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9 July 2003 Optical limiting properties of metallodielectric photonic bandgap structures
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Proceedings Volume 5000, Photonic Crystal Materials and Devices; (2003)
Event: Integrated Optoelectronics Devices, 2003, San Jose, CA, United States
In this work we investigated the nonlinear optical properits of a one-dimensional, tranparent metallo-dielectric photonic band gap structure. Specifically, we consider multilayer samples having a nonlinear material as a component. We chose ZnO due to its transparency in the visible region and to its well known optical nonlinearity. By means of dual ion beam sputtering technique we realized a four period sample where the single period consists of ZnO and Ag layers. Sample structure was opportunely designed in order to achieve high nonlinear optical response. A Q-switched frequency doubled Nd:YAG laser has been used in order to investigate the transmissive properties of the sample under high light intensities. A transmission decrease of approximately 50% was found for a maximum incident light intensity of 2 GW/cm2.
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Maria Cristina Larciprete, Concita Sibilia, S. Paolini, Mario Bertolotti, Francesca Sarto, and Michael Scalora "Optical limiting properties of metallodielectric photonic bandgap structures", Proc. SPIE 5000, Photonic Crystal Materials and Devices, (9 July 2003);

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