Multi-photon excitation in ZnO material by femtosecond pulses

Zhi-Wei Dong; Chun-Feng Zhang; Kang-Jun Liu; Yong-Li Yan; Shi-Xiong Qian

doi:10.1117/12.754655

7 February 2008 Multi-photon excitation in ZnO material by femtosecond pulses

Zhi-Wei Dong, Chun-Feng Zhang, Kang-Jun Liu, Yong-Li Yan, Shi-Xiong Qian

Proceedings Volume 6839, Nonlinear Optics: Technologies and Applications; 68390H (2008) https://doi.org/10.1117/12.754655
Event: Photonics Asia 2007, 2007, Beijing, China

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.

Citation Download Citation

Zhi-Wei Dong, Chun-Feng Zhang, Kang-Jun Liu, Yong-Li Yan, and Shi-Xiong Qian "Multi-photon excitation in ZnO material by femtosecond pulses", Proc. SPIE 6839, Nonlinear Optics: Technologies and Applications, 68390H (7 February 2008); https://doi.org/10.1117/12.754655

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