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  1. Article

    Open Access

    Automated numerical characterization of dilute semiconductors per comparison with luminescence

    This paper combines analytical approximations for the optical absorption and luminescence of semiconductors with trust region-reflective methods, delivering a robust numerical characterization method to be use...

    X. Yang, C. I. Oriaku, J. P. Zubelli, M. F. Pereira in Optical and Quantum Electronics (2017)

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  2. No Access

    Chapter and Conference Paper

    Anisotropic Medium Approach for the Optical Nonlinearities of Dilute Nitride Superlattices

    In this paper we investigate optical nonlinearities in semiconductor superlatitces designed with alternate layers of dilute nitride, GaAsN quantum wells and AlGaAs and barriers. The anisotropic medium approach...

    C. I. Oriaku, T. J. Spencer, M. F. Pereira in THz for CBRN and Explosives Detection and … (2017)

  3. No Access

    Article

    Simulations of mid infrared emission of InAsN semiconductors

    This paper delivers an approximation to the complex many body problem of luminescence in semiconductors to the case of mid infrared luminescence of dilute nitrides. The results are compared with recent experim...

    C. I. Oriaku, M. F. Pereira in Optical and Quantum Electronics (2015)