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KFM: Fachverband Kristalline Festkörper und deren Mikrostruktur
KFM 1: Whispering Gallery Mode Resonators I
KFM 1.8: Vortrag
Montag, 12. März 2018, 12:30–12:50, EMH 025
Generation of non-classical light in a nonlinear crystalline whispering gallery mode resonator — •Alexander Otterpohl1,2, Florian Sedlmeir1,2, Thomas Dirmeier1,2, Ulrich Vogl1,2, Gerhard Schunk1,2, Golnoush Shafiee1,2, Dmitry Strekalov1,2, Harald G. L. Schwefel3, Tobias Gehring4, Ulrik L. Andersen4, Gerd Leuchs1,2, and Christoph Marquardt1,2 — 1Max Planck Institute for the Science of Light, Staudtstr. 2, 91058 Erlangen, Germany — 2Institute of Optics, Information and Photonics, University Erlangen-Nürnberg, Staudtstr. 7 B2, 91058 Erlangen, Germany — 3The Dodd-Walls Centre for Photonic and Quantum Technologies, Department of Physics, University of Otago, 730 Cumberland Street, 9016 Dunedin, New Zealand — 4Department of Physics, Technical University of Denmark, Fysikvej, 2800 Kgs. Lyngby, Denmark
Macroscopic crystalline whispering gallery mode resonators (WGMR) made out of LiNbO3 are a versatile source of non-classical light generated via optical parametric down-conversion [1]. This is a process where one photon is split into two photons called signal and idler. Both photons are correlated due to energy conservation, which affects the statistical fluctuations in certain measurements. We report how non-classical light can be efficiently generated and present the prospects of possible applications within the field of optomechanics [2].
[1] J. U. Fürst et al., Phys. Rev. Lett. 106, 113901 (2011).
[2] V. Peano et al., Phys. Rev. Lett. 115, 243603(2015).