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Image from "Enhancement of nonlinear effects at the degenerate band edge of two-dimensional photonic crystals" [M. Astic, Ph. Delaye, R. Frey, and G. Roosen, Phys. Rev. E 79, 056608 (2009)] |
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Image from "Enhancement of nonlinear effects at the degenerate band edge of two-dimensional photonic crystals" [M. Astic, Ph. Delaye, R. Frey, and G. Roosen, Phys. Rev. E 79, 056608 (2009)] |