Goos-H\"{a}nchen and Imbert-Fedorov shifts of polarized vortex beams
Konstantin Y. Bliokh, Ilya V. Shadrivov, Yuri S. Kivshar
TL;DR
This paper analytically and numerically investigates the reflection and transmission of polarized vortex beams, revealing new vortex-induced shifts and connections between spin and vortex effects at dielectric interfaces.
Contribution
It introduces a general framework for calculating linear and angular shifts of vortex beams and predicts a novel vortex-induced Goos-Hanchen shift.
Findings
Discovery of a vortex-induced Goos-Hanchen shift
Identification of the connection between spin and vortex-induced shifts
Development of general expressions for beam shifts at dielectric interfaces
Abstract
We study, analytically and numerically, reflection and transmission of an arbitrarily polarized vortex beam on an interface separating two dielectric media and derive general expressions for linear and angular Goos-Hanchen and Imbert-Fedorov shifts. We predict a novel vortex-induced Goos-Hanchen shift, and also reveal direct connection between the spin-induced angular shifts and the vortex-induced linear shifts.
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