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Pérez-Galacho, Diego Marris-Morini, Delphine Ortega-Moñux, Alejandro Wanguemert-Pérez, Juan Gonzalo Vivien, Laurent 2024-10-01T10:12:43Z 2024-10-01T10:12:43Z 2015 D. Pérez-Galacho, D. Marris-Morini, A. Ortega-Moñux, J. G. Wangüemert-Pérez and L. Vivien, "Add/Drop Mode-Division Multiplexer Based on a Mach–Zehnder Interferometer and Periodic Waveguides," in IEEE Photonics Journal, vol. 7, no. 4, pp. 1-7, Aug. 2015, Art no. 7800907, doi: 10.1109/JPHOT.2015.2446765. keywords: {Optical waveguides;Multiplexing;Bandwidth;Couplers;Ports (Computers);Bridges;Optical fiber communication;Mode-division multiplexing;periodic waveguides;subwavelength grating;Bragg grating}, https://hdl.handle.net/10630/34122 10.1109/JPHOT.2015.2446765 Mode-division multiplexing (MDM) is currently under study due to its potential to further increase data rates in optical communication circuits. In this paper, we propose an add/drop MDM for the first- and second-order modes that cover the whole C-Band (1.53–1.57 m). The device is based on a Mach–Zehnder interferometer, including periodic waveguides in the arms. Mode selectivity is provided by means of the periodic waveguides, which are designed to allow the propagation of the second mode and to reflect the first mode. The proposed device exhibits less than 1 dB insertion loss and more than 30 dB extinction ratio in the whole C-Band. Furthermore, it presents wide fabrication tolerances. eng http://creativecommons.org/licenses/by-nc-nd/4.0/ open access Attribution-NonCommercial-NoDerivatives 4.0 Internacional Guías de ondas Interferómetros Add/Drop Mode-Division Multiplexer Based on a Mach–Zehnder Interferometer and Periodic Waveguides. journal article