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Quantitative Study of Beam Splitter Generated Entanglement from Input States with Multiple Nonclassicality Inducing Operations (1611.06736v2)

Published 21 Nov 2016 in quant-ph

Abstract: Continuous variable Beam Splitter (BS) generated entanglement from single mode optical states generated by single nonclassicality (NC) inducing operation have been found of immense importance in several information processing tasks. There exists a broader class of optical states, generated from successive action of multiple different NC-inducing operations, which show many intriguing nonclassical properties; however the BS conversion of the NC for such states remains unexplored. In this work we have critically analyzed the BS generated entanglement from such nonclassical optical states at input. Here we present a scenario where BS output entanglement becomes non-monotonic with the input NC parameters, amenable experimentally (e.g. number of photon excitation and squeezing strength), in contrast with the previous results with states comprising of single NC- inducing operation. We explain this counter intuitive feature in terms of the competition between the NCs induced by specific type of NC-inducing operations.

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