0302147v1

related topics
{state, states, coherent}
{state, states, entangled}
{bell, inequality, local}
{equation, function, exp}
{classical, space, random}
{time, decoherence, evolution}
{light, field, probe}
{time, wave, function}
{photon, photons, single}
{energy, gaussian, time}
{state, algorithm, problem}

Nonlocality of Two-Mode Squeezing with Internal Noise

Sonja Daffer, Krzysztof Wodkiewicz, John K. McIver

abstract: We examine the quantum states produced through parametric amplification with internal quantum noise. The internal diffusion arises by coupling both modes of light to a reservoir for the duration of the interaction time. The Wigner function for the diffused two-mode squeezed state is calculated. The nonlocality, separability, and purity of these quantum states of light are discussed. In addition, we conclude by studying the nonlocality of two other continuous variable states: the Werner state and the phase-diffused state for two light modes.

oai_identifier:
oai:arXiv.org:quant-ph/0302147
categories:
quant-ph
comments:
7 pages, 5 figures, submitted to PRA
doi:
10.1103/PhysRevA.68.012104
arxiv_id:
quant-ph/0302147
journal_ref:
Phys. Rev. A 68, 012104 (2003)
created:
2003-02-19

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