Abstract
Much interest has been drawing in photonic crystals in which the refractive index changes periodically. A photonic bandgap is formed in the crystals, and the propagation of electromagnetic waves is prohibited for all wave vectors. Various important scientific and engineering applications such as control of spontaneous emission, zero- threshold lasing, very sharp bending of light, and so on, are expected with the photonic bandgap and the artificially introduced defect states and/or light-emitters. In this presentation, the present status of semiconductor 3D and 2D photonic crystals is reviewed.
© 2001 Optical Society of America
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