Observation of an inter-Landau level quantum coherence in semiconductor quantum wells

Using three-pulse four-wave-mixing femtosecond spectroscopy, we excite a nonradiative coherence between the discrete Landau levels of an undoped quantum well and study its dynamics. We observe quantum beats that reflect the time evolution of the coherence between the two lowest Landau level magnetoe...

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Veröffentlicht in:	Physical review. B, Condensed matter and materials physics Condensed matter and materials physics, 2008-07, Vol.78 (4), Article 041301
Hauptverfasser:	Dani, K. M., Cotoros, I. A., Wang, J., Tignon, J., Chemla, D. S., Kavousanaki, E. G., Perakis, I. E.
Format:	Artikel
Sprache:	eng
Schlagworte:	Condensed Matter Other Physics
Online-Zugang:	Volltext
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