Materials, Photonic Devices, and Sensors

Nanoscale light confinement and nonlinearity of hybrid plasmonic waveguide with a metal cap

[+] Author Affiliations
Kai Li, Maojin Yun, Mei Wang, Xingxing Wu, Chao Liu, Weijin Kong, Shu Chen

Qingdao University, College of Physics Science, 308 Ningxia Road, Qingdao 266071, China

Qingdao University, Key Laboratory of Photonics Materials and Technology in Universities of Shandong, 308 Ningxia Road, Qingdao 266071, China

Lifeng Dong

Taishan Medical University, Department of Chemical Engineering, 619 Changcheng Road, Taian 271016, China

Hamline University, Department of Physics, 1536 Hewitt Avenue Saint Paul, Minnesota 55104, United States

Opt. Eng. 54(10), 107101 (Oct 07, 2015). doi:10.1117/1.OE.54.10.107101
History: Received June 8, 2015; Accepted September 14, 2015
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Abstract.  A nonlinear hybrid plasmonic waveguide (HPW) with a metal cap on a nonlinear material-on-insulator rib is proposed. By using a finite-difference time-domain method, its light confinement and effective nonlinearity coefficient of the Kerr effect for all-optical switches are analyzed in detail. Numerical simulations illustrate that the nonlinear HPW structure has nanoscale confinement and high effective nonlinearity coefficient at the wavelength of 1550 nm. Consequently, the HPW can be used in all-optical signal processing of integrated photonics.

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© 2015 Society of Photo-Optical Instrumentation Engineers

Citation

Kai Li ; Maojin Yun ; Mei Wang ; Xingxing Wu ; Chao Liu, et al.
"Nanoscale light confinement and nonlinearity of hybrid plasmonic waveguide with a metal cap", Opt. Eng. 54(10), 107101 (Oct 07, 2015). ; http://dx.doi.org/10.1117/1.OE.54.10.107101


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