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.
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Ashkan Pashamehr received the M.Sc. degree in electronic engineering from Islamic Azad University, Ahar,Iran, in 2013. His M.Sc. thesis focused on the “Design and simulation of logical gates based on photonic crystals”. His research interests include ring resonators and waveguides structures and photonic crystals.
Mahdi Zavvari received the B.S. degree from Tabriz University in 2004 and M.S. and Ph.D. degrees from Islamic Azad University science and research branch in 2007 and 2012, respectively all in electronic engineering. He is currently academic staff of Urmia branch, Islamic Azad University. His research interests are quantum dot/ring photodetectors, single photon detectors, avalanche photodiodes and photonic crystal based optical devices.
Hamed Alipour-Banaei received his M. Sc. and Ph.D. degrees from University of Tabriz, Iran. He is currently assistant professor in Islamic Azad University, Tabriz Branch, Faculty of Engineering. His research interests are optical devices, equipments and materials, optical fibers, and optical fiber nonlinear effects. He is the author or co-author of more than 60 journal and conference papers.
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Pashamehr, A., Zavvari, M. & Alipour-Banaei, H. All-optical AND/OR/NOT logic gates based on photonic crystal ring resonators. Front. Optoelectron. 9, 578–584 (2016). https://doi.org/10.1007/s12200-016-0513-7
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DOI: https://doi.org/10.1007/s12200-016-0513-7