Abstract

InP nanocrystals synthesized by refluxing and annealing of organicsolvent are determined from XRD measurements to have an averagegranularity of 25 nm. The nonlinear optical properties of the InPnanocrystals studied by using laser Z-scan technique with 50 ps pulsesat 532 nm are found to reveal strong nonlinear optical properties andtwo-photon absorption phenomenon. Also, the nonlinear absorptioncoefficient, the nonlinear refractive index and the third-ordernonlinear optical susceptibility are determined by experiments, inwhich the nonlinear refractive index is three orders of magnitudelarger than that of bulk InP.

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