Forced synchronization of spaser by an external optical wave

We demonstrate that when the frequency of the external field differs from the lasing frequency of an autonomous spaser, the spaser exhibits stochastic oscillations at low field intensity. The plasmon oscillations lock to the frequency of the external field only when the field amplitude exceeds a thr...

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Bibliographic Details
Published in:Optics express 2011-12, Vol.19 (25), p.24849-24857
Main Authors: Andrianov, E S, Pukhov, A A, Dorofeenko, A V, Vinogradov, A P, Lisyansky, A A
Format: Article
Language:English
Subjects:
Computer Simulation
Computer-Aided Design
Equipment Design
Equipment Failure Analysis
Lasers
Light
Models, Theoretical
Optical Devices
Scattering, Radiation
Surface Plasmon Resonance - methods
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Summary:We demonstrate that when the frequency of the external field differs from the lasing frequency of an autonomous spaser, the spaser exhibits stochastic oscillations at low field intensity. The plasmon oscillations lock to the frequency of the external field only when the field amplitude exceeds a threshold value. We find a region of values of the external field amplitude and the frequency detuning (the Arnold tongue) for which the spaser synchronizes with the external wave.
ISSN:1094-4087
1094-4087
DOI:10.1364/OE.19.024849