Two-mode photon-added entangled coherent states and their entanglement properties

Abstract

An entangled quantum state is considered by applying a local photon excitation to each mode of an entangled coherent state. The entanglement property is investigated in terms of the entropy of entanglement. It is shown that applying a photon addition can improve the amount of entanglement. It is also examined that in a specific region of parameters, the state $|{\psi }_1^{-}(\alpha ,m,n)⟩$ is least entangled when photon excitation is minimum. We study the statistical properties of such states by employing the quasi-probability functions.

8 pages, 4 figures

References in corpus (3)

• Cluster-type entangled coherent states
• Entangled photon added coherent states
• Two-mode excited entangled coherent states and their entanglement properties