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Proceedings Paper

Multi-photon excitation in ZnO material by femtosecond pulses
Author(s): Zhi-Wei Dong; Chun-Feng Zhang; Kang-Jun Liu; Yong-Li Yan; Shi-Xiong Qian
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Paper Abstract

Multi-photon excitation in ZnO material by femtosecond (fs) laser pulses around 800 nm was clearly observed. Under the intense field generated by fs pulses, two-photon absorption process was found very efficient in the excitation of the band edge emission from ZnO material under detuning condition. Nonlinear optical effects, such as Stark effect and Rabi effect, that may emerge under intense field are suggested to be responsible for this efficient excitation via two-photon absorption process. We consider that this NLO route to generate photoluminescence in ZnO material is meaningful in the research of blue-violet semiconductor laser field.

Paper Details

Date Published: 7 February 2008
PDF: 6 pages
Proc. SPIE 6839, Nonlinear Optics: Technologies and Applications, 68390H (7 February 2008); doi: 10.1117/12.754655
Show Author Affiliations
Zhi-Wei Dong, Fudan Univ. (China)
Chun-Feng Zhang, Fudan Univ. (China)
Kang-Jun Liu, Fudan Univ. (China)
Yong-Li Yan, Fudan Univ. (China)
Shi-Xiong Qian, Fudan Univ. (China)

Published in SPIE Proceedings Vol. 6839:
Nonlinear Optics: Technologies and Applications
Yiping Cui; Qihuang Gong; Yuen-Ron Shen, Editor(s)

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