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Published February 23, 2011 | Published + Supplemental Material
Journal Article Open

Parity-time electromagnetic diodes in a two-dimensional nonreciprocal photonic crystal

Abstract

We propose a kind of electromagnetic (EM) diode based on a two-dimensional nonreciprocal gyrotropic photonic crystal. This periodic microstructure has separately broken symmetries in both parity (P) and time-reversal (T) but obeys parity-time (PT) symmetry. This kind of diode could support bulk one-way propagating modes either for group velocity or phase velocity with various types of negative and positive refraction. This symmetry-broken system could be a platform to realize abnormal photoelectronic devices, and it may be analogous to an electron counterpart with one-way features.

Additional Information

© 2011 American Physical Society. Received 1 December 2010; published 23 February 2011. The work was supported jointly by the National Basic Research Program of China (Grant No. 2007CB613202) and the National Nature Science Foundation of China (Grant No. 50632030). We also acknowledge the support from the Nature Science Foundation of China (Grant No. 10874080) and the Nature Science Foundation of Jiangsu Province (Grant No. BK2009007).

Attached Files

Published - He2011p12956Phys_Rev_B.pdf

Supplemental Material - MOV._S1.gif

Supplemental Material - MOV._S2.gif

Supplemental Material - README.TXT

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August 19, 2023
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