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Conferences > ACP > 2009 > ThBB > ThBB3

Enhanced Spontaneous Emission of Electric Dipole by Nano-optical Antenna

H. Gao, K. Li, F. M. Kong, H. Xie, and J. Zhao

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Abstract

Characteristics of gold nano optical antennas in 500–900 nm are studied by FDTD method. Huge confined electric field and 4500-fold Purcell factor enhancement are obtained by surface plasmons. We find nano-ellipsoids with L/R=4 is best to enhance spontaneous emission and piecewise linearity lies between our particle length and resonant wavelength.

© 2009 OSA, IEEE Photonics Society, SPIE, COS, CIC

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