Please use this identifier to cite or link to this item: https://hdl.handle.net/10356/90178
Title: Realization of a magneto-optical near-zero index medium by an unpaired Dirac point
Authors: Zhou, Xin
Leykam, Daniel
Chattopadhyay, Udvas
Khanikaev, A. B.
Chong, Yi Dong
Keywords: Magneto-optical
Dirac Point
DRNTU::Science::Physics
Issue Date: 2018
Source: Zhou, X., Leykam, D., Chattopadhyay, U., Khanikaev, A. B., & Chong, Y. D. (2018). Realization of a magneto-optical near-zero index medium by an unpaired Dirac point. Physical Review B, 98(20), 205115-. doi: 10.1103/PhysRevB.98.205115
Series/Report no.: Physical Review B
Abstract: We realize an unpaired Dirac cone at the center of the Brillouin zone, using a gyromagnetic photonic crystal with broken square sublattice symmetry and broken time-reversal symmetry. The behavior of the Dirac modes can be described by a gyromagnetic effective medium model with near-zero refractive index, and Voigt parameter near unity. When two domains are subjected to opposite magnetic biases, there exist unidirectional edge states along the domain wall. This establishes a link between topological edge states and the surface waves of homogeneous magneto-optical media.
URI: https://hdl.handle.net/10356/90178
http://hdl.handle.net/10220/47197
ISSN: 2469-9950
DOI: 10.1103/PhysRevB.98.205115
Rights: © 2018 American Physical Society. This paper was published in Physical Review B and is made available as an electronic reprint (preprint) with permission of American Physical Society. The published version is available at: [http://dx.doi.org/10.1103/PhysRevB.98.205115]. One print or electronic copy may be made for personal use only. Systematic or multiple reproduction, distribution to multiple locations via electronic or other means, duplication of any material in this paper for a fee or for commercial purposes, or modification of the content of the paper is prohibited and is subject to penalties under law.
Fulltext Permission: open
Fulltext Availability: With Fulltext
Appears in Collections:SPMS Journal Articles

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