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Bragg scattering induces Fano resonance in photonic crystals |
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| Authors: | M.V. Rybin A.B. Khanikaev M. Inoue A.K. Samusev M.J. Steel G. Yushin M.F. Limonov |
| Affiliation: | 1. Ioffe Physical-Technical Institute of the Russian Academy of Sciences, St. Petersburg 194021, Russia;2. Toyohashi University of Technology, Toyohashi, Aichi 441-8580, Japan;3. MQ Photonics Research Centre, CUDOS and Department of Physics, Macquarie University, NSW 2109, Australia;4. Georgia Institute of Technology, School of Materials Science and Engineering, Atlanta, GA 30332-0245, USA |
| Abstract: | We present a study of a Fano resonance between a narrow Bragg band and disorder-induced continuum in photonic crystals where the continuum is either of the broad band Fabry-Pérot scattering in an imperfect one-dimensional photonic crystal or Mie scattering in an imperfect three-dimensional photonic crystal. Our experimental studies of synthetic opals have demonstrated how the Fano resonance may lead to a transmission spectrum exhibiting a Bragg dip with an asymmetric profile or a Bragg rise. |
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