Gain-assisted superluminal light propagation
WebMay 11, 2001 · Summary form only given. We use gain-assisted linear anomalous dispersion to demonstrate superluminal light pulse propagation with a negative group velocity through a transparent atomic medium. We place two Raman gain peaks closely to obtain an essentially lossless anomalous dispersion region that results in a … WebMar 2, 2024 · Superluminal and ultraslow probe light without absorption can be obtained via manipulating the pump laser on- and off-resonant with the exciton frequency under different parameters regimes, respectively, of which the magnitude is larger than that in a carbon nanotube resonator.
Gain-assisted superluminal light propagation
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WebHere we use gain-assisted linear anomalous dispersion to demonstrate superluminal light propagation in atomic caesium gas. The group velocity of a laser pulse in this … WebMar 5, 2024 · Moreover, a switching between the absorption-assisted superluminal and the gain-assisted superluminal EIT window happens for ϕ 0 = π. Note that the GFF attenuates during its propagation in the ...
WebJul 20, 2000 · For nearly two decades, physicists have been sending certain light pulses faster than c over short distances (so-called superluminal propagation), but the light pulses have always been... WebFeb 4, 2009 · Gain-assisted superluminal light propagation appears in this system. No laser field is used in the pumping processes. Discover the world's research. 20+ million …
Webgain-assisted superluminal light propagation due to the cross-Kerr nonlinearity is established in cavity optomechanical system with a Bose-Einstein condensate. Such behavior can not appear in the pump-probe two-level atomic systems in the normal phase. We also find that the amplification WebJan 12, 2016 · Then, the gain-assisted superluminal light propagation due to the cross-Kerr nonlinearity is established in cavity optomechanical system with a Bose-Einstein …
WebJul 20, 2000 · Here we use gain-assisted linear anomalous dispersion to demonstrate superluminal light propagation in atomic caesium gas. The group velocity of a laser …
Web2 B. Macke and B. S´egard: Comment on “Gain-assisted superluminal light propagation...” In order to evidence that the existence of a minimum of the intensity transmission does not entail superluminal propagation we have determined the corresponding group delay τg(ω) = d dωϕ(ω) in all the cases considered in [9]. creare immagine di sistema windows 11WebApr 23, 2024 · Superluminal propagation in a poly-chromatically driven gain assisted four-level N-type atomic system To cite this article: Bakht Amin Bacha et al 2013 Phys. Scr. 88 045402 View the article online for updates and enhancements. Related content Gain assisted multiple surperluminal regions via a Kerr nonlinearity in a double lambda-type … creare immagine del sistema windows 10WebMay 1, 2024 · 1. Introduction. Superluminal light propagation in various contexts, e.g., at a group or phase velocity exceeding c, the light speed in vacuum, or even at negative … creare immagine di copertinaWebAug 1, 2000 · We use gain-assisted linear anomalous dispersion to demonstrate superluminal light pulse propagation with a negative … malagutti erminioWebSep 28, 2011 · Download PDF Abstract: In this work we consider a possible conceptual similarity between recent, amazing OPERA experiment of the superluminal propagation of neutrino and experiment of the gain-assisted superluminal light propagation realized about ten years ago. Last experiment refers on the propagation of the light, precisely … creare incontro con meetWebApr 12, 2024 · It is the split-step Fourier propagation method, which is carried out by adjusting the amplitude and width of the initial pulse. ... J. Propagation of ultrashort light pulses in fibers with saturable nonlinearity in the normal-dispersion region. J. Opt. Soc. Am. ... Hang, C.; Huang, G.X. Gain-assisted high-dimensional self-trapped laser beams ... creare immagini in movimentoWebJun 21, 2001 · correction: Gain-assisted superluminal light propagation Authors: L. J. Wang A. Kuzmich Arthur Dogariu Princeton University Content uploaded by Arthur Dogariu Author content Content may be... malaguti phantom f12 suono