All optical NAND gate based on nonlinear photonic crystal ring resonators

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• 作者：Hamed Alipour-Banaei^a ; Somaye Serajmohammadi^b ; ^{S-seraj@iau-ahar.ac.ir} ; Farhad Mehdizadeh^c
• 关键词：Photonic crystal ; NAND gate ; Band gap
• 刊名：Optik - International Journal for Light and Electron Optics
• 出版年：2017
• 出版时间：February 2017
• 年：2017
• 卷：130
• 期：Complete
• 页码：1214-1221
• 全文大小：4458 K
• 卷排序：130

文摘

In this paper we proposed a new design for all optical NAND gate. By combining nonlinear Kerr effect with photonic crystal ring resonators first we designed AND and NOT gates, then by cascading these two structures we implemented a AND-NOT structure which operates as a NAND gate. The switching power threshold obtained for this structure equal to 1 kW/μm2. For designing the proposed optical logic gate we employed two resonant rings with the same structures, both rings at the logic gates were designed such that their resonant wavelength be at λ = 1550 nm.