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Integrated Bragg waveguides as an efficient optical notch filter on silicon nitride platform

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, , Citation E Zubkova et al 2017 J. Phys.: Conf. Ser. 917 062042 DOI 10.1088/1742-6596/917/6/062042

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

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

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

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

5 National Research University Higher School of Economics, 101000, Russia

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1742-6596/917/6/062042

Abstract

We modeled and fabricated integrated optical Bragg waveguides on a silicon nitride (Si3N4) platform. These waveguides would serve as efficient notch-filters with the desired characteristics. Transmission spectra of the fabricated integrated notch filters have been measured and attenuation at the desired wavelength of 1550 nm down to -43 dB was observed. Performance of the filters has been studied depending on different parameters, such as pitch, filling factor, and height of teeth of the Bragg grating.

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10.1088/1742-6596/917/6/062042