Volume 117, Number 6, March 2017
|Number of page(s)||6|
|Section||Condensed Matter: Electronic Structure, Electrical, Magnetic and Optical Properties|
|Published online||12 May 2017|
Unidirectional oblique propagation of exciton-polaritons in hybrid photonic crystals
Istituto dei Sistemi Complessi, CNR - Casella Postale 10, Monterotondo Stazione, I-00015 Rome, Italy
Received: 11 January 2017
Accepted: 21 April 2017
In this work we study theoretically the axial spectral asymmetry of a 1D hybrid (isotropic and anisotropic) photonic crystal for photon energies close to the electronic energy gaps of semiconductors (excitons). The non-normal optical properties of these resonant non-magnetic photonic crystals will be computed in the framework of exciton-polariton, by self-consistent solutions of the Maxwell-Schrödinger equations in the effective mass approximation. The tailoring of the hybrid photonic crystals, performed by implementing a simple two-layer “minimum model”, and novel optical properties, due to the unidirectional polariton propagation, will be discussed.
PACS: 71.36.+c – Polaritons (including photon-phonon and photon-magnon interactions) / 42.70.Qs – Photonic bandgap materials / 78.20.Fm – Birefringence
© EPLA, 2017
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