Grating based hybrid plasmonic waveguide for subwavelength optical confinement with low loss

Tarun Sharma; Anuj Sharma; Mukesh Kumar

doi:10.1117/12.2225892

19 April 2016 Grating based hybrid plasmonic waveguide for subwavelength optical confinement with low loss

Tarun Sharma, Anuj Sharma, Mukesh Kumar

Proceedings Volume 9884, Nanophotonics VI; 98842A (2016) https://doi.org/10.1117/12.2225892
Event: SPIE Photonics Europe, 2016, Brussels, Belgium

Abstract

A Grating Based hybrid-Plasmonic-waveguide with subwavelength optical-confinement is proposed which exhibits large-propagation-length with low-modal-propagation-loss. The Grating is formed in Si region by varying the grating period and duty cycle. The thickness of the grating region is 600 nm and the grating period is 700 nm. The mode is confined in the 10 nm SiO₂ region. The Si layer below the SiO₂ provides the large propagation length of 4 mm with low modal propagation loss of 1 dB/mm with subwavelength mode confinement 0.00079/ μm² is obtained.

Citation Download Citation

Tarun Sharma, Anuj Sharma, and Mukesh Kumar "Grating based hybrid plasmonic waveguide for subwavelength optical confinement with low loss", Proc. SPIE 9884, Nanophotonics VI, 98842A (19 April 2016); https://doi.org/10.1117/12.2225892

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