Nanoscopic field distribution of surface plasmon polaritons in asymmetric metallic films

Haofei Shi; Changtao Wang; Chunlei Du; Junxian Ma; Hongtao Gao; Xiangang Luo; Xiaochun Dong; Haiying Li

doi:10.1117/12.616374

18 August 2005 Nanoscopic field distribution of surface plasmon polaritons in asymmetric metallic films

Haofei Shi, Changtao Wang, Chunlei Du, Junxian Ma, Hongtao Gao, Xiangang Luo, Xiaochun Dong, Haiying Li

Proceedings Volume 5928, Plasmonic Nano-imaging and Nanofabrication; 59280I (2005) https://doi.org/10.1117/12.616374
Event: Optics and Photonics 2005, 2005, San Diego, California, United States

Abstract

In this paper, we investigated the electric field profiles and phase distribution at the metal interfaces of the structure, and then analyzed their dependence on the groove depth and distance between slit and grooves though finite-difference time-domain (FDTD) simulation. Calculated results show that variant groove depth generates phase difference periodically, which indicates the existence of standing wave in the groove. The results also show that the phase of the emission at each groove is proportional to the distance travelled by the surface wave in one period. Based on these facts, a simple process of the transmission model is illuminated.

Citation Download Citation

Haofei Shi, Changtao Wang, Chunlei Du, Junxian Ma, Hongtao Gao, Xiangang Luo, Xiaochun Dong, and Haiying Li "Nanoscopic field distribution of surface plasmon polaritons in asymmetric metallic films", Proc. SPIE 5928, Plasmonic Nano-imaging and Nanofabrication, 59280I (18 August 2005); https://doi.org/10.1117/12.616374

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