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Second-Harmonic Generation in Thue-Morse Optical Superlattice |
LIU Xian-jie;WANG Zhen-lin;WU Jun;MIN Nai-ben |
National Laboratory of Solid State Microstructures, Nanjing University, and Center for Advanced Studies in Science and Technology of Microstructures, Nanjing 210093
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Cite this article: |
LIU Xian-jie, WANG Zhen-lin, WU Jun et al 1998 Chin. Phys. Lett. 15 426-428 |
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Abstract A Thue-Morse optical superlattice made from a single crystal with laminar ferroelectric domain structure was proposed to realize second-harmonic generation. Due to the singular continuous Fourier spectrum in Thue-Morse sequence, this structure shows more plentiful harmonic spectrum, and the intense peaks can be classified according to their different intensity distributions within the superlattice. The harmonic spectra in real space and reciprocal space are presented and discussed.
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Keywords:
42.65.Ky
42.70.Nq
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Published: 01 June 1998
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PACS: |
42.65.Ky
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(Frequency conversion; harmonic generation, including higher-order harmonic generation)
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42.70.Nq
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(Other nonlinear optical materials; photorefractive and semiconductor materials)
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