A Self-Consistent Numerical Method for Calculation of Steady-State Characteristics of Traveling-Wave and Reflective SOAs

This paper presents a detailed numerical model of reflective and traveling-wave semiconductor optical amplifiers (SOAs), based on a self-consistent iteration method. The method is fully transparent to the input parameters and provides stable and efficient convergence of all relevant SOA variables as...

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Bibliographic Details
Published in:IEEE journal of selected topics in quantum electronics 2013-09, Vol.19 (5), p.1-11
Main Authors: Totovic, Angelina R., Crnjanski, Jasna V., Krstic, Marko M., Masanovic, Milan L., Gvozdic, Dejan M.
Format: Article
Language:English
Subjects:
8 × 8 k.p method
Carrier density
Charge carrier density
Convergence
Gain
Iterative methods
Materials
Mathematical analysis
Mathematical model
Mathematical models
Multi-quantum well (MQW)
Numerical models
Photonics
polarization insensitive SOA
Quantum well devices
reflective SOA
self-consistent numerical method
semiconductor device modeling
Semiconductor optical amplifiers
Spectra
traveling-wave SOA
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Summary:This paper presents a detailed numerical model of reflective and traveling-wave semiconductor optical amplifiers (SOAs), based on a self-consistent iteration method. The method is fully transparent to the input parameters and provides stable and efficient convergence of all relevant SOA variables as long as the sufficient number of previous iterations is taken into account. The model accounts for the detailed spectral and carrier density dependence of the radiative recombination rate, material gain, refractive index, and confinement factor. The analysis of unstrained bulk and strained multi-quantum well polarization insensitive SOAs based on this model provides a deep and detailed insight into the device internal state, confirming that spectral and carrier density material dependencies critically influence the modeling results.
ISSN:1077-260X
1558-4542
DOI:10.1109/JSTQE.2013.2263118