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Reflected degenerate four‐wave mixing on GaAs single quantum wells
1.I. D. Abella, N. A. Kurnitt, and R. S. Hartmanm, Phys. Rev. 57, 391 (1966).
2.A. L. Smirl, T. F. Boggess, B. S. Wherrett, G. P. Perryman, and A. Miller, IEEE J. Quantum Electron. QE‐19, 690 (1983).
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4.L. Schultheis, J. Kuhl, A. Honold, and C. W. Tu, Phys. Rev. Lett. 57, 1797 (1986);
4.L. Schultheis, J. Kuhl, A. Honold, and C. W. Tu, in Proceedings of the 18th International Conference on the Physics of Semiconductors, edited by O. Engström (World Scientific, Singapore, 1987), p. 1397.
5.See, for example, J. C. AuJeung, in Optical Phase Conjugation, edited by R. A. Fisher (Academic, New York, 1983), p. 285.
6.L. Schultheis and J. Hegarty, J. Phys. (Paris) Colloq. C7, 167 (1985);
6.T. Yajima and Y. Taira, J. Phys. Soc. Jpn. 47, 1620 (1979).
7.See, for example, F. Zernike and J. E. Midwinter, Applied Nonlinear Optics (Wiley, New York, 1973), p. 41.
8.The effect of absorption of the exciting pulses and of the nonlinear signal can be calculated from the coupled wave equations for the electric fields of the exciting pulses and and the nonlinear signal (assuming perfect phase matching): The solution is with α the absorption coefficient, the nonlinear coefficient, and the layer thickness. With the experimentally determined we obtain a ratio between the signals of the two layers in forward direction of This simple model overestimates the absorption effect because the wings of the exciton absorption lines (excited with the power spectrum of the pulses broader than the exciton linewidth) contribute to the signal with a smaller absorption effect than calculated.
9.For details of the different arrangements and the studied gratings see L. Schultheis, J. Kuhl, A. Honold, and C. W. Tu, Phys. Rev. Lett. 57, 1797 (1986).
10.A. Honold, L. Schultheis, J. Kuhl, and C. W. Tu (unpublished).
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