Optimal entanglement enhancing via conditional measurements
Jiru Liu, Yusef Maleki, and M. Suhail Zubairy
TL;DR
This paper proposes an optimal protocol for enhancing quantum entanglement in two-mode squeezed vacuum states using photon subtraction, catalysis, and addition, with analysis of different configurations to maximize entanglement.
Contribution
It introduces a comprehensive analysis of various conditional measurement setups to identify the optimal method for entanglement enhancement in TMSVS.
Findings
Identified optimal measurement setup for entanglement enhancement.
Demonstrated significant improvement in entanglement through the proposed protocol.
Provided guidelines for experimental implementation of entanglement boosting techniques.
Abstract
Enhancing quantum entanglement is important for many quantum information processing applications. In this paper, we consider a protocol for entanglement enhancing in a two-mode squeezed vacuum state (TMSVS), attained based on photon subtraction, photon catalysis, and photon addition. Central to such an operation is the task of mixing and detecting number states with each mode of TMSVS. We analyze various settings and find an optimal setup for improving the entanglement of the state.
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