The spin relaxation within the radiative doublet of the exciton ground state in InAs/GaAs quantum dots is studied via ultrafast spectral hole burning spectroscopy. A biexcitonic resonance emerges due to relaxation of the exciton spin.
E. TsitsishviliR. v. BaltzH. Kalt
Hideki GotohHidehiko KamadaHiroaki AndoJiro Temmyo
A. ReznitskyA. A. KlochikhinS. PermogorovL.N. TenishevK. MironenkoE. TsitsishviliR. v. BaltzH. KaltC. Klingshirn