Two-Color Nonlinear Localized Modes in Photonic Crystals

For more than a decade physicists have been working towards photonic crystals (or photonic band gap materials)—low-loss periodic dielectric structures that produce many of the same phenomena for photons as the crystalline atomic potential does for electrons. Three-dimensional photonic crystals for visible light have been successfully fabricated only within the past year or two, but it is time to think about the next step—creating tunable band-gap switches and transistors operating entirely with light

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