Broad-band local field enhancement of a 2D nano-cavity

Xiao-xing Su; Feng Liu; Juan Liu; Shui-sheng Jian

doi:10.1117/12.742852

19 November 2007 Broad-band local field enhancement of a 2D nano-cavity

Xiao-xing Su, Feng Liu, Juan Liu, Shui-sheng Jian

Proceedings Volume 6782, Optoelectronic Materials and Devices II; 678211 (2007) https://doi.org/10.1117/12.742852
Event: Asia-Pacific Optical Communications, 2007, Wuhan, China

Abstract

We investigate the local field enhancement properties of a 2D nano-cavity by using finite-difference time-domain (FDTD) method. The 2D nano-cavity is built by two pieces of silver slabs with periodical subwavelength corrugations on their inner boundaries. Numerical simulation result shows that the 2D nano-cavity can confine and enhance light field within the region smaller than the diffraction limit in a relatively broad range of wavelength. The result is useful for the research and development of new kinds of broadband optical sources used in WDM optical communication networks or micro-optical sensor system.

Citation Download Citation

Xiao-xing Su, Feng Liu, Juan Liu, and Shui-sheng Jian "Broad-band local field enhancement of a 2D nano-cavity", Proc. SPIE 6782, Optoelectronic Materials and Devices II, 678211 (19 November 2007); https://doi.org/10.1117/12.742852

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