The two-photon absorption coefficient in a wide spectral range of Cd1-0.45Mn0.45Te
Source abstract
Abstract
Abstract We are reporting, for the first time to our knowledge, measurement of the degenerate two-photon absorption (TPA) coefficient in Cd1-xMnxTe (x = 0.45) in a wide spectral range (690–1040 nm), with a 5 nm resolution. The spectral dependence of the TPA is modeled as a combination of a-a and f-f transitions. The time response is ultrafast at 780 nm with a relaxation time on the order of 14.1 ps and a large TPA coefficient on the order of 60 cm/GW at 690 nm.
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Research context
OpenAlex topics: Advanced Semiconductor Detectors and Materials · Nonlinear Optical Materials Studies · Chalcogenide Semiconductor Thin Films
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