آخرین محصولات
Squeezed Light and Entangled Images from Four-Wave …
We study the use of a nondegenerate four-wave mixing process in rubidium vapor at 795 nm to demonstrate generation of quantum-entangled images. …
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Strong relative intensity squeezing by four-wave mixing in rubidium …
We have measured −3.5 dB (−8.1 dB corrected for losses) relative intensity squeezing between probe and conjugate beams generated by stimulated, nondegenerate four-wave mixing in hot rubidium vapor. Unlike early observations of squeezing in atomic vapors based on saturation of a two-level system, our scheme uses a resonant nonlinearity …
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Multiple entangled modes out of a hot rubidium vapour
Non-degenerate forward four-wave mixing in hot atomic vapors has been shown to produce strong quantum correlations between twin beams of light [McCormick et al, Opt. Lett. 32, 178 (2007)], in a ...
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Compact diode-laser-pumped quantum light source based on …
Using a nondegenerate four-wave mixing process in hot rubidium vapor, we demonstrate a compact diode-laser-pumped system for the generation of intensity-difference squeezing down to 8 kHz with a ...
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Relative intensity squeezing by four-wave mixing with loss: …
in a rubidium-85 vapor, and demonstrate how the model can be used as a diagnostic tool to determine the limiting technical factors. 2. Relative intensity squeezing The "double-L" four-wave mixing scheme introduced by McCormick et al [1] uses a high-intensity "pump" beam to drive a cycle of four off-resonant transitions in a hot rubidium va-
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Generation of correlated biphoton via four-wave mixing
wave-mixing, second- and fourth-order uorescence signals coming from the four-level double-Λ electromagnetically induced transparency system of a hot 85 Rb atomic vapor. the biphoton temporal
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Nondegenerate four-wave mixing in a double-Lambda system …
A maximal efficiency for generating the NDFWM signal exists for a moderate pump power in this double-L system of Rb atomic vapor. Nondegenerate four-wave mixing (NDFWM) in a double-L system of Rb atomic vapor was achieved for collinear pump fields. By comparison of different pump-probe configurations, direct experimental evidence of …
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Generation of tripartite squeezed state by cascaded four-wave mixing …
The non-classical states of light are the benchmark tools in the field of quantum optics for exploring the fundamental problems of quantum physics [1–6] and emerging quantum technologies [5–14].Since the generation of squeezed light using four-wave mixing (FWM) in sodium vapor by Slusher et al [], many different proposals to …
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6ORZOLJKWYLDIRXU …
In this work, we report on an off-resonant four-wave mixing experiment via a ladder-type configuration in a hot rubidium atomic vapour. We find for the first time, to the best …
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Realization of low frequency and controllable-bandwidth …
We experimentally demonstrate the creation of two correlated beams generated by a nondegenerate four-wave-mixing amplifier at {lambda} = 795 nm in hot rubidium vapor. We achieve intensity difference squeezing at frequencies as low as 1.5 kHz which is so far the lowest frequency to observe squeezing in an atomic system.
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Quantum optical devices based on four-wave mixing in …
In this paper, we briefly review the recent experimental progresses in quantum optics based on four-wave mixing (FWM) processes in hot rubidium vapor, part Quantum optical devices based on four-wave mixing in hot rubidium vapor | SpringerLink
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Multi-Spatial-Mode Single-Beam Quadrature Squeezed States of …
Multi-Spatial-Mode Single-Beam Quadrature Squeezed States of Light from Four-Wave Mixing in Hot Rubidium Vapor. Published. October 24, 2011. Author(s) Neil V. Corzo Trejo, Alberto M. Marino, Kevin M. Jones, Paul D. Lett. Abstract
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(PDF) Quantum optical devices based on four-wave …
Quantum optical devices based on four-wave mixing in hot rubidium vapor Science China: Physics, Mechanics and Astronomy DOI: 10.1007/s11433-015-5644-0 …
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A compact diode-laser-pumped quantum light source based on …
U.S. Department of Energy Office of Scientific and Technical Information. Search terms: Advanced search options. ...
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Strong relative intensity squeezing by 4-wave mixing in …
Abstract: We have measured -6.3 dB of relative intensity squeezing at 795 nm, generated by stimulated, nondegenerate four-wave mixing in a hot rubidium vapor. …
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Strong relative intensity squeezing by 4-wave mixing in Rb vapor
We have measured -6.3 dB of relative intensity squeezing at 795 nm, generated by stimulated, nondegenerate four-wave mixing in a hot rubidium vapor. This scheme is of interest for experiments involving cold atoms or atomic ensembles.
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Han Seb MOON | Pusan National University, Busan | PNU
We investigate stimulated four-wave mixing (FWM) in the 6S1/2–6P3/2–8S1/2 open transition of a warm 133Cs atomic ensemble. ... We report on improved light storage efficiency in a hot rubidium ...
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arXiv:physics/0607254v1 [physics.optics] 27 Jul 2006
conjugate beams generated by stimulated, nondegenerate four-wave mixing in hot rubidium vapor. Unlike early observations of squeezing in atomic vapors based on saturation of a two-level system, our scheme uses a resonant nonlinearity based on ground-state coherences in a three-level system. Since this scheme produces
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Experimental generation of triple quantum correlated beams from
We report on our recent experimental results of generating triple quantum correlated beams by using cascaded four-wave mixing processes in hot rubidium vapor. The intensity-difference noise power of the triple beams is 6.5±0.3 dB below the shot noise level (SNL).
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Quantum optical devices based on four-wave mixing in hot rubidium …
In this paper, we briefly review the recent experimental progresses in quantum optics based on four-wave mixing (FWM) processes in hot rubidium vapor, particularly our two recent experiments in quantum information. We have experimentally produced strong quantum correlations between three bright beams generated by two cascaded FWM …
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Multi-spatial-mode single-beam quadrature squeezed states …
Multi-spatial-mode single-beam quadrature squeezed states of light from four-wave mixing in hot rubidium vapor Neil Corzo,1,2,∗ Alberto M. Marino,1 Kevin M. Jones,3 and Paul D. Lett1 1Joint Quantum Institute, National Institute of Standards and Technology and the University of Maryland, Gaithersburg, Maryland 20899 USA
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Experimental Generation of Quadruple Quantum Correlated …
Here we show that a four-wave mixing process based on a double-lambda scheme in hot (85)Rb vapour allows us to obtain an optically tunable delay for EPR entangled beams of light.
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Scalable generation of multiple quantum correlated beams from hot
We report on a scalable method for generating multiple quantum correlated beams by using cascaded four-wave mixing processes in hot rubidium vapor. As the number of quantum modes increases, so does the total degree of quantum correlations.
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Nonlinear optical magnetometry with accessible in situ optical
Abstract. We demonstrate compact and accessible squeezed-light magnetometry using four-wave mixing in a single hot rubidium vapor cell. The strong intrinsic coherence of the four-wave mixing process results in nonlinear magneto-optical rotation (NMOR) on each mode of a two-mode relative-intensity squeezed state. This …
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Phase Modulation in Rydberg Dressed Multi-Wave …
We study the enhancement and suppression of different multi-waving mixing (MWM) processes in a Rydberg-EIT rubidium vapor system both theoretically and …
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(PDF) Generation of Tripartite Squeezed State by
PDF | We report the quantum correlated triple beams via cascaded four-wave mixing (CFWM) amplified in single hot atomic vapor. Experimentally, we show... | …
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Phase Modulation in Rydberg Dressed Multi-Wave Mixing …
The nonlinear dispersion property of hot rubidium atoms is modulated by the Rydberg-Rydberg interaction, which can result in a nonli … We study the enhancement and suppression of different multi-waving mixing (MWM) processes in a Rydberg-EIT rubidium vapor system both theoretically and experimentally.
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Generation of Airy beams by four-wave mixing in Rubidium vapor …
Due to the hyperfine structure of rubidium atoms, the four-wave mixing effect exists in hot rubidium atomic vapor, which is related to the third-order nonlinear effect closely. The Raman gain of ...
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Four-wave-mixing stopped light in hot atomic rubidium …
Nature Photonics - The coherent storage and retrieval of a four-wave-mixing normal mode in a hot atomic rubidium vapour may prove to be useful for future …
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Generation of tripartite entanglement from cascaded four-wave mixing
Abstract. We investigate the possibility of an experimentally feasible cascaded four-wave mixing (FWM) system [Phys. Rev. Lett. 113, 023602 (2014)] to generate tripartite entanglement. We verify that genuine tripartite entanglement is present in this system by calculating the covariances of three output beams and then considering the violations ...
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