Crossover from exciton to biexciton polaritons in semiconductor microcavities

SABA, MICHELE;QUOCHI, FRANCESCO;BONGIOVANNI, GIOVANNI LUIGI CARLO;MURA, ANTONIO ANDREA
2000-01-01

Abstract

Pump-probe measurements in a microcavity containing a quantum well show that a population of circularly polarized (sigma(+)) excitons can completely inhibit the transition to sigma(-) one-exciton states by transferring the oscillator strength to the biexcitonic resonance. With increasing pump intensity the linear exciton-polariton doublet evolves into a triplet polariton structure and finally into a shifted biexciton-polariton doublet. A theoretical model of interacting excitons demonstrates that the crossover from exciton to biexciton polaritons is driven by three-exciton Coulomb correlation.
2000
PHYSICAL REVIEW LETTERS
85
2
385
388
4
WOS:000088048700040
Sì, ma tipo non specificato
Saba, Michele; Quochi, Francesco; Ciuti, C; Oesterle, U; Staehli, Jl; Deveaud, B; Bongiovanni, GIOVANNI LUIGI CARLO; Mura, ANTONIO ANDREA
1.1 Articolo in rivista
info:eu-repo/semantics/article
1 Contributo su Rivista::1.1 Articolo in rivista
262
8
none
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