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Conference Paper
Integrated Photonics Research, Silicon and Nanophotonics
Rio Grande, Puerto Rico United States
July 14-17, 2013
ISBN: 978-1-55752-981-7
Nanophotonics Devices (IM1A)

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

Yangyang Liu, Jeffrey M. Shainline, Xiaoge Zeng, and Milos Popovic  »View Author Affiliations


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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 OSA

OCIS Codes
(230.7370) Optical devices : Waveguides
(130.3990) Integrated optics : Micro-optical devices

Y. Liu, J. M. Shainline, X. Zeng, and M. Popovic, "Ultra-low-loss Waveguide Crossing Arrays Based on Imaginary Coupling of Multimode Bloch Waves," in Advanced Photonics 2013, H. Chang, V. Tolstikhin, T. Krauss, and M. Watts, eds., OSA Technical Digest (online) (Optical Society of America, 2013), paper IM1A.4.

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