Asymmetric light transmission by using 2D PT-symmetric photonic nanostructure

Turduev M., Botey M., Herrero R., Giden I., Kurt H., Staliunas K.

27th IEEE Photonics Conference, IPC 2014, California, United States Of America, 12 - 16 October 2014, pp.164-165 identifier identifier

  • Publication Type: Conference Paper / Full Text
  • Doi Number: 10.1109/ipcon.2014.6995263
  • City: California
  • Country: United States Of America
  • Page Numbers: pp.164-165
  • Keywords: PT-symmetry, Photonic band gap materials, Photonic Crystal, Gain/Loss nanomaterials
  • TED University Affiliated: No

Abstract

© 2014 IEEE.We propose for the first time a simple realization of a two-dimensional Parity-Time symmetric hexagonal shaped photonic structure composed of honeycomb lattice. The structure has a symmetric periodic modulation of the refractive index on the wavelength scale, which is combined with an anti-symmetric gain/loss distribution on the same scale. That leads to non-reciprocal light coupling at resonant frequencies. The design of the realistic structure is based on a simple physical concept: alternating low index cylinders with gain and loss in a honeycomb configuration, embedded in a higher index dielectric background.