Invention Grant
- Patent Title: Bidirectional monitor module, optical module, optical add-drop multiplexer, and optical system
- Patent Title (中): 双向监控模块，光模块，光分插复用器和光学系统
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Application No.: US13850551Application Date: 2013-03-26
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Publication No.: US08971700B2Publication Date: 2015-03-03
- Inventor: Takeshi Sakamoto , Norifumi Shukunami
- Applicant: Fujitsu Limited
- Applicant Address: JP Kawasaki
- Assignee: Fujitsu Limited
- Current Assignee: Fujitsu Limited
- Current Assignee Address: JP Kawasaki
- Agency: Staas & Halsey LLP
- Priority: JP2012-132763 20120612
- Main IPC: H04B10/07
- IPC: H04B10/07 ; H04J14/02 ; H04B10/079
Abstract:
A bidirectional monitor module includes a 2×2 optical coupler configured to output input light that is input from a first port to a second port and drop the input light input from the first port to a third port and also output input light that is input from the second port to the first port and drop the input light input from the second port to a fourth port; an optical output unit configured to output one of light that is dropped and output from the third port and light that is dropped and output from the fourth port; and a monitor unit configured to monitor optical power of the light output from the optical output unit.
Public/Granted literature
- US20130330073A1 BIDIRECTIONAL MONITOR MODULE, OPTICAL MODULE, OPTICAL ADD-DROP MULTIPLEXER, AND OPTICAL SYSTEM Public/Granted day:2013-12-12
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