Optical Label Recognition Using Tree-Structure Self-Routing Circuits Consisting of Asymmetric X-Junctions(Optoelectronics)
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概要
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We propose a new label recognition system for photonic label routing network. Binary-coded labels in binary phase-shift-keying format are considered. The system consists of an optical waveguide circuit with tree-structure passive asymmetric X-junctions and time gates. The system uses self-routing propagation of an identifying bit by performing interference with address bits. The identifying bit is placed in advance of the address bits in the label. The identifying bit pulse is routed to the destination output port corresponding to the code of the address. The operation principle is described. It is shown that all the binary number codes can be recognized with this system. We discuss the feasibility of the system by evaluating its crosstalk. To reduce the crosstalk, an improved scheme is also presented. The label recognition operation with the optical waveguide device is verified by numerical simulation using the finite-difference beam propagation method.
- 2007-12-01
著者
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GOTO Nobuo
Department of Electrical Engineering, Faculty of Engineering, Nagoya University
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Goto Nobuo
Department Of Information Solution Institute Of Technology And Science The University Of Tokushima
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Goto Nobuo
Department Of Electrical Engineering Faculty Of Engineering Nagoya University
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HIURA Hitoshi
Department of Optical Science and Technology, The University of Tokushima
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Hiura Hitoshi
Univ. Tokushima Tokushima‐shi Jpn
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Hiura Hitoshi
Department Of Information And Computer Sciences Toyohashi University Of Technology:(present Office)n
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NARITA Jouji
Department of Information and Computer Sciences, Toyohashi University of Technology
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Narita Jouji
Department Of Information And Computer Sciences Toyohashi University Of Technology
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Hiura Hitoshi
Department Of Bioscience Tokyo University Of Agriculture
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