| Issue |
Europhys. Lett.
Volume 68, Number 5, December 2004
|
|
|---|---|---|
| Page(s) | 740 - 745 | |
| Section | Condensed matter: electronic structure, electrical, magnetic, and optical properties | |
| DOI | https://doi.org/10.1209/epl/i2004-10264-8 | |
| Published online | 05 November 2004 | |
Laser emission of low-threshold excitation
from 
nanowires
Beijing National Lab for Condensed Matter Physics Institute of Physics, CAS - Beijing 100080, PRC
Received:
8
June
2004
Accepted:
12
October
2004
We prepared nanowires with a controlled reaction in an
asymmetrical tube, the nanowire is composed with aligned
QDs packing in the same crystal axis. An anomalous giant
oscillator strength was observed in the absorption spectra of the
nanowire sol at room temperature. This sol shows stimulated
emission at the excitation of a CW 
-
laser up to
an excitation power of more than one hundred.
PACS: 78.67.Lt – Quantum wires / 71.36.+c – Polaritons (including photon-phonon and photon-magnon interactions) / 78.45.+h – Stimulated emission
© EDP Sciences, 2004
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