Regensburg 2016 – wissenschaftliches Programm

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O: Fachverband Oberflächenphysik

O 2: Plasmonics and Nanooptics I: Light-Matter Interaction

O 2.1: Hauptvortrag

Montag, 7. März 2016, 10:30–11:00, S054

Hybrid plasmonic-photonic resonances for emitter control — •Femius Koenderink — Center for Nanophotonics, FOM Institute AMOLF, Amsterdam, The Netherlands

Plasmonic nanostructures match light to molecular length scales by hybridizing photons with charge density oscillations in noble metals. Plasmonics is pursued for many prospective uses ranging from sensing, spectroscopy, and microscopy, to the development of ultrabright single photon sources and broadband cavity QED for quantum information processing. I will report on our effort to use plasmonics to completely control when, into which direction, and with what polarization and wavefront single nanosources emit. I will particularly focus on Fourier-space polarimetry on single nano-antenna structures, as well as distributed periodic and quasiperiodic plasmonic structures for directional fluorescent, and lasing sources. Also, I will discuss the surprising physics of hybridizing plasmonics and dielectric nanophotonics. Recently we showed that, counter to conventional cavity perturbation theory, plasmonic structures can improve the quality factor of an already high-Q (exceeding 1 million) microtoroid. Finally, I will argue that hybrid plasmon-cavity structures can combine cavity Q-factors with plasmonic mode volumes.