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Coupled GaAs multiple-quantum-well channel waveguides including quadratic electrooptic effect

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2 Author(s)
Tsang, L. ; Dept. of Electr. Eng., Washington Univ., Seattle, WA, USA ; Chuang, S.L.

Two coupled channel waveguides using GaAs multiple quantum wells are investigated using an improved coupled-mode theory for anisotropic waveguides and the effective index method. The quadratic electrooptic effect in the multiquantum-well structures is taken into consideration. It is shown that only a moderate electric field for multiquantum-well waveguides is necessary to achieve the optical power switching compared with that required for a bulk GaAs waveguide

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Lightwave Technology, Journal of  (Volume:6 ,  Issue: 6 )