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quant-ph2005
Entanglement evaluation of non-Gaussian states generated by photon subtraction from squeezed states
Akira Kitagawa, Masahiro Takeoka, Masahide Sasaki +1
We consider the problem of evaluating the entanglement of non-Gaussian mixed states generated by photon subtraction from entangled squeezed states. The entanglement measures we use…
quant-ph2005
Effective squeezing enhancement via measurement-induced non-Gaussian operation and its application to dense coding scheme
Akira Kitagawa, Masahiro Takeoka, Kentaro Wakui +1
We study the measurement-induced non-Gaussian operation on the single- and two-mode \textit{Gaussian} squeezed vacuum states with beam splitters and on-off type photon detectors, w…