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A current challenge and trend in optical sciences is to extend the toolbox generated from experiments with single emitters and single photons towards interfacing photons with a well-defined number of quantum emitters. The resulting complex optical network would enable studies of many-body quantum optical phenomena and could lend itself to quantum simulations. However, common light-matter interfaces...
Organic dye molecules have been used in great many scientific and technological applications. Among these, the polycyclic aromatic hydrocarbons (PAH) behave very favourably as quantum emitters when embedded in organic crystals at temperatures below 4K. PAHs can serve as solid-state emitters with remarkable optical properties such as near-unity quantum efficiency and high photostability. However, transitions...
We demonstrate how a plasmonic nanoantenna can act as tunable resonant material that enhances third harmonic generation. We are able to quantitatively model the nonlinear spectrum with a nonlinear oscillator in position, shape, and amplitude.
We study third harmonic generation from arrays of plasmonic nanoantennas. Specifically, we investigate the size, gap, and material dependence of the conversion efficiency and find it to be a function of the plasmon resonance energies.
We present time-resolved nonlinear optical measurements on polaritonic states in metallic photonic crystals. The femtosecond time dynamics of the polariton are tailored by an interferometric three-pulse pump-probe technique.
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