2006
DOI: 10.1007/s11082-006-0039-0
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Mode Amplification in Inhomogeneous QD Semiconductor Optical Amplifiers

Abstract: We present modelling results investigating the carrier dynamics of an SOA composed of an inhomogeneous array of quantum dots designed to produce broad gain amplification when optically pumped. We use a set of rate equations that describe the QDs inhomogeneity and include an energy dependent occupation factor within each inhomogeneously broadened level and numerically solve them with the propagation equation to investigate the amplification of optical signals in the waveguide. By treating the carrier filling ac… Show more

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Cited by 17 publications
(3 citation statements)
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“…in Fig. 6 of [67], and experimentally in [66]. The dispersion curve is strongly asymmetric, though the zero point is actually not much shifted for this relatively low values of β .…”
Section: Nonlinear Refractive Index and α-Factorsupporting
confidence: 54%
“…in Fig. 6 of [67], and experimentally in [66]. The dispersion curve is strongly asymmetric, though the zero point is actually not much shifted for this relatively low values of β .…”
Section: Nonlinear Refractive Index and α-Factorsupporting
confidence: 54%
“…GaInNAs/GaAs Quantum Well (QW) devices have demonstrated 1.3 µm laser emission [2,3], reduced temperature sensitivity [4] and can be lattice matched to GaAs [2,3].The observed broad band gain has been demonstrated to amplify across its band [5] and to amplify four independent wavelengths simultaneously in the linear regime [6]. Having previously modelled QD amplifiers [7] we will model GaInNAs amplifiers in this paper.…”
Section: Introductionmentioning
confidence: 99%
“…For equal filling of the QDs, an assumption valid for high currents, 320 the rateequations take the following form:…”
Section: Modelling Of the Qds Inside A Vertical Cavitymentioning
confidence: 99%