Hybridized low-loss plasmonic-optical waveguides for ultra-compact integration

Zhijun Sun; Xiaoliu Zuo; Jie Li; Bowen Liu

doi:10.1117/12.868558

19 October 2010 Hybridized low-loss plasmonic-optical waveguides for ultra-compact integration

Zhijun Sun, Xiaoliu Zuo, Jie Li, Bowen Liu

Proceedings Volume 7847, Optoelectronic Devices and Integration III; 78470O (2010) https://doi.org/10.1117/12.868558
Event: Photonics Asia 2010, 2010, Beijing, China

Abstract

In this work, we report a novel waveguide structure that hybridizes the conventional dielectric waveguides with novel metal/dielectric plasmonic waveguides by incorporating the former inside the dielectric part of the latter. As a result, the strongest field in the waveguide locates at the center of the guide instead of the metal/dielectric interfaces, which can significantly reduce the propagation loss, and meanwhile offer excellent confinement of the plasmonic lightwave. Theoretically the inside wave mode is to be shown a hybrid plasmonic-optical mode. We further analyze the mode properties of such waveguides with various structure dimensions, and demonstrate its wave propagating characteristics with numerical simulations. The theoretical study suggests that such waveguides are promising for ultra-compact integration of lightwave circuit. Additionally, fabrication of such waveguides is compatible with current micro/nanofabrication technologies.

Citation Download Citation

Zhijun Sun, Xiaoliu Zuo, Jie Li, and Bowen Liu "Hybridized low-loss plasmonic-optical waveguides for ultra-compact integration", Proc. SPIE 7847, Optoelectronic Devices and Integration III, 78470O (19 October 2010); https://doi.org/10.1117/12.868558

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