Femtosecond Coherent Spectroscopy of Bulk ZnSe and ZnCdSe/ZnSe Quantum Wells

A. J. Fischer, D. S. Kim, J. Hays, W. Shan, J. J. Song, D. B. Eason, J. Ren, J. F. Schetzina, H. Luo, J. K. Furdyna, Z. Q. Zhu, T. Yao, J. F. Klem, and W. Schäfer
Phys. Rev. Lett. 73, 2368 – Published 24 October 1994
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Abstract

Femtosecond two beam, self-diffraction experiments are performed in ZnSe and ZnCdSe/ZnSe quantum wells. Degenerate wave mixing signals from the third to the thirteenth order are easily visible to the naked eye, implying that nonlinear effects in this system may already be in the nonperturbative regime. Spectrally resolved data indicate that the nonlinearities originate entirely from the excitonic resonance. In addition, the existence of four-wave mixing signals in bulk ZnSe at negative time delay suggests that exciton-exciton interaction plays an important role. Exciton-phonon interaction rates are deduced as a function of temperature in ZnSe and ZnCdSe/ZnSe quantum wells.

  • Received 26 April 1994

DOI:https://doi.org/10.1103/PhysRevLett.73.2368

©1994 American Physical Society

Authors & Affiliations

A. J. Fischer, D. S. Kim*, J. Hays, W. Shan, and J. J. Song

  • Center for Laser Research and Department of Physics, Oklahoma State University, Stillwater, Oklahoma 74078

D. B. Eason, J. Ren, and J. F. Schetzina

  • Department of Physics, North Carolina State University, Raleigh, North Carolina 27695

H. Luo and J. K. Furdyna

  • Department of Physics, University of Notre Dame, Notre Dame, Indiana 46556

Z. Q. Zhu and T. Yao

  • Department of Electrical Engineering, Hiroshima University, Higash-Hiroshima, 724, Japan

J. F. Klem

  • Sandia National Laboratories, Albuquerque, New Mexico 87185

W. Schäfer

  • Hochstleistungsrechenzentrum Forschungszentrum, Jülich, W-5170 Jülich, Germany

  • *Present address: Department of Physics, Seoul National University, Seoul 151, Korea.

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Issue

Vol. 73, Iss. 17 — 24 October 1994

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