期刊
PHYSICAL REVIEW A
卷 85, 期 1, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevA.85.013818
关键词
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资金
- AFOSR [FA 9550-10-1-0433, FA 9550-10-1-0561]
- NSF [ECCS-1128571]
- AFOSR LRIR [09RY04COR]
- Div Of Electrical, Commun & Cyber Sys
- Directorate For Engineering [1128571] Funding Source: National Science Foundation
We theoretically investigate the flow of electromagnetic waves in complex honeycomb photonic lattices with local PT symmetries. Such PT structure is introduced via a judicious arrangement of gain and loss across the honeycomb lattice, characterized by a gain and loss parameter gamma. We found a class of conical diffraction phenomena where the formed cone is brighter and travels along the lattice with a transverse speed proportional to root gamma.
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