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Optimization of on-chip photonic delay lines for telecom wavelengths

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, , Citation A Prokhodtsov et al 2018 J. Phys.: Conf. Ser. 1124 051052 DOI 10.1088/1742-6596/1124/5/051052

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Author affiliations

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

2 Department of Physics, Moscow State Pedagogical 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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1742-6596/1124/5/051052

Abstract

In this work, we experimentally studied optical delay lines on silicon nitride platform for telecomm wavelength (1550 nm). We modeled the group delay time and fabricated spiral optical delay lines with different waveguide widths and radii as well as measured their transmission. For the half etched rib waveguides we achieved the losses in the range of 3 dB/cm

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10.1088/1742-6596/1124/5/051052