Wideband Steady-State and Pulse Propagation Modeling of a Reflective Quantum-Dot Semiconductor Optical Amplifier

A new time-domain wideband numerical model for simulation of quantum dot-reflective semiconductor optical amplifier (QD-RSOA) steady-state and dynamic behavior, is described. The model is used to investigate 1 ps full-width at half-maximum input Gaussian pulse amplification and also modulation cance...

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Veröffentlicht in:	Journal of lightwave technology 2020-02, Vol.38 (4), p.797-803
Hauptverfasser:	Safari Anzabi, Khalil, Habibzadeh-Sharif, Amir, Connelly, Michael J., Rostami, Ali
Format:	Artikel
Sprache:	eng
Schlagworte:	Bandwidth Broadband Computer simulation Gain Light amplifiers Mathematical model Modeling Modulation Numerical models Optical communication Photonics Predictive models Pulse propagation Quantum dots reflective semiconductor optical amplifier Semiconductor optical amplifiers Steady state Wavelength division multiplexing
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Beschreibung
Zusammenfassung:	A new time-domain wideband numerical model for simulation of quantum dot-reflective semiconductor optical amplifier (QD-RSOA) steady-state and dynamic behavior, is described. The model is used to investigate 1 ps full-width at half-maximum input Gaussian pulse amplification and also modulation cancellation. A large modulation-cancellation dynamic range of about 35 dB, is predicted for high input powers, which is not attainable in bulk and QW RSOAs. The model can be applied to traveling-wave and reflective QD-SOAs. The combination of the unique features of quantum dots and a reflective structure can be used to realize a colorless modulator for wavelength-division multiplexed passive optical networks (WDM PONs).
ISSN:	0733-8724 1558-2213
DOI:	10.1109/JLT.2019.2947648