Exploring two-dimensional electron gases with two-dimensional Fourier transform spectroscopy

The dephasing of the Fermi edge singularity excitations in two modulation doped single quantum wells of 12 nm and 18 nm thickness and in-well carrier concentration of ∼4 × 10(11) cm(-2) was carefully measured using spectrally resolved four-wave mixing (FWM) and two-dimensional Fourier transform (2DF...

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Veröffentlicht in:	The Journal of chemical physics 2014-10, Vol.141 (13), p.134505-134505
Hauptverfasser:	Paul, J, Dey, P, Tokumoto, T, Reno, J L, Hilton, D J, Karaiskaj, D
Format:	Artikel
Sprache:	eng
Schlagworte:	Carrier density Coherence dephasing doping Four-wave mixing Fourier transforms NANOSCIENCE AND NANOTECHNOLOGY polarization Quantum phenomena Quantum wells Spectra Spectroscopy Spectrum analysis Temperature dependence
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