Acoustic phonon generation and detection in GaAs/Al_{0.3}Ga_{0.7}As quantum wells with picosecond laser pulses


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Please use this identifier to cite or link to this item:http://hdl.handle.net/2115/14636

Title:	Acoustic phonon generation and detection in GaAs/Al_{0.3}Ga_{0.7}As quantum wells with picosecond laser pulses
Authors:	Matsuda, O. Browse this author →KAKEN DB
	Tachizaki, T. Browse this author
	Fukui, T. Browse this author
	Baumberg, J. J. Browse this author
	Wright, O. B. Browse this author
Issue Date:	2005
Publisher:	American Physical Society
Journal Title:	Physical Review B
Volume:	71
Issue:	11
Start Page:	115330
Publisher DOI:	10.1103/PhysRevB.71.115330
Abstract:	Picosecond acoustic-phonon pulse generation and detection is investigated in a sample containing three GaAs/Al0.3Ga0.7As quantum wells of different thickness with an interferometric optical pump and probe technique. The pump photon energy is tuned through the hh1-e1 transitions of each well and the probe photon energy is chosen to allow the detection of the phonon pulses at the sample surface. The phonon pulse shapes are explained with a model that relates the carrier wave functions to the acoustic strain, and the acoustic strain to the detected optical reflectance and phase changes.
Rights:	Copyright © 2005 American Physical Society
Relation:	http://prb.aps.org/
Type:	article
URI:	http://hdl.handle.net/2115/14636
Appears in Collections:	工学院・工学研究院 (Graduate School of Engineering / Faculty of Engineering) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 松田理

OAI-PMH ( junii2 , jpcoar_1.0 )

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