Dynamics of pulse amplification in tapered-waveguide quantum-dot semiconductor optical amplifiers
Sign Up to like & getrecommendations! Published in 2020 at "Optik"
DOI: 10.1016/j.ijleo.2020.164396
Abstract: Abstract Tapered-waveguide quantum dot semiconductor optical amplifiers (TW-QDSOAs) have been modeled using numerical calculation of the rate and propagation equations in this article and the amplification characteristics and dynamics of pulse propagation in non-tapered QDSOA,… read more here.
Keywords: tapered waveguide; dot semiconductor; non; quantum dot ... See more keywords
ZnCdSe/ZnSe quantum-dot semiconductor optical amplifiers
Sign Up to like & getrecommendations! Published in 2017 at "Superlattices and Microstructures"
DOI: 10.1016/j.spmi.2016.11.048
Abstract: Abstract Gain of CdZnSe quantum dot (QD) semiconductor optical amplifiers (SOAs) is studied theoretically using non-Markovian gain model including many-body effects. The calculations are done at three mole fractions. Spontaneous emission and noise figure of… read more here.
Keywords: dot semiconductor; gain; quantum dot; semiconductor optical ... See more keywords
Carrier mobility, lifetime and diffusion length in optically-thin quantum dot semiconductor films.
Sign Up to like & getrecommendations! Published in 2020 at "ACS applied materials & interfaces"
DOI: 10.1021/acsami.0c06781
Abstract: We propose a method to measure the fundamental parameters that govern diffusion transport in optically-thin quantum-dot semiconductor films, and apply it to quantum-dot materials with different ligands. Thin films are excited optically, and the profile… read more here.
Keywords: diffusion; dot semiconductor; thin quantum; optically thin ... See more keywords
Four-Wave Mixing in Quantum-Dot Semiconductor Optical Amplifiers: A Detailed Analysis of the Nonlinear Effects
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DOI: 10.1109/jstqe.2017.2681803
Abstract: We introduce a self-consistent approach for the description of the nonlinear light propagation in InAs/InGaAs quantum-dot semiconductor optical amplifiers and, using it, numerically analyze the four-wave mixing conversion efficiency in such amplifiers. This approach is… read more here.
Keywords: dot semiconductor; four wave; quantum dot; wave mixing ... See more keywords
Reconfigurable All-Optical Logic Gates (AND, NOR, NOT, OR) With Quantum-Dot Semiconductor Optical Amplifier and Optical Filter
Sign Up to like & getrecommendations! Published in 2021 at "IEEE Journal of Selected Topics in Quantum Electronics"
DOI: 10.1109/jstqe.2020.3023807
Abstract: All-optical logic gates are indispensable modules for executing exclusively by means of light fundamental Boolean operations. Despite intense research in this field, most efforts have not treated these gates in a joint design and operating… read more here.
Keywords: dot semiconductor; quantum dot; optical filter; logic gates ... See more keywords