Subwavelength grating devices for optical on-chip multiplexing

Lu Liu; Zhiping Zhou

doi:10.1117/12.2503322

25 October 2018 Subwavelength grating devices for optical on-chip multiplexing

Lu Liu, Zhiping Zhou

Proceedings Volume 10823, Nanophotonics and Micro/Nano Optics IV; 108230A (2018) https://doi.org/10.1117/12.2503322
Event: SPIE/COS Photonics Asia, 2018, Beijing, China

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.

Citation Download Citation

Lu Liu and Zhiping Zhou "Subwavelength grating devices for optical on-chip multiplexing", Proc. SPIE 10823, Nanophotonics and Micro/Nano Optics IV, 108230A (25 October 2018); https://doi.org/10.1117/12.2503322

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