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of 158
pro vyhledávání: '"Grosz D"'
We put forth an approach to obtain a quantum master equation for the propagation of light in nonlinear fiber optics by relying on simple quantum pictures of the processes (linear and nonlinear) occurring along propagation in an optical fiber. This eq
Externí odkaz:
http://arxiv.org/abs/1902.00561
Akademický článek
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We propose a novel scheme to implement the BB84 quantum key distribution (QKD) protocol in optical fibers based on a quantum frequency-translation (QFT) process. Unlike conventional QKD systems, which rely on photon polarization/phase to encode qubit
Externí odkaz:
http://arxiv.org/abs/1806.10971
We present a novel approach to the analysis of a full model of scalar modulation instability (MI) by means of a simple geometrical description in the power vs. frequency plane. This formulation allows to relate the shape of the MI gain to any arbitra
Externí odkaz:
http://arxiv.org/abs/1611.08950
Publikováno v:
Phys. Rev. A 94, 033826 (2016)
We derive analytical expressions for the coherence in the onset of modulation instability, in excellent agreement with thorough numerical simulations. As usual, we start by a linear perturbation analysis, where broadband noise is added to a continuou
Externí odkaz:
http://arxiv.org/abs/1606.03421
The interplay between nonlinear dynamic systems and noise has proved to be of great relevance in several application areas. In this presentation, we focus on the areas of information transmission and storage. We review some recent results on informat
Externí odkaz:
http://arxiv.org/abs/1310.5688
We extend results by Stotland and Di Ventra on the phenomenon of resistive switching aided by noise. We further the analysis of the mechanism underlying the beneficial role of noise and study the EPIR (Electrical Pulse Induced Resistance) ratio depen
Externí odkaz:
http://arxiv.org/abs/1309.5334
Publikováno v:
Appl. Phys. Lett. 103, 074102 (2013)
We study the effect of external noise on resistive switching. Experimental results on a manganite sample are presented showing that there is an optimal noise amplitude that maximizes the contrast between high and low resistive states. By means of num
Externí odkaz:
http://arxiv.org/abs/1307.0143
In this paper we extend our investigations on noise-assisted storage devices through the experimental study of a loop composed of a single Schmitt trigger and an element that introduces a finite delay. We show that such a system allows the storage of
Externí odkaz:
http://arxiv.org/abs/1103.5376
The increasing capacity of modern computers, driven by Moore's Law, is accompanied by smaller noise margins and higher error rates. In this paper we propose a memory device, consisting of a ring of two identical overdamped bistable forward-coupled os
Externí odkaz:
http://arxiv.org/abs/0911.0878