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Subwavelength grating devices for optical on-chip multiplexing
Author(s): Lu Liu; Zhiping Zhou
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Paper Abstract

The multiplexing technology is an effective approach to enhance the capacity of optical communication system while numerous kinds of multiplexing devices have been proposed. Subwavelength gratings (SWGs) are periodic structures with pitches small enough to locally synthesize the refractive index. This talk provides an introduction to the basics of SWG and particularly focuses on the design strategies of some SWG based devices in multiplexing system, including polarization independent directional coupler, polarization beam splitter and wavelength multiplexer. With SWG to engineer the refractive index, birefringence and dispersion, these devices possess more design freedoms and exhibit a better performance.

Paper Details

Date Published: 25 October 2018
PDF: 7 pages
Proc. SPIE 10823, Nanophotonics and Micro/Nano Optics IV, 108230A (25 October 2018); doi: 10.1117/12.2503322
Show Author Affiliations
Lu Liu, Peking Univ. (China)
CAICT (China)
Zhiping Zhou, Peking Univ. (China)

Published in SPIE Proceedings Vol. 10823:
Nanophotonics and Micro/Nano Optics IV
Zhiping Zhou; Kazumi Wada, Editor(s)

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