Advantage of probabilistic non-Gaussian operations in the distillation of single mode squeezed vacuum state
arXiv:2312.03320 · doi:10.1088/1402-4896/ad6ae4
Abstract
We consider the distillation of squeezing in single mode squeezed vacuum state using three different probabilistic non-Gaussian operations: photon subtraction (PS), photon addition (PA) and photon catalysis (PC). To accomplish this, we consider a practical model to implement these non-Gaussian operations and derive the Wigner characteristic function of the resulting non-Gaussian states. Our result shows that while PS and PC operations can distill squeezing, PA operations cannot. Furthermore, we delve into the success probabilities associated with these non-Gaussian operations and identify optimal parameters for the distillation of squeezing. Our current analysis holds significant relevance for experimental endeavors concerned with squeezing distillation.
arXiv comment8 pages, 7 figures; Comments are most welcome!
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