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Diagram of bistable switching in a nonlinear Fabry-Pérot cavity with the free-carrier nonlinearity. The vertical line corresponds to the linear nondetuned case. The short-dashed curve corresponds to the low incident intensity, while the long-dashed curve represents the high intensity case. Cross sections between the resonator’s characteristic (thick line) and the intensity curves yields the corresponding graphical solution for a given operating point.
Reflectivity vs refractive index change in the CdTe layers with at . Horizontal lines correspond to the required reflectivities of 10% and 99%, respectively. The vertical line denotes a low incident intensity, while the minimum reflectivity is at a high incident intensity. High-extinction-ratio switching is achieved.
Nonlinear CdTe-based Bragg mirror (one-dimensional photonic crystal with a defect).
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