Journal
PHYSICAL REVIEW A
Volume 86, Issue 5, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevA.86.055801
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Funding
- Cariparo Fundation (project of excellence Macroscopic Quantum Properties of Ultracold Atoms under Optical Confinement)
- University of Padova (progetto di ateneo Quantum Information with Ultracold Atoms in Optical Lattices)
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We investigate the effect of a surface-plasmon resonance on Goos-Hanchen and Imbert-Fedorov spatial and angular shifts in the reflection of a light beam by considering a three-layer system made of glass, gold, and air. We calculate these spatial and angular shifts as functions of the incidence angle showing that they are strongly enhanced in correspondence with the resonant angle. In particular, we find giant spatial and angular Goos-Hanchen shifts for the p-wave light close to the plasmon resonance. We also predict a similar but less pronounced resonant effect on spatial and angular Imbert-Fedorov shifts for both s-wave and p-wave light.
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