Start Reading Plasmons: 2-dim Evidence for Confined Tamm Plasmon Modes under Metallic Microdisks and Application to the Control of
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Evidence for Confined Tamm Plasmon Modes under Metallic Microdisks and Application to the Control of
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12

Dec

2011

Phys. Rev. Lett. 107, 247402 (2011) [5 pages]

O. Gazzano1, S. Michaelis de Vasconcellos1, K. Gauthron1, C. Symonds2, J. Bloch1, P. Voisin1, J. Bellessa2, A. Lemaître1, and P. Senellart1,*
1Laboratoire de Photonique et de Nanostructures, LPN/CNRS, Route de Nozay, 91460 Marcoussis, France
2Laboratoire de Physique de la Matière Condensée et Nanostructures, Université Lyon 1, CNRS-UMR 5586, 43 Bd du 11 Novembre 1918, 69622 Villeurbanne Cedex, France

Received 10 June 2011; published 9 December 2011

We demonstrate strong confinement of the optical field by depositing a micron sized metallic disk on a planar distributed Bragg reflector. Confined Tamm plasmon modes are evidenced both experimentally and theoretically, with a lateral confinement limited to the disk area and strong coupling to TE polarized fields. Single quantum dots controllably coupled to these modes are shown to experience acceleration of their spontaneous emission when spectrally resonant with the mode. For quantum dots spectrally detuned from the confined Tamm plasmon mode, an inhibition of spontaneous emission by a factor 40±4 is observed, a record value in the optical domain.
  		 

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