Frontiers of Optoelectronics, 2016, 9 (4): 578–584, 网络出版: 2017-03-09  

All-optical AND/OR/NOT logic gates based on photonic crystal ring resonators

All-optical AND/OR/NOT logic gates based on photonic crystal ring resonators
作者单位
1 Department of Electrical Engineering, Urmia Branch, Islamic Azad University, Urmia, Iran
2 Department of Electrical Engineering, Tabriz Branch, Islamic Azad University, Tabriz, Iran
摘要
Abstract
Photonic crystal based ring resonators are best choice for designing all-optical devices. In this paper, we used a basic structure of photonic crystal ring resonators and designed all optical logic gates which are working using the Kerr effect. The proposed gates consisted of upper and lower waveguides coupled through a resonator which was designed for dropping of special wavelength. The resonance wavelength was designed for 1550 nm telecom operation wavelength. We used numerical methods such as plane wave expansion and finite difference time domain (FDTD) for performing our simulations and studied the optical properties of the proposed structures. Our results showed that the critical input power for triggering the gate output was lower compared to previously reported gates.

Ashkan PASHAMEHR, Mahdi ZAVVARI, Hamed ALIPOUR-BANAEI. All-optical AND/OR/NOT logic gates based on photonic crystal ring resonators[J]. Frontiers of Optoelectronics, 2016, 9(4): 578–584. Ashkan PASHAMEHR, Mahdi ZAVVARI, Hamed ALIPOUR-BANAEI. All-optical AND/OR/NOT logic gates based on photonic crystal ring resonators[J]. Frontiers of Optoelectronics, 2016, 9(4): 578–584.

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