Energy relaxation in CdSe/ZnSe quantum dots under the strong exciton‐phonon coupling regime

А. В. Платонов; T. Kießling; G. V. Astakhov; А. А. Максимов; A. V. Larionov; D. R. Yakovlev; T. Slobodskyy; S. Mahapatra; W. Ossau; G. Schmidt; Karl Brünner; M. Bayer; L. W. Molenkamp

doi:10.1002/pssc.200564743

JOURNAL ARTICLE

Energy relaxation in CdSe/ZnSe quantum dots under the strong exciton‐phonon coupling regime

А. В. Платонов T. Kießling G. V. Astakhov А. А. Максимов A. V. Larionov D. R. Yakovlev T. Slobodskyy S. Mahapatra W. Ossau G. Schmidt Karl Brünner M. Bayer L. W. Molenkamp

Year: 2006 Journal: Physica status solidi. C, Conferences and critical reviews/Physica status solidi. C, Current topics in solid state physics Vol: 3 (4)Pages: 924-927 Publisher: Wiley

DOI: 10.1002/pssc.200564743

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Abstract

Abstract Resonant photoluminescence and photoluminescence excitation spectroscopy have been applied to CdSe/ZnSe quantumdots where separation between the quantized levels is close to the optical phonon energy. Astrong relaxation enhancement induced by the optical phonon is observed. The fine structure of the phonon replicas is resolved. It is attributed to the optical phonons with large wave vectors from the symmetrical points of the Brillouin zone. (© 2006 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim)

Keywords:

Phonon Photoluminescence Brillouin zone Condensed matter physics Relaxation (psychology) Exciton Coupling (piping) Spectroscopy Excitation Photoluminescence excitation Quantum dot Materials science Physics Optoelectronics Quantum mechanics

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Semiconductor Quantum Structures and Devices

Physical Sciences → Physics and Astronomy → Atomic and Molecular Physics, and Optics

Semiconductor Lasers and Optical Devices

Physical Sciences → Engineering → Electrical and Electronic Engineering

Photonic and Optical Devices

Physical Sciences → Engineering → Electrical and Electronic Engineering

Energy relaxation in CdSe/ZnSe quantum dots under the strong exciton‐phonon coupling regime

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