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Three-photon excitation of quantum dots with a telecom-band ultrafast fiber laser

被引：0
|
作者：
M. J. Petrasiunas
J. B. O. Wood
D. Kielpinski
E. W. Streed
机构：
[1] Griffith University,Centre for Quantum Dynamics
来源：
Applied Physics B | 2014年 / 117卷
关键词：
Fiber Laser; Excitation Intensity; Energy Level Structure; Bleaching Rate; Linear Excitation;
D O I：
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中图分类号：
学科分类号：
摘要：
We demonstrate three-photon excitation in quantum dots with a mode-locked fiber laser operating in the telecommunications band. We compare spectra and intensity dependence of fluorescence from one- and three-photon excitation of commercially available 640-nm quantum dots, using a 372-nm diode laser for one-photon excitation and 116-fs pulses from a mode-locked fiber laser with a center wavelength of 1,575 nm for three-photon excitation.
引用
收藏
页码：1035 / 1039
页数：4
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