Effects of mismatched transmissions on two-mode squeezing and EPR correlations with a slow light medium

Details Effects of mismatched transmissions on two-mode squeezing and EPR correlations with a slow light medium Effects of mismatched transmissions on two-mode squeezing and EPR correlations with a slow light medium

2005-04-21

arxiv.org/abs/quant-ph/0504164v2

Physics

Quantum Physics

7 pages, 4 figures

Scientific paper

10.1103/PhysRevA.72.023822

We theoretically discuss the preservation of squeezing and continuous variable entanglement of two mode squeezed light when the two modes are subjected to unequal transmission. One of the modes is transmitted through a slow light medium while the other is sent through an optical fiber of unit transmission. Balanced homodyne detection is used to check the presence of squeezing. It is found that loss of squeezing occurs when the mismatch in the transmission of the two modes is greater than 40% while near ideal squeezing is preserved when the transmissions are equal. We also discuss the effect of this loss on continuous variable entanglement using strong and weak EPR criteria and possible applications for this experimental scheme.

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