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Title
Japanese: 
English:Temperature dependence of four-wave-mixing spectra in ZnO thin films on sapphire substrates grown with laser MBE 
Author
Japanese: 牧野 哲征, Tuan N. T., 瀬川 勇三朗, Chia Chin Hau, 大友 明, 川崎 雅司, 鯉沼 秀臣.  
English: T. Makino, N. T. Tuan, Y. Segawa, C. H. Chia, A. Ohtomo, M. Kawasaki, H. Koinuma.  
Language English 
Journal/Book name
Japanese: 
English:Journal of Luminescence 
Volume, Number, Page Vol. 87-9        pp. 210-212
Published date May 2000 
Publisher
Japanese: 
English: 
Conference name
Japanese: 
English: 
Conference site
Japanese: 
English: 
Official URL <Go to ISI>://000086818000047
 
DOI https://doi.org/10.1016/S0022-2313(99)00264-1
Abstract We investigated the optical nonlinearity around the excitonic resonance region of ZnO thin films with thickness of about 200 nm grown with laser molecular beam epitaxy (MBE) method by using four-wave-mixing (FWM) spectroscopy. It is found that the FWM signal can be confirmed in the temperature range (10-294 R) and that its spectra significantly depends on polarization of exciting pulses. It is suggested, through the dependence, that the induced annihilation of a two-photon coherent state of biexcitons plays a negligibly small role in the FWM spectra compared with the excitonic population-grating effect.

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