Scattering of two coherent photons inside a one-dimensional coupled-resonator waveguide

We consider the coherent propagation of n photons in a one-dimensional coupled-resonator waveguide for n=2,3,4... The scattering by a three-level atom, which resides in one of the resonators of the waveguide and gives rise to only two-photon transitions, results in a perfect quantum switch that allo...

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Bibliographic Details
Published in:Physical review. A, Atomic, molecular, and optical physics Atomic, molecular, and optical physics, 2010-01, Vol.81 (1), Article 015805
Main Author: Alexanian, Moorad
Format: Article
Language:English
Subjects:
BOSONS
CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS
ELECTRICAL EQUIPMENT
ELECTRONIC EQUIPMENT
ELEMENTARY PARTICLES
MASSLESS PARTICLES
MIRRORS
ONE-DIMENSIONAL CALCULATIONS
PHOTONS
REFLECTION
RESONATORS
SCATTERING
SWITCHES
TRANSMISSION
WAVEGUIDES
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Summary:We consider the coherent propagation of n photons in a one-dimensional coupled-resonator waveguide for n=2,3,4... The scattering by a three-level atom, which resides in one of the resonators of the waveguide and gives rise to only two-photon transitions, results in a perfect quantum switch that allows either total reflection or total transmission. This is to be contrasted to the case of a single photon inside a one-dimensional resonant waveguide scattered by a two-level system with single-photon transitions where only total reflection can be accomplished; viz. the system behaves only as a perfect mirror but not as an ideal, transparent medium.
ISSN:1050-2947
1094-1622
DOI:10.1103/PhysRevA.81.015805