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Photonic Spin Hall Effect in Waveguides Composed of Two Types of Single-Negative Metamaterials.


ABSTRACT: The polarization controlled optical signal routing has many important applications in photonics such as polarization beam splitter. By using two-dimensional transmission lines with lumped elements, we experimentally demonstrate the selective excitation of guided modes in waveguides composed of two kinds of single-negative metamaterials. A localized, circularly polarized emitter placed near the interface of the two kinds of single-negative metamaterials only couples with one guided mode with a specific propagating direction determined by the polarization handedness of the source. Moreover, this optical spin-orbit locking phenomenon, also called the photonic spin Hall effect, is robust against interface fluctuations, which may be very useful in the manipulation of electromagnetic signals.

SUBMITTER: Guo Z 

PROVIDER: S-EPMC5552733 | biostudies-other | 2017 Aug

REPOSITORIES: biostudies-other

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