Direct observation of a transition of a surface plasmon resonance from a photonic crystal effect

Weili Zhang; Abul Kalam Azad; Jiaguang Han; Jingzhou Xu; Jian Chen; X. C. Zhang

doi:10.1103/PhysRevLett.98.183901

Direct observation of a transition of a surface plasmon resonance from a photonic crystal effect

Weili Zhang
, Abul Kalam Azad
, Jiaguang Han
, Jingzhou Xu
, Jian Chen
, X. C. Zhang

Research output: Contribution to journal › Article › peer-review

85 Scopus citations

Abstract

Transition of surface-plasmon resonance from out-of-plane photonic crystal effect is observed in a semiconductor array of subwavelength holes by optical pump-terahertz probe measurements. The dielectric properties of the photoexcited array are essentially altered by the intense optical excitation due to photogenerated free carriers. As a result, the array becomes metallic and favors the coupling and propagation of surface plasmons. The photoinduced resonant extremes agree well with the Fano model.

Original language	English
Article number	183901
Journal	Physical Review Letters
Volume	98
Issue number	18
DOIs	https://doi.org/10.1103/PhysRevLett.98.183901
State	Published - May 1 2007
Externally published	Yes

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10.1103/PhysRevLett.98.183901

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title = "Direct observation of a transition of a surface plasmon resonance from a photonic crystal effect",

abstract = "Transition of surface-plasmon resonance from out-of-plane photonic crystal effect is observed in a semiconductor array of subwavelength holes by optical pump-terahertz probe measurements. The dielectric properties of the photoexcited array are essentially altered by the intense optical excitation due to photogenerated free carriers. As a result, the array becomes metallic and favors the coupling and propagation of surface plasmons. The photoinduced resonant extremes agree well with the Fano model.",

author = "Weili Zhang and Azad, \{Abul Kalam\} and Jiaguang Han and Jingzhou Xu and Jian Chen and Zhang, \{X. C.\}",

year = "2007",

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AU - Zhang, Weili

AU - Azad, Abul Kalam

AU - Han, Jiaguang

AU - Xu, Jingzhou

AU - Chen, Jian

AU - Zhang, X. C.

PY - 2007/5/1

Y1 - 2007/5/1

N2 - Transition of surface-plasmon resonance from out-of-plane photonic crystal effect is observed in a semiconductor array of subwavelength holes by optical pump-terahertz probe measurements. The dielectric properties of the photoexcited array are essentially altered by the intense optical excitation due to photogenerated free carriers. As a result, the array becomes metallic and favors the coupling and propagation of surface plasmons. The photoinduced resonant extremes agree well with the Fano model.

AB - Transition of surface-plasmon resonance from out-of-plane photonic crystal effect is observed in a semiconductor array of subwavelength holes by optical pump-terahertz probe measurements. The dielectric properties of the photoexcited array are essentially altered by the intense optical excitation due to photogenerated free carriers. As a result, the array becomes metallic and favors the coupling and propagation of surface plasmons. The photoinduced resonant extremes agree well with the Fano model.

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U2 - 10.1103/PhysRevLett.98.183901

DO - 10.1103/PhysRevLett.98.183901

M3 - Article

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VL - 98

JO - Physical Review Letters

JF - Physical Review Letters

IS - 18

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ER -

Direct observation of a transition of a surface plasmon resonance from a photonic crystal effect

Abstract

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