Title :
Ultrafast near-field spectroscopy of correlated exciton states in single quantum dots
Author :
Unold, T. ; Muller, K. ; Gunther, T. ; Lienau, C.
Author_Institution :
Max-Born-Inst. fur Nichtlineare Optik und Kurzzeitspektroskopie, Berlin, Germany
Abstract :
We present the first femtosecond study of the coherent nonlinear optical response of single and correlated excitonic levels in single quantum dots. We find an enhanced dephasing rate of the biexcitonic polarization.
Keywords :
biexcitons; high-speed optical techniques; nonlinear optics; semiconductor quantum dots; biexcitonic polarization; coherent nonlinear optical response; correlated exciton states; near-field spectroscopy; quantum dots; ultrafast spectroscopy; Excitons; Nonlinear optics; Optical pumping; Probes; Quantum dots; Reflectivity; Resonance; Spectroscopy; US Department of Transportation; Ultrafast optics;
Conference_Titel :
Quantum Electronics and Laser Science, 2003. QELS. Postconference Digest
Conference_Location :
Baltimore, MD, USA
Print_ISBN :
1-55752-749-0
DOI :
10.1109/QELS.2003.238628
