Giant Rabi splitting in metal/semiconductor nanohybrids J. Bellessa , C. Symonds, J.C. Plenet, A. Lemaitre, K. Vinck, D. Felbacq Laboratoire de Physique de la Matière Condensée et Nanostructure, Lyon, France Laboratoire de Photonique et Nanostructures, Marcoussis, France Groupement d’Etude des Semiconducteurs, Montpellier, France
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Giant Rabi splitting in metal/semiconductor nanohybrids J. Bellessa, C. Symonds, J.C. Plenet, A. Lemaitre, K. Vinck, D. Felbacq Laboratoire de Physique.
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Giant Rabi splitting in metal/semiconductor
nanohybrids
J. Bellessa, C. Symonds, J.C. Plenet, A. Lemaitre, K. Vinck, D. Felbacq
Laboratoire de Physique de la Matière Condensée et Nanostructure, Lyon, FranceLaboratoire de Photonique et Nanostructures, Marcoussis, FranceGroupement d’Etude des Semiconducteurs, Montpellier, France
• Properties of surface plasmons• Description of surface plasmons• Plasmons in strong coupling
• Hybridisation localised plasmon/exciton• Localised plasmon in nanodisks• Nanodisks with organic semiconductor
• Particularities of the hybrid states• Inhomogeneous broadenings• Geometrical effects
• Conclusion
Outline
Surface plasmon
• Interface metal / dielectric material
• Damping in the metal
Dielectric
Metal
100nm
20nm
2D 0D nanoparticules1D plasmon guide
W. L. Barnes et al., Nature, 418, 306 (2002)
Properties of surface plasmons
Properties of surface plasmons
Delocalised plasmon in strong coupling
D.E. Gomez et al. Nano Lett. 10 274 (2010)
Strong interaction between plasmons and :
• Aggregated dyes
• Laser dyes such as Rhodamine 6G
• Semiconductor nanocrystals arrays : CdSe dots under a thin silver film
Rabi splitting of 112 meV
T.K. Hakala et al. PRL 103 053602 (2009)
J. Bellessa, C. Bonnand, J.C. Plenet, J. Mugnier., PRL 93, 36404 (2004)
Weak coupling : Luminescence enhancement with nanoantennas
Plasmon in strong coupling
J. Dintinger et al. Phys. Rev. B 71, 035424 (2005)
Plasmons in nanoshells
N. T. Fofang et al. Nanoletters 8 10 3481 (2008)
GOLD
Y. Sugawara et al. PRL 97, 266808 (2006)
Metallic nanostructures
Holes and voids in metallic structures
Properties of surface plasmons
Localised plasmons
• Discrete Plasmon resonance
• Distance between the disks 200nm• Low inhomogeneous broadening