Exciton dephasing in self-assembled CdSe quantum dots

被引：26
|
作者：
Palinginis, P [1 ]
Wang, HL
Goupalov, SV
Citrin, DS
Dobrowolska, M
Furdyna, JK
机构：
[1] Univ Oregon, Dept Phys, Eugene, OR 97403 USA
[2] Los Alamos Natl Lab, Div Theoret, Los Alamos, NM 87545 USA
[3] AF Ioffe Phys Tech Inst, St Petersburg 194021, Russia
[4] Georgia Inst Technol, Sch Elect & Comp Engn, Atlanta, GA 30332 USA
[5] Univ Notre Dame, Dept Phys, Notre Dame, IN 46556 USA
来源：
PHYSICAL REVIEW B | 2004年 / 70卷 / 07期
关键词：
D O I：
10.1103/PhysRevB.70.073302
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
We report experimental studies of exciton dephasing in self-assembled CdSe quantum dots using techniques based on spectral hole burning. The hole-burning response reveals directly in the spectral domain the zero-phonon-line (ZPL) as well as contributions from acoustic and LO-phonon assisted transitions. The observed strong coupling to acoustic phonons is in good agreement with theoretical expectation. The measured decoherence rate associated with the ZPL is as small as 3.5 mueV, comparable to that in self-assembled InGaAs quantum dots.
引用
收藏
页码：073302 / 1
页数：4
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