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An equivalent-layer method for analyzing multiple-quantum-well (MQW) waveguides is presented. This method not only allows the whole waveguide to be treated as a three-layer waveguide but offers exact solutions for the propagation constant of MQW waveguides and the power confinement factor within the MQW structure as well. A comparison between this method and two other three-layer models is given.
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Li et al. (1992) studied this question.
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