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15 papers · 2 filters
Phase noise measurement of external cavity diode lasers and implications for optomechanical sideband cooling of GHz mechanical modes
Tobias J. Kippenberg, Albert Schliesser, Michael Gorodetsky
Cavity opto-mechanical cooling via radiation pressure dynamical backaction enables ground state cooling of mechanical oscillators, provided the laser exhibits sufficiently low phas…
Three-dimensional Quantum Polarization Tomography of Macroscopic Bell States
Bhaskar Kanseri, Timur Iskhakov, Ivan Agafonov +2
The polarization properties of macroscopic Bell states are characterized using three-dimensional quantum polarization tomography. This method utilizes three-dimensional inverse Rad…
Self-calibrating Tomography for Angular Schmidt Modes in Spontaneous Parametric Down-Conversion
Stanislav Straupe, Denis Ivanov, Alexander Kalinkin +3
We report an experimental self-calibrating tomography scheme for entanglement characterization in high-dimensional quantum systems using Schmidt decomposition techniques. The self-…
Polarization-Entangled Light Pulses of 10^5 Photons
Timur Sh. Iskhakov, Ivan N. Agafonov, Maria V. Chekhova +1
We experimentally demonstrate polarization entanglement for squeezed vacuum pulses containing more than 10^5 photons. We also study photon-number entanglement by calculating the Sc…
Large-time evolution of electron in photon bath
Kirill Kazakov, Vladimir Nikitin
The problem of infrared divergence of the effective electromagnetic field produced by elementary charges is revisited using the model of an electron freely evolving in a photon bat…
A gravitational wave observatory operating beyond the quantum shot-noise limit: Squeezed light in application
The LIGO Scientific Collaboration
Around the globe several observatories are seeking the first direct detection of gravitational waves (GWs). These waves are predicted by Einstein's General Theory of Relativity [Ei…