phase-insensitive optical amplifier

Demonstration of a reversible phase-insensitive optical amplifier
FREE-DOWNLOAD J Yoshikawa, Y Miwa, R Filip… – Physical Review A, 2011
We experimentally demonstrate phase-insensitive linear amplification of a continuous variable
system in the optical regime, preserving the ancilla system at the output. Since our amplification
operation is unitary up to small excess noise, it is reversible beyond the classical limit.