Spin-Orbit Mapping of Light
Liang Fang, Hongya Wang, Yize Liang, Han Cao, Jian Wang
Abstract
Spin-orbit photonics, involving the interaction between the spin angular momentum (SAM) and orbital angular momentum (OAM) of light, plays an important role in modern optics. Here, we present the spin-orbit mapping of light in a few-mode fiber that originates from the mode degeneracy lifting (TM_{01} and TE_{01}) property. We demonstrate two kinds of spin-orbit mapping phenomena, i.e., mapping from intrinsic SAM to OAM and mapping from polarization direction rotation to field pattern rotation. The demonstrated spin-orbit mapping shows high efficiency, large bandwidth, availability for short pulses, and scalability to high-order OAM states.
Topics & Concepts
Angular momentumPhysicsPolarization (electrochemistry)Degeneracy (biology)Orbital angular momentum of lightStructured lightAngular momentum of lightRotation (mathematics)Orbital angular momentum multiplexingField (mathematics)Spin (aerodynamics)OpticsOrbital motionAngular momentum couplingScalabilityMode (computer interface)Light fieldOrbital Angular Momentum in OpticsOptical Network TechnologiesRandom lasers and scattering media