Selective excitation of zone-folded phonon modes within one triplet in a semiconductor superlattice

被引：6

作者：

Heinecke, D. C. ^{[1
,2
]}

Kliebisch, O. ^{[1
,2
]}

Flock, J. ^{[1
,2
]}

Bruchhausen, A. ^{[3
,4
]}

Koehler, K. ^{[5
]}

Dekorsy, T. ^{[1
,2
]}

机构：

[1] Univ Konstanz, Ctr Appl Photon, D-78457 Constance, Germany

[2] Univ Konstanz, Dept Phys, D-78457 Constance, Germany

[3] Consejo Nacl Invest Cient & Tecn, Inst Balseiro, RA-1033 Buenos Aires, DF, Argentina

[4] Consejo Nacl Invest Cient & Tecn, Ctr Atom Bariloche, CNEA, RA-1033 Buenos Aires, DF, Argentina

[5] Fraunhofer Inst Appl Solid State Phys, D-79108 Freiburg, Germany

来源：

PHYSICAL REVIEW B | 2013年 / 87卷 / 07期

关键词：

ACOUSTIC PHONONS; COHERENT CONTROL; PULSE-TRAIN; GENERATION; WAVES;

D O I：

10.1103/PhysRevB.87.075307

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The selective optical excitation of coherent zone-folded acoustic phonon modes in a semiconductor superlattice is demonstrated. By using a time-delayed control pulse, we show the modification of phonon amplitudes within a phonon triplet and demonstrate that the phase relation of phonon modes can be mapped over time delays of several tens of picoseconds. This method with high spectral resolution has the potential to tailor specific amplitudes of phonon modes that are otherwise only collectively excited. DOI: 10.1103/PhysRevB.87.075307

引用

页数：4

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