Journal
APPLIED PHYSICS LETTERS
Volume 102, Issue 14, Pages -Publisher
AMER INST PHYSICS
DOI: 10.1063/1.4801977
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Funding
- Natural Science Foundation of China [61205042]
- Natural Science Foundation of Jiangsu Province [BK2011718]
- Div Of Electrical, Commun & Cyber Sys
- Directorate For Engineering [0925713] Funding Source: National Science Foundation
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A photonic-crystal waveguide hosted in an annular photonic crystal is demonstrated theoretically to realize polarization-independent slow light. Through an appropriate set of design parameters, overlapping regions with constant group index and low group-velocity dispersion for both the transverse-electric and transverse-magnetic polarizations can be achieved in the common frequency regime of the waveguide modes. Assuming parameters for silicon and air, an optimal structure with group index of 50 and bandwidth of similar to 0.1% is found theoretically for polarization-independent slow light in this structure. (C) 2013 AIP Publishing LLC.
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