Optical nonlinearities due to carrier transport in semiconductors
A nonlocal nonlinearity results when optically excited carriers move within the internal electric fields of depletion regions, causing field-dependent changes in absorption and/or refractive index. We review some recent experimental results and use these concepts in hetero-Schottky barriers and hetero-n-i-p-i structures. We show that extremely sensitive, rather large nonlinearities result. © 1989, Optical Society of America.
Garmire, E; Jokerst, NM; Kost, A; Danner, A; Dapkus, PD
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