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4 papers · 2 filters
Multimode theory of measurement-induced non-Gaussian operation on wideband squeezed light
M. Sasaki, S. Suzuki
We present a multimode theory of non-Gaussian operation induced by an imperfect on/off-type photon detector on a splitted beam from a wideband squeezed light. The events are define…
Quantum Brachistochrone
Alberto Carlini, Akio Hosoya, Tatsuhiko Koike +1
We present a general framework for finding the time-optimal evolution and the optimal Hamiltonian for a quantum system with a given set of initial and final states. Our formulation…
Practical purification scheme for decohered coherent-state superpositions via partial homodyne detection
Shigenari Suzuki, Masahiro Takeoka, Masahide Sasaki +2
We present a simple protocol to purify a coherent-state superposition that has undergone a linear lossy channel. The scheme constitutes only a single beam splitter and a homodyne d…
Photon number squeezing of ultra-broadband laser pulses generated by microstructure fibers
K. Hirosawa, H. Furumochi, A. Tada +3
To the best of our knowledge, we demonstrate for the first time the generation of photon number squeezing by spectral filtering for ultra-broadband light generated by microstructur…