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A novel multifunctional optical device, combining optical filtering, amplification, attenuation and switching functions in one unit, was designed and demonstrated in covering both C- and L-bands, by taking advantage of excellent electrooptic (EO) property in the gain media of 2.0 mol% Er doped and 2.0 mol%Er, 5.0 mol%Yb codoped lanthanum-modified lead zirconate titanate (PLZT) ceramics...
Using rare earth cations (such Ho3+, Tm3+, Er3+, and Yb3+) singly and doubly doped lead lanthanum-modified zirconate titanate ceramic gain media, excellent upconversion was observed and investigated. Intrinsic rich carrier traps and their contributions to optical energy storage and upconversion were investigated under different conditions, such as illumination and electrical fields. A new model was...
Using Ho3+ and Tm3+ codoped PLZT ceramic gain media, excellent upconversion was observed and investigated. A new model was proposed, leading ways towards upconversion-based laser and sensor development.
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