Invention Grant
- Patent Title: Method to control optical receiver implemented with semiconductor optical amplifier and method to control optical communication
- Patent Title (中): 用半导体光放大器控制光接收机的方法和控制光通信的方法
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Application No.: US13838564Application Date: 2013-03-15
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Publication No.: US09054815B2Publication Date: 2015-06-09
- Inventor: Ryota Teranishi
- Applicant: SUMITOMO ELECTRIC DEVICE INNOVATIONS, INC.
- Applicant Address: JP Yokohama-shi
- Assignee: SUMITOMO ELECTRIC DEVICE INNOVATIONS, INC.
- Current Assignee: SUMITOMO ELECTRIC DEVICE INNOVATIONS, INC.
- Current Assignee Address: JP Yokohama-shi
- Agency: Westerman, Hattori, Daniels & Adrian, LLP
- Priority: JP2012-061024 20120316
- Main IPC: H04B10/67
- IPC: H04B10/67
Abstract:
A method to control an optical receiver implemented with a semiconductor optical amplifier (SOA) is disclosed. The SOA has a p-n junction operable in a PD mode when it is supplied with a zero or reverse bias. The SOA detects the magnitude of the incoming light and the driving current supplied thereto is adjusted based on thus detected magnitude of the incoming light such that the outgoing light provided to the PD has a magnitude within a preset range.
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