PICOSECOND DIFFERENTIAL TRANSMISSION MEASUREMENTS ON POROUS SILICON
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In this work, differential transmission measurements are made to characterize the short-time-scale optical properties of p -type light-emitting porous silicon. Aged and freshly etched samples are used to determine the impact of aging on the nonlinear optical properties. Two-component photo-induced absorption is observed in both types of samples. A model that considers porous silicon's unique properties of confinement, high surface area, and disorder on several length scales is presented to explain the experimental results. 1998 Taylor & Francis Group, LLC.
Microscale Thermophysical Engineering
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Russo, M Cynthia Hipwell Chang-Lin Tien Xianglei Mao Richard E