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Hybrid lead halide perovskites, such as methylammonium lead halides CH3NH3PbX3 (MAPbX3, X = I, Br, Cl), are emerging as an excellent class of materials for various optoelectronic applications including solar cells, light-emitting diodes, lasers, and photodetectors [1,2]. As for these perovskite-based devices, deep understanding of transport properties of excitons and charge carriers in perovskite...
Using coherent photon conversion (CPC) we generate large effective X(2) nonlinearities in a X(3)-nonlinear Si3N4 microring-resonator and measure an effective second harmonic generation efficiency of 77%/mW.
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