Abstract
A distributed Bragg reflector (DBR) has a broad photonic band gap. The gap width depends on the refractive-index discontinuity of the alternating layers. If the DBR incorporates an optically nonlinear medium, then the width of the photonic band gap is dynamic. At frequencies near the photonic band edge, the nonlinear DBR exhibits optical limiting and switching1 as well as optical bistability.2
© 1995 Optical Society of America
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