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Fe II lifetimes and transition probabilities
R. Schnabel, M. Schultz-Johanning, M. Kock
Fe II radiative lifetimes were measured applying the time-resolved nonlinear laser-induced fluoresence technique. We investigated 21 levels of up to 47000 1/cm. The uncertainties a…
Continuous variable polarization entanglement, experiment and analysis
Warwick P. Bowen, Nicolas Treps, Roman Schnabel +2
We generate and characterise continuous variable polarization entanglement between two optical beams. We first produce quadrature entanglement, and by performing local operations w…
Squeezed-input, optical-spring, signal-recycled gravitational-wave detectors
Jan Harms, Yanbei Chen, Simon Chelkowski +4
We theoretically analyze the quantum noise of signal-recycled laser interferometric gravitational-wave detectors with additional input and output optics, namely frequency-dependent…