Quantum limited measurements with optical frequency combs

Jian, Pu; Pinel, Olivier; Schmeissner, Roman; Lamine, Brahim; Fabre, Claude; Treps, Nicolas

doi:10.1109/cleoe-iqec.2013.6801755

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Pulsed Probe Laser1

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2018

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“…Indeed, quantum-limited measurements with a femtosecond pulsed laser have been reported [71,72] and their scaling yields…”

Section: Pulsed Probe Lasermentioning

confidence: 99%

Vacuum birefringence detection in all-optical scenarios

Ataman

2018

Phys. Rev. A

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In this paper we propose an all-optical vacuum birefringence experiment and evaluate its feasibility for various scenarios. Many petawatt-class lasers became operational and many more are expected to enter operation in the near future, therefore unprecedented electromagnetic fields (EL ∼ 10 14 − 10 15 V/m and intensities IL ∼ 10 21 −10 23 W/cm 2 ) will become available for experiments. In our proposal a petawatt-class laser disturbs the quantum vacuum and creates a delay in a counter-propagating probe laser beam. Placing this delayed beam in one arm of a Mach-Zehnder interferometer (MZI), allows the measurement of the vacuum refraction coefficient via a phase shift. Coherent as well as squeezed light are both considered and the minimum phase sensitivity evaluated. We show that using existing technology and with some moderately optimistic assumptions, at least part of the discussed scenarios are feasible for a vacuum birefringence detection experiment.

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“…Indeed, quantum-limited measurements with a femtosecond pulsed laser have been reported [71,72] and their scaling yields…”

Section: Pulsed Probe Lasermentioning

confidence: 99%