Theoretical analysis of all-optical clocked D flip-flop using a single SOA assisted symmetric MZI

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• 作者：Tanay Chattopadhyay^a ; ^{tanay2222@rediffmail.com} ; ^{tanay@av.it.pt} ; Cl25 ; udia Reis^b ; ^d ; Paulo André ; ^b ; ^c ; Ant43 ; nio Teixeira^b ; ^d
• 关键词：All-optical flip-flop ; Symmetric Mach&ndash ; Zehnder interferometer ; D flip-flop ; Optical packet switching ; All-optical processing
• 刊名：Optics Communications
• 出版年：2012
• 期刊代码：50_00304018
• 类别：ph
• 出版时间：1 May, 2012
• 卷：285
• 期：9
• 页码：2266-2275
• 文件大小：1544 K

摘要

A novel scheme for an all-optical clocked D flip-flop, with very low complexity, is proposed and numerically demonstrated. This new flip-flop configuration is based on a semiconductor optical amplifier 鈥?Mach-Zehnder interferometer (SOA-MZI), with a feedback loop, and presents two stable states determined by the phase shift between the two MZI arms.