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Journal of Low Temperature Physics

New Optical Field Generated by Partial Tracing Over Two-Mode Squeezing–Rotating Entangled Vacuum State $$^{{*}}$$ ∗

Gang Ren, Jian-ming Du, Wen‐Hai Zhang

Published Feb 6, 2018• 2 citations
Publisher
DOI
10.1007/s10909-018-1868-5

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New Optical Field Generated by Partial Tracing Over Two-Mode Squeezing–Rotating Entangled Vacuum State ∗^{{*}}∗ ∗
Evolution of the vacuum fluctuations in the two-wave mixing of the optical fields propagating in a birefringent fiber is studied. The two-wave mixing in the birefringent fiber was suggested as a possible scheme for the entangled-state generation. Our treatment in studying the entangled-state generation uses depleted pump approximation and enables one to trace the influence of the input conditions of classical optical fields on the evolution of vacuum squeezing. We report the periodical modulation of the vacuum squeezing when the input relative phase of coherent waves varies. The measure of nonclassical correlations imposed on the generated light is calculated.