Three-dimensional photonic crystals containing designed defects achieved with two-photon photopolymerization

(整期优先)网络出版时间:2009-02-12
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Two-photonphotopolymerization(TPP)withfemtosecondlaserisapromisingmethodtofabricatethree-dimensional(3D)photoniccrystals(PCs).BasedontheTPPprinciple,themicro-fabricationsystemhasbeenbuilt.The3DwoodpilePCswithrodspaceof2000nmarefabricatedeasilyanddifferentdefectsareintroducedinordertoformthecross-waveguideandthemicro-laserstructurePCs.Simulationresultsoftheopticalfieldintensitydistributionsusingfinite-differencetimedomain(FDTD)methodaregiven,whichsupportthedesignsandimplementationofthePCoftwotypesintheory.