First Demonstration of 6 dB Quantum Noise Reduction in a Kilometer Scale Gravitational Wave Observatory

Photon shot noise, arising from the quantum-mechanical nature of the light, currently limits the sensitivity of all the gravitational wave observatories at frequencies above one kilohertz. We report a successful application of squeezed vacuum states of light at the GEO 600 observatory and demonstrat...

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Veröffentlicht in:	Physical review letters 2021-01, Vol.126 (4), p.041102-041102, Article 041102
Hauptverfasser:	Lough, James, Schreiber, Emil, Bergamin, Fabio, Grote, Hartmut, Mehmet, Moritz, Vahlbruch, Henning, Affeldt, Christoph, Brinkmann, Marc, Bisht, Aparna, Kringel, Volker, Lück, Harald, Mukund, Nikhil, Nadji, Severin, Sorazu, Borja, Strain, Kenneth, Weinert, Michael, Danzmann, Karsten
Format:	Artikel
Sprache:	eng
Schlagworte:	Backscattering Beams (radiation) Compressing Detectors Gravitation Gravitational waves Light sources Noise levels Noise propagation Noise reduction Observatories Robust control Shot noise
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