飞秒光谱分辨非线性光谱学:硅量子点的研究

2014 Conference on Optoelectronic and Microelectronic Materials & Devices Pub Date : 2014-12-01 DOI:10.1109/COMMAD.2014.7038670

Vuong Van Cuong, N. Hung, K. B. Dinh, L. Dao

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引用次数: 0

摘要

本文报道了利用飞秒光谱分辨双色三脉冲非线性光谱研究Si量子点中的载流子弛豫。应用三阶极化理论对耦合双能级系统进行了数值模拟。光学声子辅助跃迁导致热载流子的快速衰减(20 fs)。

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Femtosecond spectrally resolved nonlinear spectroscopy: Study of Si quantum dots

We report on the use of femtosecond spectrally resolved two colour three-pulse nonlinear spectroscopy to study the carrier relaxation in Si quantum dots. The third-order polarization for a coupled two-level system is applied for theoretical simulations. The optical phonon-assisted transition leads to a fast decay (20 fs) of hot carriers.

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2014 Conference on Optoelectronic and Microelectronic Materials & Devices

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