Disorder-induced optical transition from spin Hall to random Rashba effect

Author:

Maguid Elhanan1ORCID,Yannai Michael1ORCID,Faerman Arkady1ORCID,Yulevich Igor1ORCID,Kleiner Vladimir1ORCID,Hasman Erez1ORCID

Affiliation:

1. Micro and Nanooptics Laboratory, Faculty of Mechanical Engineering, and Russell Berrie Nanotechnology Institute, Technion–Israel Institute of Technology, Haifa 3200003, Israel.

Abstract

Phase transition of scattered light Disordered structures can give rise to intriguing scattering phenomena owing to the unpredictable nature of their interaction with light. Using subwavelength-scale disordered metasurfaces, Maguid et al. observed a phase transition in how the light is scattered as a function of disorder. Weak disorder induced a photonic spin Hall effect, whereas strong disorder led to spin-split modes in momentum space, a random optical-Rashba effect. Thus, designed photonic structure could offer a versatile platform to study similar phenomena in complex solid-state systems. Science , this issue p. 1411

Publisher

American Association for the Advancement of Science (AAAS)

Subject

Multidisciplinary

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