Universal optical amplification without nonlinearity
arXiv:quant-ph/0603119 · doi:10.1103/PhysRevLett.96.163602
Abstract
We propose and experimentally realize a new scheme for universal phase-insensitive optical amplification. The presented scheme relies only on linear optics and homodyne detection, thus circumventing the need for nonlinear interaction between a pump field and the signal field. The amplifier demonstrates near optimal quantum noise limited performance for a wide range of amplification factors.
5 pages, 4 figures
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