Emergence of transverse spin in optical modes of semiconductor nanowires
arXiv:1602.00609 · doi:10.1364/OE.24.008471
Abstract
The transverse spin angular momentum of light has recently received tremendous attention as it adds a new degree of freedom for controlling light-matter interactions. In this work we demonstrate the generation of transverse spin angular momentum by the weakly-guided mode of semiconductor nanowires. The evanescent field of these modes in combination with the transversality condition rigorously accounts for the occurrence of transverse spin angular momentum. The intriguing and nontrivial spin properties of optical modes in semiconductor nanowires are of high interest for a broad range of new applications including chiral optical trapping, quantum information processing, and nanophotonic circuitry.
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- Spin angular momentum in planar and cylindrical waveguides induced by transverse confinement and intrinsic helicity of guided light
- Dominant chiral optical forces in vicinity of optical nanofibers
- Intrinsic transverse spin angular momentum of fiber eigenmodes
- Coherent perfect absorption mediated enhancement of transverse spin in a gap plasmon guide