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Geometric phase for twisted light
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DOI：10.1364/OE.476989.png)
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Abstract
En 中文
Polarization vectors of light traveling in a coiled optical fiber rotate around its propagating axis even in the absence of birefringence. This rotation was usually explained due to the Pancharatnam-Berry phase of spin-1 photons. Here, we use a purely geometric method to understand this rotation. We show that similar geometric rotations also exist for twisted light carrying orbital angular momentum (OAM). The corresponding geometric phase can be applied in photonic OAM-state-based quantum computation and quantum sensing.(c) 2023 Optica Publishing Group under the terms of the Optica Open Access Publishing Agreement
Keywords:
ORBITAL ANGULAR-MOMENTUM
BERRY TOPOLOGICAL PHASE
OPTICAL-FIBERS
POLARIZATION
ROTATION
Journal
IF:
3.3
Papers:
6.1W
Citations:
14.3W