Coherent control of the optical absorption in a plasmonic lattice coupled to a luminescent layer

G. Pirruccio, M. Ramezani, S.R.K. Rodriguez, J. Gómez Rivas

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54 Citations (Scopus)
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Abstract

We experimentally demonstrate the coherent control, i.e., phase-dependent enhancement and suppression, of the optical absorption in an array of metallic nanoantennas covered by a thin luminescent layer. The coherent control is achieved by using two collinear, counterpropagating, and phase-controlled incident waves with wavelength matching the absorption spectrum of dye molecules coupled to the array. Symmetry arguments shed light on the relation between the relative phase of the incident waves and the excitation efficiency of the optical resonances of the system. This coherent control is associated with a phase-dependent distribution of the electromagnetic near fields in the structure which enables a significant reduction of the unwanted dissipation in the metallic structures.
Original languageEnglish
Article number103002
Pages (from-to)1-6
JournalPhysical Review Letters
Volume116
Issue number10
DOIs
Publication statusPublished - 9 Mar 2016

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