We design and simulate six-and seven-port optical routers based on Mach-Zehnder interferometer switches that are suitable for photonic networks-on-chip. The routers are composed of 12 and 22 switching elements as the possible 30 input/output and 42 input/output routing paths are verified at a data transmission rate of 20 Gbps for six-and seven-port optical routers, respectively. We use an OptiSystem simulator to evaluate the proposed optical routers from the aspects of insertion loss, Q-factor and minimum bit error ratio. Downloaded From: http://opticalengineering.spiedigitallibrary.org/ on 05/15/2015 Terms of Use: http://spiedl.org/terms Optical Engineering 035102-3 March 2015 • Vol. 54(3) Yaghoubi, Reshadi, and Hosseinzadeh: Mach-Zehnder-based optical router design for photonic networks on chip Downloaded From: http://opticalengineering.spiedigitallibrary.org/ on 05/15/2015 Terms of Use: http://spiedl.org/terms M6,M12,M21, Yaghoubi, Reshadi, and Hosseinzadeh: Mach-Zehnder-based optical router design for photonic networks on chip Downloaded From: http://opticalengineering.spiedigitallibrary.org/ on 05/15/2015 Terms of Use: http://spiedl.org/terms

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