# Entanglement and visibility at the output of a Mach-Zehnder interferometer

@article{Paris1999EntanglementAV, title={Entanglement and visibility at the output of a Mach-Zehnder interferometer}, author={Matteo G. A. Paris}, journal={Physical Review A}, year={1999}, volume={59}, pages={1615-1621} }

We study the entanglement between the two beams exiting a Mach-Zehnder interferometer fed by a couple of squeezed-coherent states with arbitrary squeezing parameter. The quantum correlations at the output are functions of the internal phase shift of the interferometer, with the output state ranging from a totally disentangled state to a state whose degree of entanglement is an increasing function of the input squeezing parameter. A couple of squeezed vacuums at the input lead to maximum…

## 66 Citations

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