Chin. Phys. B ›› 2013, Vol. 22 ›› Issue (4): 44209-044209.doi: 10.1088/1674-1056/22/4/044209

• ELECTROMAGNETISM, OPTICS, ACOUSTICS, HEAT TRANSFER, CLASSICAL MECHANICS, AND FLUID DYNAMICS • 上一篇    下一篇

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

董正高, 李家奇, 邵健, 喻小强, 王昱坤, 翟亚   

  1. Physics Department, Southeast University, Nanjing 211189, China
  • 收稿日期:2012-08-21 修回日期:2012-10-23 出版日期:2013-03-01 发布日期:2013-03-01
  • 基金资助:
    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).

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

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)   

  1. Physics Department, Southeast University, Nanjing 211189, China
  • Received:2012-08-21 Revised:2012-10-23 Online:2013-03-01 Published:2013-03-01
  • Contact: Dong Zheng-Gao E-mail:zgdong@seu.edu.cn
  • Supported by:
    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).

摘要: 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.

关键词: giant resonance, photonic materials, gain, amplification

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.

Key words: giant resonance, photonic materials, gain, amplification

中图分类号:  (Photonic bandgap materials)

  • 42.70.Qs
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)