2 Tb/s all-optical gates based on two-photon absorption in quantum dot semiconductor optical amplifiers

•Nonlinear effect of TPA on all-optical gates are realized using QDSOA at 2 Tb/s.•Impact of critical performance parameters on QF is numerically analyzed.•All-optical operations are executed with the employed scheme with twice as high QF than without TPA. The performance of all-optical AND, OR, and...

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Published in:Optics and laser technology 2019-04, Vol.112, p.442-451
Main Authors: Kotb, Amer, Zoiros, Kyriakos E., Guo, Chunlei
Format: Article
Language:English
Subjects:
All-optical logic gates
Boolean algebra
Boolean functions
Delayed interferometer
Light amplifiers
Mach-Zehnder interferometer
Mach-Zehnder interferometers
Photon absorption
Q factors
Quality assessment
Quantum dot semiconductor optical amplifier
Quantum dots
Semiconductor optical amplifiers
Two-photon absorption
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container_title Optics and laser technology
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creator Kotb, Amer
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description •Nonlinear effect of TPA on all-optical gates are realized using QDSOA at 2 Tb/s.•Impact of critical performance parameters on QF is numerically analyzed.•All-optical operations are executed with the employed scheme with twice as high QF than without TPA. The performance of all-optical AND, OR, and NAND gates based on quantum dot semiconductor optical amplifiers (QDSOAs), which are either incorporated in properly configured Mach-Zehnder interferometer or combined with a delayed interferometer, is theoretically investigated at a data rate of 2 Tb/s when the nonlinear effect of two-photon absorption (TPA) is exploited in these active devices. The impact of the input signal and QDSOA key parameters on the quality factor (QF) is assessed. The obtained results indicate that these Boolean functions can be executed at 2 Tb/s with almost as twice as high QF than without TPA.
doi_str_mv 10.1016/j.optlastec.2018.11.048
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subjects All-optical logic gates
Boolean algebra
Boolean functions
Delayed interferometer
Light amplifiers
Mach-Zehnder interferometer
Mach-Zehnder interferometers
Photon absorption
Q factors
Quality assessment
Quantum dot semiconductor optical amplifier
Quantum dots
Semiconductor optical amplifiers
Two-photon absorption
title 2 Tb/s all-optical gates based on two-photon absorption in quantum dot semiconductor optical amplifiers
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