Titlebook: Optical Switching in Low-Dimensional Systems; H. Haug,L. Bányai Book 1989 Plenum Press, New York 1989 Diac.dynamics.electron.electrons.las

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0258-1221 , of the compositions, and of the doping offer great new flexibility in engineering the desired optical properties. Recently, organic chain molecules (such as p978-1-4684-7280-6978-1-4684-7278-3Series ISSN 0258-1221

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S. W. Koch,N. Peyghambarian,M. Lindberg,B. D. Fluegel

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Optical Bistability and Nonlinear Switching in Quantum Well Amplifiersuffers from a marked sensitivity to the wavelength of the optical input. By comparison, the two-section device is claimed to show good tolerance to input wavelength and can give significantly higher contrast ratios between the “off” and “on” states.

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Optical Stark Shift in Quantum Wellscitons. The small magnitude of the corresponding energy shift with respect to typical excitonic transitions linewidth requires the use of lasers with quite high peak power. This is obtained by using very short laser pulses (10. s) which in the same time provide direct information on the dynamics of