publication . Other literature type . Article . Preprint . 2010

Few-photon optical diode

Roy, Dibyendu;
  • Published: 21 Apr 2010
  • Publisher: American Physical Society (APS)
Abstract
We propose a novel scheme of realizing an optical diode at the few-photon level. The system consists of a one-dimensional waveguide coupled asymmetrically to a two-level system. The two or multi-photon transport in this system is strongly correlated. We derive exactly the single and two-photon current and show that the two-photon current is asymmetric for the asymmetric coupling. Thus the system serves as an optical diode which allows transmission of photons in one direction much more efficiently than the opposite.
Subjects
arXiv: Physics::Optics
free text keywords: Electronic, Optical and Magnetic Materials, Condensed Matter Physics, Massless particle, Waveguide, law.invention, law, Asymmetry, media_common.quotation_subject, media_common, Photon, Physics, Optical isolator, Coupling, Laser diode rate equations, Elementary particle, Physics - Optics, Condensed Matter - Mesoscale and Nanoscale Physics, Quantum Physics
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