Invention Grant
- Patent Title: Driving circuit of optical gate switch
- Patent Title (中): 光栅开关驱动电路
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Application No.: US12926199Application Date: 2010-11-01
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Publication No.: US08139903B2Publication Date: 2012-03-20
- Inventor: Masaji Noguchi , Tomohiro Ueno , Yutaka Kai , Setsuo Yoshida
- Applicant: Masaji Noguchi , Tomohiro Ueno , Yutaka Kai , Setsuo Yoshida
- Applicant Address: JP Kawasaki
- Assignee: Fujitsu Limited
- Current Assignee: Fujitsu Limited
- Current Assignee Address: JP Kawasaki
- Agency: Staas & Halsey LLP
- Priority: JP2006-253339 20060919
- Main IPC: G02F1/035
- IPC: G02F1/035
Abstract:
A driving circuit of a semiconductor optical amplifier type gate switch constituting a matrix optical switch is provided with an operation amplifier into which a driving signal is input and from which a current corresponding to the driving signal is output, an inductance element provided at an output terminal of the operation amplifier, and a circuit composed of a diode element and a resistor element connected in parallel and provided between the inductance element and the semiconductor optical amplifier.
Public/Granted literature
- US20110050293A1 Driving circuit of optical gate switch Public/Granted day:2011-03-03
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