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Phys Rev Lett. 2014 Apr 25;112(16):167401. Epub 2014 Apr 25.

Completely stopped and dispersionless light in plasmonic waveguides.

Author information

1
Blackett Laboratory, Department of Physics, Imperial College London, London SW7 2AZ, United Kingdom.

Abstract

We introduce a scheme where a time-dependent source excites "complex-frequency" modes in uniform plasmonic heterostructures, enabling complete and dispersionless stopping of light pulses, resilient to realistic levels of dissipative, radiative, and surface-roughness losses. Using transparent conducting oxides at telecommunication wavelengths we show how, without increasing optical losses, multiple light pulses can decay with time precisely at their injection points, unable to propagate despite the complete absence of barriers in front or behind them. Our results theoretically demonstrate extraordinary large light-deceleration factors (of the order of 1.5×107) in integrated nanophotonic media, comparable only to those attainable with ultracold atomic vapors or with quantum coherence effects, such as coherent population oscillations, in ruby crystals.

PMID:
24815668
DOI:
10.1103/PhysRevLett.112.167401
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