Squeezing and EPR correlations in divide-by-3 self-phase-locked optical parametric oscillators
Zheng Z. Lin Q. Zondy J.-J.
August 2021The Optical Society
Journal of the Optical Society of America B: Optical Physics
2021#38Issue 82399 - 2408 pp.
We analyze the dynamics, two-mode squeezing as well as Einstein–Podolsky–Rozen (EPR) correlations of the signal–idler beams in a cavity with two resonant cascaded nonlinear crystals. The subharmonic system is trifurcated and self-phase-locked, and enables the existence of stable steady bright-beam/dark-beam solutions, leading to different properties of squeezing and EPR correlations. Compared with conventional nondegenerate optical parametric oscillators, our results can be helpful to quantum information processing as well metrology.
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Zhejiang Provincial Key Laboratory of Quantum Precision Measurement, College of Science, Zhejiang University of Technology, Hangzhou, 310023, China
Physics Department, School of Sciences and Humanities, Nazarbayev University, Nur-Sultan, 010000, Kazakhstan
Zhejiang Provincial Key Laboratory of Quantum Precision Measurement
Physics Department
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