Giant enhancement of a Fano-type resonance in a gain-assisted silicon slab array

doi:10.1088/1674-1056/22/4/044209

Abstract Giant resonance enhancement is demonstrated to be due to the Fano interference in a grating waveguide composed of gain-assisted silicon slabs. The Fano mode is characterized by its ultra-narrow asymmetric spectrum, different from that of a pure electric or magnetic dipole. The simulation indicates that a sharp Fano-interfered lineshape is responsible for the giant resonance enhancement featuring the small-gain requirements.

Keywords: giant resonance photonic materials gain amplification

Received: 21 August 2012
Revised: 23 October 2012
Accepted manuscript online:

PACS:	42.70.Qs	(Photonic bandgap materials)
	42.60.Lh	(Efficiency, stability, gain, and other operational parameters)
	42.50.Gy	(Effects of atomic coherence on propagation, absorption, and Amplification of light; electromagnetically induced transparency and Absorption)

Fund: Project supported by the National Natural Science Foundation of China (Grant Nos. 10904012, 11004026, 11004030, 11074034, and 11174051) and the National Basic Research Program of China (Grant No. 2010CB923404).

Corresponding Authors: Dong Zheng-Gao
E-mail: zgdong@seu.edu.cn

Cite this article:

Dong Zheng-Gao (董正高), Li Jia-Qi (李家奇), Shao Jian (邵健), Yu Xiao-Qiang (喻小强), Wang Yu-Kun (王昱坤), Zhai Ya (翟亚) Giant enhancement of a Fano-type resonance in a gain-assisted silicon slab array 2013 Chin. Phys. B 22 044209

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Giant enhancement of a Fano-type resonance in a gain-assisted silicon slab array

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