Title :
Direct determination of exciton homogeneous and inhomogeneous linewidths in semiconductor quantum wells with two-dimensional fourier transform spectroscopy
Author :
Zhang, Tianhao ; Bristow, Alan D. ; Dai, Xingcan ; Kuznetsova, Irina ; Meier, Torsten ; Thomas, Peter ; Cundiff, Steven T.
Author_Institution :
Nat. Inst. of Stand. & Technol., Univ. of Colorado, Boulder, CO
Abstract :
Homogeneous and inhomogeneous broadening of heavy- and light-hole excitons in semiconductor quantum wells are measured along with the excitation dependence of both broadenings. Isolation of disorder-induced broadening is possible with spectra in different coherent pathways.
Keywords :
Fourier transform spectra; III-V semiconductors; aluminium compounds; excitons; gallium arsenide; semiconductor quantum wells; spectral line broadening; GaAs-Al0.3Ga0.7As; coherent pathway; disorder; exciton homogeneous linewidths; exciton inhomogeneous linewidths; heavy-hole excitons; light-hole excitons; semiconductor quantum wells; spectral line broadening; two-dimensional Fourier transform spectroscopy; Excitons; Fourier transforms; Nonlinear optics; Optical distortion; Optical mixing; Resonance; Semiconductor materials; Semiconductor nanostructures; Spectroscopy; Temperature; (300.6240) Coherent transient spectroscopy; (300.6470) Semiconductors spectroscopy;
Conference_Titel :
Lasers and Electro-Optics, 2008 and 2008 Conference on Quantum Electronics and Laser Science. CLEO/QELS 2008. Conference on
Conference_Location :
San Jose, CA
Print_ISBN :
978-1-55752-859-9
