Exciton polaritons in two-dimensional photonic crystals
arXiv:0907.2813 · doi:10.1103/PhysRevB.80.201308
Abstract
Experimental evidence of strong coupling between excitons confined in a quantum well and the photonic modes of a two-dimensional dielectric lattice is reported. Both resonant scattering and photoluminescence spectra at low temperature show the anticrossing of the polariton branches, fingerprint of strong coupling regime. The experiments are successfully interpreted in terms of a quantum theory of exciton-photon coupling in the investigated structure. These results show that the polariton dispersion can be tailored by properly varying the photonic crystal lattice parameter, which opens the possibility to obtain the generation of entangled photon pairs through polariton stimulated scattering.
5 pages, 4 figures
References in corpus (5)
- Observation of Superfluidity of Polaritons in Semiconductor Microcavities
- Quantum-fluid dynamics of microcavity polaritons
- Quantum theory of exciton-photon coupling in photonic crystal slabs with embedded quantum wells
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- Theory of photonic crystal polaritons in periodically patterned multilayer waveguides
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- Theory of exciton-polariton condensation in gap-confined eigenmodes
- Mode-locked GaN waveguide polariton laser
- Polariton condensation in photonic crystals with high molecular orientation
- Exciton-polaritons in GaAsbased slab waveguide photonic crystals
- Engineering strong coupling in ultra-compact photonic crystal/2D material platforms