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WDM Performances of Two- and Three-Waveguide Mach-Zehnder Switches Assembled into 4x4 Matrix Router

By Giovanna Calo and Vincenzo Petruzzelli
Progress In Electromagnetics Research Letters, Vol. 38, 1-16, 2013


The performance comparison of two configurations of broadband Mach-Zehnder Switches exploiting, respectively, two and three waveguides, assembled into 4x4 matrices is reported in this paper. The simulations are performed by the Finite Element Method and the Finite Difference Beam Propagation Method. In particular, we have found that, to parity of maximum insertion loss, about equal to 1 dB for the single switch and 3 dB for the 4x4 matrix, the proposed three-waveguide configuration exhibits an almost doubled bandwidth Δλ=115 nm, making it suitable for efficient routing of the Wavelength Division Multiplexing signals over photonic Networks on Chip.


Giovanna Calo and Vincenzo Petruzzelli, "WDM Performances of Two- and Three-Waveguide Mach-Zehnder Switches Assembled into 4x4 Matrix Router," Progress In Electromagnetics Research Letters, Vol. 38, 1-16, 2013.


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