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CWDM demultiplexer using anti-reflection, contra-directional couplers based on silicon nitride rib waveguide

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, , Citation E Zubkova et al 2019 J. Phys.: Conf. Ser. 1410 012179 DOI 10.1088/1742-6596/1410/1/012179

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Author affiliations

1 National Research University Higher School of Economics, Moscow 101000, Russia

2 Department of Physics, Moscow Pedagogical State University, 119992, Russia

3 Zavoisky Physical-Technical Institute of the Russian Academy of Sciences, 420029, Russia

4 Moscow Institute of Physics and Technology (State University), 141700, Russia

5 Institute of Physics, University of Münster, 48149, Germany

6 CeNTech - Center for Nanotechnology, University of Münster, 48149, Germany

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1742-6596/1410/1/012179

Abstract

We report on the development and fabrication of a 9-channel coarse wavelength-division multiplexing for telecommunication wavelengths (1550 nm) using anti-reflection contra-directional couplers, based on silicon nitride (Si3N4) rib waveguide. The transmitted and reflected spectrum in each channel of the demultiplexer were measured. The average full width at half maximum of the transmitted (reflected) spectra is about 3 nm.

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10.1088/1742-6596/1410/1/012179