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Conferences > ACPC > 2015 > AM3F > AM3F.5

High-Contrast Recognition of QPSK Coded Labels by Optical Waveguide Circuit With Nonlinear Thresholders

Tadashi Kondo, Hiroki Kishikawa, and Nobuo Goto

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Abstract

Our previously reported passive waveguide circuits recognizing PSK labels limited the number of recognizable labels due to its low contrast at the outputs. In this paper, we propose the improved circuits utilizing optical nonlinear thresholders.

© 2015 Optical Society of America

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