Cartesian light': How does light propagate in a 3D superlattice of photonic bandgap cavities?

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Abstract

We explore the unconventional propagation of light in a three-dimensional (3D) superlattice of coupled resonant cavities in a 3D photonic band gap crystal (Fig. 1). Such a 3D cavity superlattice is the photonic analogue of the Anderson model for spins and electrons in the limit of zero disorder [1]. Using the plane-wave expansion method [2], we calculate the dispersion relations of the 3D cavity superlattice with the cubic inverse woodpile structure [3,4] that reveal five coupled-cavity bands. These bands have quadrupolar symmetry and are the optical analogues of d-orbitals in solid-state physics [4,5]. Therefore, one might naively expect neighboring cavities to couple mostly in diagonal directions.

Original languageEnglish
Title of host publication2019 Conference on Lasers and Electro-Optics Europe and European Quantum Electronics Conference, CLEO/Europe-EQEC 2019
PublisherIEEE
ISBN (Electronic)9781728104690
DOIs
Publication statusPublished - Jun 2019
EventConference on Lasers and Electro-Optics Europe & European Quantum Electronics Conference, CLEO/Europe-EQEC 2019 - Munich Trade Fair Centre, Munich, Germany
Duration: 23 Jun 201927 Jun 2019
http://www.cleoeurope.org

Conference

ConferenceConference on Lasers and Electro-Optics Europe & European Quantum Electronics Conference, CLEO/Europe-EQEC 2019
Abbreviated titleCLEO/Europe-EQEC 2019
CountryGermany
CityMunich
Period23/06/1927/06/19
Internet address

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