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pro vyhledávání: '"Monken, C"'
Autor:
Moura, A. G. da Costa, Monken, C. H.
We present analytic expressions for the coincidence detection probability amplitudes of photon pairs generated by spontaneous parametric down-conversion in both momentum and position spaces, without making use of the Gaussian approximation, and takin
Externí odkaz:
http://arxiv.org/abs/2403.04561
Publikováno v:
Phys. Rev. A 102, 033719 (2020)
The Photon wave function Formalism provides an alternative description of some quantum optical phenomena in a more intuitive way. We use this formalism to describe the process of correlated Stokes--anti-Stokes Raman scattering. In this process, two p
Externí odkaz:
http://arxiv.org/abs/2007.05357
Publikováno v:
Phys. Rev. B 102, 134304 (2020)
In the correlated Stokes--anti-Stokes scattering (SAS) an incident photon interacts with a Raman-active material, creating a Stokes photon and exciting a quantum vibrational mode in the medium, which is posteriorly annihilated on contact with a secon
Externí odkaz:
http://arxiv.org/abs/2006.07638
Autor:
Cardoso, A. C., Berruezo, L. P., Ávila, D. F., Lemos, G. B., Pimenta, W. M., Monken, C. H., Saldanha, P. L., Pádua, S.
Publikováno v:
Phys. Rev. A 97, 033827 (2018)
We obtained the phase and intensity images of an object by detecting classical light which never interacted with it. With a double passage of a pump and a signal laser beams through a nonlinear crystal, we observe interference between the two idler b
Externí odkaz:
http://arxiv.org/abs/1801.09101
Publikováno v:
Phys. Rev. A 95, 032117 (2017)
The dynamics of systems subjected to noise is called Markovian in the absence of memory effects, i.e. when its immediate future only depends on its present. Time correlations in the noise source may generate non-Markovian effects that, sometimes, can
Externí odkaz:
http://arxiv.org/abs/1701.06419
Autor:
Avetisyan, H., Monken, C. H.
Due to the transfer of the angular spectrum of the pump beam to the two-photon state in spontaneous parametric down-conversion the generated twin photons are entangled in Hermite-Gaussian (HG) modes. This enables one using HG modes as an alphabet for
Externí odkaz:
http://arxiv.org/abs/1607.05259
Autor:
Bernardes, Nadja K., Peterson, John P. S., Sarthour, Roberto S., Souza, Alexandre M., Monken, C. H., Roditi, Itzhak, Oliveira, Ivan S., Santos, Marcelo F.
Publikováno v:
Scientific Reports 6, 33945 (2016)
Memoryless time evolutions are ubiquitous in nature but often correspond to a resolution-induced approximation, i.e. there are correlations in time whose effects are undetectable. Recent advances in the dynamical control of small quantum systems prov
Externí odkaz:
http://arxiv.org/abs/1603.05667
Autor:
Bernardes, Nadja K., Cuevas, Alvaro, Orieux, Adeline, Monken, C. H., Mataloni, Paolo, Sciarrino, Fabio, Santos, Marcelo F.
Publikováno v:
Scientific Reports 5, 17520 (2015)
Non-Markovianity has recently attracted large interest due to significant advances in its characterization and its exploitation for quantum information processing. However, up to now, only non-Markovian regimes featuring environment to system backflo
Externí odkaz:
http://arxiv.org/abs/1504.01602
Akademický článek
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Publikováno v:
New J. Phys. 17, 053042 (2015)
In a recent work, Aharonov et al. suggested that a photon could be separated from its polarization in an experiment involving pre- and post-selection [New J. Phys 15, 113015 (2013)]. They named the effect 'quantum Cheshire Cat', in a reference to the
Externí odkaz:
http://arxiv.org/abs/1409.0808