Conditional Generation Scheme for Entangled Vacuum Evacuated Coherent States by Mixing Two Coherent Beams with a Squeezed Vacuum State
Abstract
Conditions to generate high-purity entangled vacuum-evacuated coherent states (|0>|α>0 - |-α>0 |0> were studied for two cascade-placed beam splitters, with one squeezed state input and two coherent state inputs whenever a single photon is detected. Controlling the amplitudes and the phases of the beams allows for various amplitudes of the vacuum-evacuated coherent states (|α> 0 = |α> -e-|α|2 |0> ) up to α = 2.160 to be manipulated with high-purity.
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