Evidence for Confined Tamm Plasmon Modes under Metallic Microdisks and Application to the Control of Spontaneous Optical Emission

2011/12/09 by Olivier Gazzano, O. Gazzano, Steffen Michaelis de Vasconcellos +9 · 1 citation
Physics and Astronomy · Engineering · #Photonic Crystals and Applications #Photonic and Optical Devices #Plasmonic and Surface Plasmon Research

paper · doi:10.1103/physrevlett.107.247402

Abstract

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.

Citations

• Inhibited Spontaneous Emission in Solid-State Physics and Electronics
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