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RESEARCH PRODUCT
Photonic transfer through subwavelength optical waveguides
Alain DereuxC. GirardChristian Joachimsubject
PhysicsTotal internal reflectionbusiness.industryNear-field opticsPhysics::OpticsGeneral Physics and AstronomyMicrostructured optical fiberWaveguide (optics)Slot-waveguideOpticsOptoelectronicsPhotonicsbusinessMicrophotonicsPhotonic crystaldescription
Optical tunneling effect through dielectric junctions with subwavelength transverse sizes has been demonstrated some years ago. In this letter, we demonstrate how similar effects can be exploited to perform photonic transfer through a subwavelength optical wave guide (SOW) by structuring its optical index along the direction of propagation. The optical transmittance of the SOW is computed self-consistently in direct space through the numerical solution of a Dyson equation. We apply this scheme to investigate the optical properties of different SOW architectures. Even under total internal reflection, in which the light is coupled to the SOW by an evanescent mode, an efficient optical transfer can be expected.
| year | journal | country | edition | language |
|---|---|---|---|---|
| 1998-12-15 | Europhysics Letters (EPL) |