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|Title:||Engineered nonlinear photonic quasicrystals for multi-frequency terahertz manipulation||Authors:||Qin, Y.
|Keywords:||(190.4400) Nonlinear optics
(320.7120) Ultrafast phenomena
(50.4238) Nanophotonics and photonic crystals
|Issue Date:||6-Jul-2009||Citation:||Qin, Y., Zhang, C., Zhu, D., Zhu, Y., Guo, H., You, G., Tang, S. (2009-07-06). Engineered nonlinear photonic quasicrystals for multi-frequency terahertz manipulation. Optics Express 17 (14) : 11558-11564. ScholarBank@NUS Repository. https://doi.org/10.1364/OE.17.011558||Abstract:||The interactions between electromagnetic wave and photonic quasicrystals are investigated. A terahertz (THz) source with multifrequency modes in an optical LiTaO3 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. © 2008 Optical Society of America.||Source Title:||Optics Express||URI:||http://scholarbank.nus.edu.sg/handle/10635/82281||ISSN:||10944087||DOI:||10.1364/OE.17.011558|
|Appears in Collections:||Staff Publications|
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