Optical switch and optical waveform monitoring apparatus

Details Optical switch and optical waveform monitoring apparatus Optical switch and optical waveform monitoring apparatus

2007-11-30

2010-12-14

Li, Shi K (Department: 2613)

Optical communications

Diagnostic testing

Determination of communication parameter

C398S045000

Reexamination Certificate

active

07853145

ABSTRACT:
According to an aspect of an embodiment, an optical switch comprises:a coupler for coupling a signal light and a control pulse;a first nonlinear medium for amplifying the signal light in accordance with the polarization direction of the control pulse light by nonlinear effect;a first polarizer outputting a component light in a signal light and the control pulse light in parallel with the transmission axis of the first polarizer;a second nonlinear medium for changing status of polarization of the signal light by nonlinear effect; anda second polarizer outputting a signal light and a control pulse light in parallel with the transmission axis of the second polarizer.

REFERENCES:
patent: 6728019 (2004-04-01), Usami et al.
patent: 2006/0051100 (2006-03-01), Watanabe
patent: 2006-184851 (2006-07-01), None

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