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Prokhodtsov A, An P, Kovalyuk V, Zubkova E, Golikov A, Korneev A, et al. Optimization of on-chip photonic delay lines for telecom wavelengths. In: J. Phys.: Conf. Ser. Vol 1124.; 2018. 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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