Coherence of Excitons in Quantum Wells

✍ Scribed by Le Jeune, P. ;Marie, X. ;Amand, T. ;Brousseau, M. ;Barrau, J.

• Publisher: John Wiley and Sons
• Year: 1997
• Tongue: English
• Weight: 232 KB
• Volume: 164
• Category: Article
• ISSN: 0031-8965
• DOI: 10.1002/1521-396x(199711)164:1<527::aid-pssa527>3.0.co;2-l

✦ Synopsis

vortoire de hysique de l wti ere gondens eeD gxEsxeD evenue de ngueilD pEQIHUU oulouse g edexD prne @eeived eptemer SD IWWUA e investigte two spets of exiton oherene in quntum wellsX pirstD the optil oherene is deteted from the timeEresolved emission following n exittion sequene of twoEpolrised pulsesF e demonstrte tht oherent ontrol of exiton spin n thus e hievedD nd mesure the exiE ton optil dephsing timeF eondD quntum oherene of exiton spin sttes is investigted under oneEpulse resonnt exittionF ixitoni spin quntum ets re then oserved under trnsverse mgneti fieldD in reltively nrrow quntum wellsX the reking of the eletron±hole exhnge inE tertion due to the hole single prtile spin flip is demonstrtedF he eletron±hole exhnge enE ergy nd eletron trnsverse gEftor re urtely mesuredF