Zero-phonon linewidth and phonon satellites in the optical absorption of nanowire-based quantum dots

Details Zero-phonon linewidth and phonon satellites in the optical absorption of nanowire-based quantum dots Zero-phonon linewidth and phonon satellites in the optical absorption of nanowire-based quantum dots

2007-03-02

arxiv.org/abs/cond-mat/0703067v2

Physical Review Letters 99, 087401 (2007)

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

final version, to appear in Physical Review Letters (4 pages with 4 figures included, minor changes with respect to first vers

Scientific paper

10.1103/PhysRevLett.99.087401

The optical properties of quantum dots embedded in a catalytically grown semiconductor nanowire are studied theoretically. In comparison to dots in a bulk environment, the excitonic absorption is strongly modified by the one-dimensional character of the nanowire phonon spectrum. In addition to pronounced satellite peaks due to phonon-assisted absorption, we find a finite width of the zero-phonon line already in the lowest-order calculation.

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