Hamburg 2016 – wissenschaftliches Programm

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GR: Fachverband Gravitation und Relativitätstheorie

GR 16: Gravitational Waves

GR 16.3: Vortrag

Freitag, 4. März 2016, 09:25–09:45, VMP6 HS A

Next generation nonclassical light sources for gravitational-wave detectors — •Stefan Ast^1,2, Christoph Baune^1,2, Jan Gniesmer^1,2, Alexander Khalaidovski², Lisa Kleybolte^1,2, Moritz Mehmet², Axel Schönbeck^1,2, Fabian Thies^1,2, Henning Vahlbruch², Christina Vollmer², and Roman Schnabel^1,2 — ¹Institut für Laserphysik und Zentrum für Optische Quantentechnologien, Universität Hamburg, 22761 Hamburg, Deutschland — ²Max-Planck-Institut für Gravitationsphysik (Albert-Einstein-Institut) und Leibniz Universität Hannover, 30167 Hannover, Deutschland

A key technology in future gravitational-wave detectors will be the use of squeezed states of light to further enhance the sensitivity of these devices. The British-German gravitational-wave detector GEO 600 is the first of its kind to employ a squeezed light source in regular science mode. Its successful implementation marks a starting point for the further development of nonclassical light sources in GW detectors. I will review the newest developments in nonclassical and nonlinear light sources from the nonlinear quantum optics group. Thus, I will discuss high-efficiency second harmonic generation, doubly resonant squeezed light sources, the frequency up-conversion of squeezed light as well as the use of entangled light in gravitational-wave detection.