Exciton-induced mid-infrared optical nonlinearity of wide bandgap hexagon boron nitride.
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DOI: 10.1364/ol.452050
Abstract: In this Letter, an exciton absorption assumption is made to explain the mid-infrared saturable absorption performance of the 2D h-BN nanosheet. The exciton binding energy of ∼0.4 eV corresponds to the light wavelength around 3… read more here.
Keywords: exciton; mid infrared; induced mid; infrared optical ... See more keywords