Engineered nonlinear photonic quasicrystals for multi-frequency terahertz manipulation | Zendy

Yi-qiang Qin | Zendy; Chao Zhang | Zendy; Ding Zhu | Zendy; Yongyuan Zhu | Zendy; Hongchen Guo | Zendy; Guanjun You | Zendy; Sing-Hai Tang | Zendy

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Engineered nonlinear photonic quasicrystals for multi-frequency terahertz manipulation

Author(s) -

Yi-qiang Qin,

Chao Zhang,

Ding Zhu,

Yongyuan Zhu,

Hongchen Guo,

Guanjun You,

Sing-Hai Tang

Publication year - 2009

Publication title -

optics express

Language(s) - Uncategorized

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/oe.17.011558

Subject(s) - terahertz radiation , quasiperiodic function , fibonacci number , quasicrystal , superlattice , optics , photonic crystal , photonics , terahertz spectroscopy and technology , physics , electromagnetic radiation , fourier transform , terahertz gap , materials science , optoelectronics , condensed matter physics , far infrared laser , terahertz metamaterials , mathematics , discrete mathematics , quantum mechanics , laser

The interactions between electromagnetic wave and photonic quasicrystals are investigated. A terahertz (THz) source with multi-frequency modes in an optical LiTaO(3) superlattice produced by quasiperiodic (Fibonacci) domain-inverted ferroelectric material is demonstrated experimentally. Using the canonical pump-probe experimental technique, THz radiations in both forward and backward propagations are in-situ detected simultaneously. Four pronounced THz frequencies at 1.18, 0.78, 0.59 and 0.37 THz in Fourier transform spectrum are observed. The physical properties of THz waves inside quasiperiodic superlattice are discussed.

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