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Proceedings Paper

New configuration of photonic logic gates based on single hexagonal-lattice photonic crystal ring resonator
Author(s): JunZhen Jiang; Junqin Wang; Xiaofu Xu; Junjun Li; Xiyao Chen; Yishen Qiu; Zexuan Qiang
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Paper Abstract

We report a new configuration of logic gates based on single hexagonal-lattice PCRR composed of cylindrical silicon rods in air. Two types of inner ring including regular hexagonal and circular are numerically discussed by using 2D finite-difference time-domain (FDTD) technique. The impact of surrounding periods and scatterers like size and relative phase at each input port was investigated. The logic '0' and '1' of hexagonal ring can be defined as less than 17% and greater than 85%, respectively, much better than early reported square-lattice results. The simulation results also proved that photonic logic gates based on this new single PCRR can really function as NOT and NOR gates, respectively. These findings make PCRRs potential applications for all-optical logic circuits and ultra-compact high density photonic integration.

Paper Details

Date Published: 15 November 2010
PDF: 7 pages
Proc. SPIE 7847, Optoelectronic Devices and Integration III, 78470T (15 November 2010); doi: 10.1117/12.868377
Show Author Affiliations
JunZhen Jiang, Fujian Normal Univ. (China)
Junqin Wang, Fujian Normal Univ. (China)
Xiaofu Xu, Fujian Normal Univ. (China)
Junjun Li, Fujian Normal Univ. (China)
Xiyao Chen, Minjiang Univ. (China)
Yishen Qiu, Fujian Normal Univ. (China)
Zexuan Qiang, Fujian Normal Univ. (China)

Published in SPIE Proceedings Vol. 7847:
Optoelectronic Devices and Integration III
Xuping Zhang; Hai Ming; Alan Xiaolong Wang, Editor(s)

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