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SUMMARY:Enhanced optical squeezing and EPR-type entanglement with coherent time-delayed feedback
DESCRIPTION:Coherent time-delayed feedback has a potential to control the squeezing properties of a degenerate parametric amplifier (DPA) by shaping the stability landscape of the system. However, parametric down-conversion of the pump photons can be considered into two non-degenerate modes as well. The non-degenerate parametric amplifier (NDPA) is a good testbed for observing continuous variable, Einstein-Podolsky-Rosen-type entanglement, which can serve as the basis of continuous variable quantum computation. In this talk we show that similarly to the DPA case, the generalized two-mode squeezing of NDPA can also be controlled with time-delayed feedback. Moreover, the considered setup shows some potential for quantum-enhanced non-linear interferometry as well.
LOCATION:Erwin-Schödinger-Saal, IQOQI
DTSTART:20170918T130000
DTEND:20170918T140000
TZID: Europe/Vienna
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