Two-Color Pump-Probe Measurement of Photonic Quantum Correlations Mediated by a Single Phonon

Anderson, Mitchell D. and Tarrago Velez, Santiago and Seibold, Kilian and Flayac, Hugo and Savona, Vincenzo and Sangouard, Nicolas and Galland, Christophe. (2018) Two-Color Pump-Probe Measurement of Photonic Quantum Correlations Mediated by a Single Phonon. Physical Review Letters, 120. p. 233601.

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We propose and demonstrate a versatile technique to measure the lifetime of the one-phonon Fock state using two-color pump-probe Raman scattering and spectrally resolved, time-correlated photon counting. Following pulsed laser excitation, the n=1 phonon Fock state is probabilistically prepared by projective measurement of a single Stokes photon. The detection of an anti-Stokes photon generated by a second, time-delayed laser pulse probes the phonon population with subpicosecond time resolution. We observe strongly nonclassical Stokes–anti-Stokes correlations, whose decay maps the single phonon dynamics. Our scheme can be applied to any Raman-active vibrational mode. It can be modified to measure the lifetime of n≥1 Fock states or the phonon quantum coherences through the preparation and detection of two-mode entangled vibrational states.
Faculties and Departments:05 Faculty of Science > Departement Physik > Former Organization Units Physics > Quantum Physics (Sangouard)
UniBasel Contributors:Sangouard, Nicolas
Item Type:Article, refereed
Article Subtype:Research Article
Publisher:American Physical Society
Note:Publication type according to Uni Basel Research Database: Journal article
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Last Modified:16 Oct 2019 13:29
Deposited On:11 Oct 2019 12:26

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