Nanoscale light guiding in dielectric nanowire-loaded nano-rib hybrid Bloch surface waveguide

Weijing Kong; Xiaochang Ni; Rui Meng; Wenhui Zhao

doi:10.1117/12.2574704

10 October 2020 Nanoscale light guiding in dielectric nanowire-loaded nano-rib hybrid Bloch surface waveguide

Weijing Kong, Xiaochang Ni, Rui Meng, Wenhui Zhao

Proceedings Volume 11547, Optoelectronic Devices and Integration IX; 115471H (2020) https://doi.org/10.1117/12.2574704
Event: SPIE/COS Photonics Asia, 2020, Online Only

Conference Poster

Abstract

Here we report a hybrid Bloch surface polariton waveguide by integrating a silicon nano-rib loaded periodic multilayer dielectric structure with a dielectric nanowire at telecommunication wavelength. The hybridization between the Bloch surface mode and dielectric mode is investigated by tuning the key structural parameters of the proposed waveguide. Owing to the existence of the silicon non-rib in close proximity to the dielectric nanowire, the characteristics of the Bloch surface mode can be strongly modiﬁed, enabling low-loss light guiding in conjunction with subwavelength mode confinement. Such hybrid configuration demonstrates significant superior light guiding properties over the conventional Bloch surface polaritons and nanowire polaritons, which may open possibilities of the implementation of a variety of high-performance integrated photonic components.

Conference Presentation

Citation Download Citation

Weijing Kong, Xiaochang Ni, Rui Meng, and Wenhui Zhao "Nanoscale light guiding in dielectric nanowire-loaded nano-rib hybrid Bloch surface waveguide", Proc. SPIE 11547, Optoelectronic Devices and Integration IX, 115471H (10 October 2020); https://doi.org/10.1117/12.2574704

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