The effects of local density of states to Purcell factor in Surface plasmon polaritons

Author

Han, Qingyao ; Tang, Junchao ; Zhang, Chao ; Jiao, Rongzhen

Author_Institution

Sch. of Sci., Beijing Univ. of Posts & Telecommun., Beijing, China

fYear

2011

fDate

26-28 July 2011

Firstpage

6105

Lastpage

6107

Abstract

Surface plasmon polaritons is a kind of electromagnetic oscillation coupled with the undulation of charge intensity, which is excited at the interface between metal and dielectric. With the properties of near-field enhancement and short wavelength, surface plasmon polaritons play an important role in nano photonics. We use an unambiguous definition to represent the local density of electromagnetic states(LDOS) near the interface of metallic surfaces, which has relationship with Purcell factor. We then calculate LDOS and Purcell factor at different heights above a semi-infinite sample of various metallic materials and have the conclusion that Ag is more suitable for designing Single photon sources.

Keywords

electronic density of states; nanophotonics; polaritons; surface electromagnetic waves; surface plasmon resonance; Purcell factor; charge intensity; electromagnetic oscillation; local density-of-electromagnetic states; metal-dielectric interface; nanophotonics; near-field enhancement; single photon sources; surface plasmon polaritons; Electromagnetics; Materials; Optical surface waves; Photonics; Plasmons; Surface waves; Purcell factor; component; local density of states; surface plasmon polaritons;

fLanguage

English

Publisher

ieee

Conference_Titel

Multimedia Technology (ICMT), 2011 International Conference on

Conference_Location

Hangzhou

Print_ISBN

978-1-61284-771-9

Type

conf

DOI

10.1109/ICMT.2011.6002666

Filename

6002666