Calculation of confinement factors for multiple-quantum-well optical amplifiers by the effective-index model

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Original languageEnglish
Pages (from-to)275-278
Journal / PublicationMicrowave and Optical Technology Letters
Issue number4
Publication statusPublished - 20 May 2000


The effective-index model is examined for the calculation of the confinement factors of the TE and TM modes of a multiple-quantum-well (MQW) waveguide amplifier. When the confinement factors for the barrier and well layers of the MQW structure are calculated separately, the effective-index model, when applied to the TM mode, must be corrected with the actual refractive indexes of the corresponding layers. The usefulness of the model is demonstrated with a design of a polarization-insensitive MQW optical amplifier.

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