Physics – Condensed Matter – Mesoscale and Nanoscale Physics
Scientific paper
2010-10-20
Physics
Condensed Matter
Mesoscale and Nanoscale Physics
4 pages, 4 figures
Scientific paper
Periodic incorporation of quantum wells inside a one--dimensional Bragg structure is shown to enhance coherent coupling of excitons to the electromagnetic Bloch waves. We demonstrate strong coupling of quantum well excitons to photonic crystal Bragg modes at the edge of the photonic bandgap, which gives rise to mixed Bragg polariton eigenstates. The resulting Bragg polariton branches are in good agreement with the theory and allow demonstration of Bragg polariton parametric amplification.
Askitopoulos Alexis
Baumberg Jeremy J.
Christmann Gabriel
Hatzopoulos Zacharias
Iorsh Ivan
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