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Opt Express. 2013 May 20;21(10):12159-64. doi: 10.1364/OE.21.012159.

Fano resonance of nanoparticles embedded in Fabry-Perot cavities.

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School of Photoelectric Engineering, Changchun university of science and technology, Changchun 130022, China.


We present an optical structure, which consists of metal nanoparticles embedded in Fabry-Perot (F-P) cavity, to investigate the Fano resonance, which originates from the interaction between F-P mode and the plasmon modes supported by the nanoparticles. The coupling system is modeled theoretically by coupled-mode theory in time domain and the transmission properties are demonstrated numerically by the finite-difference time-domain method. The charge distribution features of the nanoparticle plasmon modes are further characterized by using boundary integral equation technology. Results show that the F-P modes can be used to active the optical inactive surface plasmon modes by breaking the mode symmetry.

[Indexed for MEDLINE]

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