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Free keywords:
NANOPHOTONIC WAVE-GUIDE; SPIN-ORBIT INTERACTION; IMBERT-FEDOROV SHIFTS;
POLARIZATION STATE; GOOS-HANCHEN; LIGHT; MODES; FIELD; BEAM; DIFFRACTIONOptics; Physics;
Abstract:
Scientists have known for more than a century that light possesses both linear and angular momenta along the direction of propagation. However, only recent advances in optics have led to the notion of spinning electromagnetic fields capable of carrying angular momenta transverse to the direction of motion. Such fields enable numerous applications in nano-optics, biosensing and near-field microscopy, including three-dimensional control over atoms, molecules and nanostructures, and allowing for the realization of chiral nanophotonic interfaces and plasmonic devices. Here, we report on recent developments of optics with light carrying transverse spin. We present both the underlying principles and the latest achievements, and also highlight new capabilities and future applications emerging from this young yet already advanced field of research.
