Simulation of an all-optical 1 x 2 SMZ switch with a high contrast ratio

Ming-Feng Chiang, Zabih Ghassemlooy, Wai Pang Ng, Hoa Le Minh, Ahmad Abd El Aziz

Research output: Contribution to journalArticlepeer-review

Abstract

In this paper, an all-optical 1×2 high contrast ratio (CR) switch based on the symmetric Mach-Zehnder (SMZ) interferometers is presented. Simulation results show a remarkable improvement of the inter-output CR (~25 dB) between the two outputs compared with an existing SMZ switch. It is shown that the proposed switch offers high values of inter-output CR (> 32dB) over a wide range of input powers using appropriate power of the control pulses. The proposed switch can also support broadcast and drop switching modes when using together with an additional XOR gate.
Original languageEnglish
Pages (from-to)58-64
JournalThe Mediterranean Journal of Electronics and Communications
Volume6
Issue number2
Publication statusPublished - 2010

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