Phase Control of Transient Optical Properties of Double Coupled Quantum-Dot Nanostructure via Gaussian Laser Beams  

作　　者：J.Shiri F.Shahi M.R.Mehmannavaz L.Shahrassai 

机构地区：[1]Young Researchers and Elite Club,Tabriz Branch,Islamic Azad University [2]Department of Atomic and Molecular Physics,University of Tabriz [3]Young Researchers and Elite Club,Mashhad Branch,Islamic Azad University

出　　处：《Chinese Physics Letters》2018年第2期29-33,共5页中国物理快报（英文版）

摘　　要：We theoretically analyze the transient properties of a probe field absorption and dispersion in a coupled semiconductor double-quantum-dot nanostructure.We show that in the presence of the Gaussian laser beams,absorption and dispersion of the probe field can be dramatically influenced by the relative phase between applied fields and intensity of the Gaussian laser beams.Transient and steady-state behaviors of the probe field absorption and dispersion are discussed to estimate the required switching time.The estimated range is between 5-8 ps for subluminal to superluminal light propagation.We theoretically analyze the transient properties of a probe field absorption and dispersion in a coupled semiconductor double-quantum-dot nanostructure.We show that in the presence of the Gaussian laser beams,absorption and dispersion of the probe field can be dramatically influenced by the relative phase between applied fields and intensity of the Gaussian laser beams.Transient and steady-state behaviors of the probe field absorption and dispersion are discussed to estimate the required switching time.The estimated range is between 5-8 ps for subluminal to superluminal light propagation.

关 键 词：Phase Control of Transient Optical Properties of Double Coupled Quantum-Dot Nanostructure via Gaussian Laser Beams QDs 

分 类 号：O471.1[理学—半导体物理]