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Optical waveguide circuits for recognition of PSK and QAM coded labels

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5 Author(s)
Nobuo Goto ; Dept. of Opt. Sci. & Technol., Univ. of Tokushima, Tokushima, Japan ; Hitoshi Hiura ; Yoshihiro Makimoto ; Kensuke Inoshita
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Optical waveguide circuits for recognition of BPSK, QPSK, and 16QAM coded labels are proposed. The circuits consist of optical passive elements, such as a Y-branching junction, a 3-dB directional coupler, and an asymmetric X-junction coupler. The device performance is analyzed and verified by finite-difference beam propagation method.

Published in:

Optical Engineering (ICOE), 2012 International Conference on

Date of Conference:

26-28 July 2012