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  • International Quantum Electronics Conference
  • OSA Technical Digest (Optica Publishing Group, 1990),
  • paper QTUJ5

Carrier dynamics in a coupled quantum well helero nipi structure determined from nonlinear transmission

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Abstract

Multiple quantum well hetero nipi structures have been shown to exhibit large optically induced changes in absorption and refractive index.1 These changes are due to a cancellation of built-in electric fields due to the photoexcited carriers. Since the change in absorption is related to the density of excess carriers, carrier dynamics can be determined by measuring the decay of nonlinear transmission.

© 1990 Optical Society of America

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