2 papers
quant-ph2004
Partial deterministic non-demolition Bell measurement
Ladislav Mišta, Radim Filip
We propose the scheme implementing partial deterministic non-demolition Bell measurement. When it is used in quantum teleportation the information about an unknown input state is o…
quant-ph2002
Squeezing concentration for Gaussian states with unknown parameter
Radim Filip, Ladislav Mišta
A continuous-variable analog of the Deutsch's distillation protocol locally operating with two copies of the same Gaussian state is suggested. Irrespectively of the impossibility o…