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15 papers · 2 filters
Stable optical spring in aLIGO detector with unbalanced arms and in Michelson-Sagnac interferometer
Nikita Vostrosablin, Sergey Vyatchanin
Optical rigidity in aLIGO gravitational-wave detector, operated on dark port regime, is unstable. We show that the same interferometer with excluded symmetric mechanical mode but w…
Photon correlations for colloidal nanocrystals and their clusters
O. A. Shcherbina, G. A. Shcherbina, M. Manceau +7
Images of semiconductor `dot in rods' and their small clusters are studied by measuring the second-order correlation function with a spatially resolving ICCD camera. This measureme…
Separable Schmidt modes of a non-separable state
Alessio Avella, Marco Gramegna, Alexander Shurupov +3
Two-photon states entangled in continuous variables such as wavevector or frequency represent a powerful resource for quantum information protocols in higher-dimensional Hilbert sp…
The efficiency of quantum tomography based on photon detection
Yu. I. Bogdanov, S. P. Kulik
We propose a general methodology for efficient statistical reconstruction of a quantum state through collection and analysis of photon counting statistics. Our approach includes bo…
Time from quantum entanglement: an experimental illustration
Ekaterina Moreva, Giorgio Brida, Marco Gramegna +3
In the last years several theoretical papers discussed if time can be an emergent property deriving from quantum correlations. Here, to provide an insight into how this phenomenon…
Enhancing the sensitivity of the LIGO gravitational wave detector by using squeezed states of light
The LIGO Scientific Collaboration
Nearly a century after Einstein first predicted the existence of gravitational waves, a global network of earth-based gravitational wave observatories is seeking to directly detect…