2005
DOI: 10.1117/12.601704
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Observation of ultra-low-light-level all-optical switching

Abstract: Photonic circuits require elements that can control optical signals with other optical signals. Ultra-low-light-level operation of all-optical switches opens the possibility of photonic devices that operate in the single-quantum regime, a prerequisite for quantum-photonic devices. We describe a new type of all-optical switch that exploits the extreme sensitivity to small perturbations displayed by instability-generated dissipative optical patterns. Such patterns, when controlled by applied perturbations, enabl… Show more

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Cited by 5 publications
(7 citation statements)
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“…To proceed, the following detailed result has been determined in recent work [14]; The key parameter in Eq. (4) is the nonlinear transition (inelastic) tensor, χ 12 ijk ω ′ ; −ω; ω À Á , mediating radiative decay of the molecular excited state. Unlike a parametric susceptibility, this tensor registers an inelastic (energy loss) process -in consequence of which, the first frequency parameter ω′ , registering emitter decay, differs from the sum of those which follow in the argument of χ.…”
Section: Methods and Resultsmentioning
confidence: 99%
See 1 more Smart Citation
“…To proceed, the following detailed result has been determined in recent work [14]; The key parameter in Eq. (4) is the nonlinear transition (inelastic) tensor, χ 12 ijk ω ′ ; −ω; ω À Á , mediating radiative decay of the molecular excited state. Unlike a parametric susceptibility, this tensor registers an inelastic (energy loss) process -in consequence of which, the first frequency parameter ω′ , registering emitter decay, differs from the sum of those which follow in the argument of χ.…”
Section: Methods and Resultsmentioning
confidence: 99%
“…Part of the interest in such a scheme lies in its possible relevance to all-optical transistor action which, like its electronic antecedent, can effect the switching or amplification of a source under the control of a signal input. Several other novel schemes for the realization of this type of action have recently been proposed, including one based on saturated absorption [1], electromagnetic induced transparency (EIT) [2][3][4][5], the optical Kerr effect [6][7][8], nonlinear transmission through coupling with surface plasmons [9][10][11], and beam filament rotation by application of a signal beam [12,13].…”
Section: Introductionmentioning
confidence: 99%
“…Control of light by light is an essential mechanism in all-optical communication and optical computing. The OB in the two-level atoms has been extensively investigated both experimentally and theoretically because of its application in optical transistors, memory elements and alloptical switching [6]. A theoretical model of OB has been considered in a two-level atom with a single mode field [5,7].…”
Section: Introductionmentioning
confidence: 99%
“…r Organic compounds have been attracting much attention for their applications in all-optical devices because they possess large optical nonlinearities and fast response [1]. All-optical switches are important components of highspeed optical communication networks [2], and their response is expected to be much faster than that of electrical switches. However, the third-order optical nonlinearities of organic materials reported so far have been several orders of magnitude smaller than the criterion for practical use.…”
mentioning
confidence: 99%