Design for a Nanoscale Single-Photon Spin Splitter for Modes with Orbital Angular Momentum

G. Li, A. S. Sheremet, R. Ge, T. C. H. Liew, and A. V. Kavokin
Phys. Rev. Lett. 121, 053901 – Published 2 August 2018
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Abstract

We propose using the effective spin-orbit coupling of light in Bragg-modulated cylindrical waveguides for the efficient separation of spin-up and spin-down photons emitted by a single photon emitter. Because of the spin and directional dependence of photonic stop bands in the waveguides, spin-up (-down) photon propagation in the negative (positive) direction along the waveguide axis is blocked while the same photon freely propagates in the opposite direction. Frequency shifts of photonic band structures induced by the spin-orbit coupling are verified by finite-difference time-domain numerical simulations.

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  • Received 8 February 2018

DOI:https://doi.org/10.1103/PhysRevLett.121.053901

© 2018 American Physical Society

Physics Subject Headings (PhySH)

Atomic, Molecular & OpticalNonlinear Dynamics

Authors & Affiliations

G. Li1,2,†, A. S. Sheremet3,†, R. Ge4,†, T. C. H. Liew4, and A. V. Kavokin1,3,5,6

  • 1School of Physics and Astronomy, University of Southampton, SO17 1BJ, Southampton, United Kingdom
  • 2School of Physics and Astronomy, Monash University, Victoria 3800, Australia
  • 3Russian Quantum Center, Novaya street 100, 143025 Skolkovo, Moscow Region, Russia
  • 4Division of Physics and Applied Physics, School of Physical and Mathematical Sciences, Nanyang Technological University, 21 Nanyang Link, 637371, Singapore
  • 5SPIN-CNR, Viale del Politecnico 1, I-00133 Rome, Italy
  • 6Spin Optics Laboratory, Saint Petersburg State University, 1 Ulianovskaya, 198504, Saint Petersburg, Russia

  • *Guangyao.Li@monash.edu
  • G. L., A. S. S., and R. G. contributed equally to this work.

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Issue

Vol. 121, Iss. 5 — 3 August 2018

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