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Conferences > IPRSN > 2013 > IM1A > IM1A.4

Ultra-low-loss Waveguide Crossing Arrays Based on Imaginary Coupling of Multimode Bloch Waves

Yangyang Liu, Jeffrey Shainline, Xiaoge Zeng, and Miloš A. Popović

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Abstract

We experimentally demonstrate ultra-low-loss waveguide crossing arrays showing loss down to 0.04dB/crossing. They rely on a low loss, focusing Bloch wave that is stabilized by radiative scattering, via a radiative form of coupling.

© 2013 Optical Society of America

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