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Publication # 046

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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