alexa Novel All Optic Logic Gates using 2D Photonic Crystal Structure | OMICS International | Abstract
ISSN: 2169-0022

Journal of Material Sciences & Engineering
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Research Article

Novel All Optic Logic Gates using 2D Photonic Crystal Structure

Achary SN*

Faculty of Physics Ganjam College, Ganjam, India

*Corresponding Author:
Achary SN
Faculty of Physics Ganjam College, Ganjam, India
Tel: 2543289
E-mail: [email protected]

Received Date: June 02, 2015; Accepted Date: June 23, 2015; Published Date: July 03, 2015

Citation: Achary SN (2015) Novel All Optic Logic Gates using 2D Photonic Crystal Structure. J Material Sci Eng 4: 178. doi:10.4172/2169-0022.1000178

Copyright: © 2015 Achary SN. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

Abstract

A novel scheme for implementation of all-optical logic gate based on 2D photonic crystal structure has been proposed. The design and simulation of novel all-optical logic gates based on two dimensional photonic crystals are reported in this paper. The proposed PCS is comprised of two-dimensional lattice of air holes in a square Silicon substrate having refractive index of 3.15. The operational wavelength of the input ports is 1.55 μm. Since the structure is a simple geometric in its dimension with clear operating principle, it is potentially applicable for photonic integrated circuits. The logic operations are realized by a control signal and the input signal (s) applied across two adjacent faces, while the output is obtained along one of the remaining face. No control signal is used for AND Gate, However to realize OR, NOT and NOR Gates a control signal is applied at the third face. With same structure one can realize all optic logic gates. The steady state field distributions at different input sates are obtained by FDTD simulation. The results indicate the potential candidature of the photonic crystal for optical digital integrated circuits.

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