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Publication # 046 |
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| Y. Silberberg, P. W. Smith, D. A. B. Miller,
B. Tell, A. C. Gossard and W. Wiegmann, "Fast Nonlinear Optical Response from
Proton-Bombarded Multiple Quantum Well Structures," Appl. Phys. Lett. 46,
701-703 (1985). Proton bombardment is shown to shorten the recovery time of the excitonic absorption in GaAs/GaAlAs multiple quantum well saturable absorbers. The response time can be reduced from 30 ns to 150 ps without affecting the absorption characteristics or the saturation energy |
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