/42
Abstract:
An optical semiconductor device, including a first optical waveguide with a first width, a second optical waveguide with a second width narrower than the first width with a bending region, and a third optical waveguide with a third width wider than the second width and coupled to the second optical waveguide.
Public/Granted literature
- US20100158443A1 OPTICAL SEMICONDUCTOR DEVICE, MANUFACTURING METHOD THEREOF AND OPTICAL TRANSMISSION DEVICE Public/Granted day:2010-06-24
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