Resonant optical reflection by a periodic system of the quantum well excitons at the second quantum state
Applied Physics Letters2011Vol. 98(7)
Citations Over TimeTop 15% of 2011 papers
Abstract
A periodic multiple quantum well GaAs/AlGaAs structure was designed, grown, and characterized in order to reveal resonant features in optical spectra when the Bragg resonance was tuned to the second quantum state x(e2-hh2) of the heavy-hole exciton-polaritons in the multiple quantum wells. This double resonance was demonstrated by tuning the incident angle of the light as well as by comparison with a single quantum well structure. A significant enhancement of the light-matter interaction was observed, which manifests itself by strong resonant optical reflection and electroreflection.
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