Conical diffraction, pseudospin, and nonlinear wave dynamics in photonic Lieb lattices

Daniel Leykam; Omri Bahat-Treidel; Anton S. Desyatnikov

doi:10.1109/CLEOE-IQEC.2013.6801833

Conical diffraction, pseudospin, and nonlinear wave dynamics in photonic Lieb lattices

Daniel Leykam, Omri Bahat-Treidel, Anton S. Desyatnikov

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Abstract

Band structure singularities occur in 2D photonic lattices when two or more bands intersect at a point. At this degenerate point, the wave group velocity is undefined. These singularities are associated with unusual wave dynamics such as conical diffraction [1], Klein tunnelling [2], and pseudo-diffusive wave transmission [3]. Conical diffraction and nonlinear wave propagation near such an intersection were first observed in a honeycomb lattice created using the optical induction technique [4]. More recently, other singular lattices generalising the Dirac point of the honeycomb lattice have been found [5, 6].

Original language	English
Title of host publication	2013 Conference on Lasers and Electro-Optics Europe and International Quantum Electronics Conference, CLEO/Europe-IQEC 2013
Publisher	IEEE Computer Society
DOIs	https://doi.org/10.1109/CLEOE-IQEC.2013.6801833
Publication status	Published - 2013
Externally published	Yes
Event	2013 Conference on Lasers and Electro-Optics Europe and International Quantum Electronics Conference, CLEO/Europe-IQEC 2013 - Munich, Germany Duration: May 12 2013 → May 16 2013

Other

Other	2013 Conference on Lasers and Electro-Optics Europe and International Quantum Electronics Conference, CLEO/Europe-IQEC 2013
Country	Germany
City	Munich
Period	5/12/13 → 5/16/13

ASJC Scopus subject areas

Electrical and Electronic Engineering

Access to Document

10.1109/CLEOE-IQEC.2013.6801833

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Conical diffraction, pseudospin, and nonlinear wave dynamics in photonic Lieb lattices. / Leykam, Daniel; Bahat-Treidel, Omri; Desyatnikov, Anton S.

2013 Conference on Lasers and Electro-Optics Europe and International Quantum Electronics Conference, CLEO/Europe-IQEC 2013. IEEE Computer Society, 2013. 6801833.

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Leykam, D, Bahat-Treidel, O & Desyatnikov, AS 2013, Conical diffraction, pseudospin, and nonlinear wave dynamics in photonic Lieb lattices. in 2013 Conference on Lasers and Electro-Optics Europe and International Quantum Electronics Conference, CLEO/Europe-IQEC 2013., 6801833, IEEE Computer Society, 2013 Conference on Lasers and Electro-Optics Europe and International Quantum Electronics Conference, CLEO/Europe-IQEC 2013, Munich, Germany, 5/12/13. https://doi.org/10.1109/CLEOE-IQEC.2013.6801833

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abstract = "Band structure singularities occur in 2D photonic lattices when two or more bands intersect at a point. At this degenerate point, the wave group velocity is undefined. These singularities are associated with unusual wave dynamics such as conical diffraction [1], Klein tunnelling [2], and pseudo-diffusive wave transmission [3]. Conical diffraction and nonlinear wave propagation near such an intersection were first observed in a honeycomb lattice created using the optical induction technique [4]. More recently, other singular lattices generalising the Dirac point of the honeycomb lattice have been found [5, 6].",

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