Focus

Spin–orbit interactions

The ability to induce coupling between the spin angular momenta and orbital angular momenta of photons is creating new opportunities for preparing unique states of light and performing new forms of optical manipulation. This focus describes the theory and mechanisms behind the coupling and a discussion of the potential applications.

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Editorial

A wonderful spin p771

doi:10.1038/nphoton.2015.245

First studied more than a decade ago, the field of spin–orbit interactions of light has accelerated in recent years and is now being exploited in nanophotonics and the generation of complex optical fields.



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Commentary

Spin–orbit photonics pp776 - 778

Filippo Cardano & Lorenzo Marrucci

doi:10.1038/nphoton.2015.232

Spin–orbit optical phenomena involve the interaction of the photon spin with the light wave propagation and spatial distribution, mediated by suitable optical media. Here we present a short overview of the emerging photonic applications that rely on such effects.



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Progress Article

From transverse angular momentum to photonic wheels pp789 - 795

Andrea Aiello, Peter Banzer, Martin Neugebauer & Gerd Leuchs

doi:10.1038/nphoton.2015.203

This Progress Article details the latest achievements and underlying principles of light carrying transverse spin.The capabilities and future applications of this young yet already advanced field are highlighted.



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Review

Spin–orbit interactions of light pp796 - 808

K. Y. Bliokh, F. J. Rodríguez-Fortuño, F. Nori & A. V. Zayats

doi:10.1038/nphoton.2015.201

This Review article provides an overview of the fundamental origins and important applications of the main spin–orbit interaction phenomena in modern optics that play a crucial role at subwavelength scales.



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