NOR gate based on QD-SOA at 250 Gbit/s

Amer Kotb

doi:10.1007/s11082-013-9661-9

NOR gate based on QD-SOA at 250 Gbit/s

Amer Kotb^*

^*Corresponding author for this work

Department of Physics

Research output: Contribution to journal › Article › peer-review

23 Citations (Scopus)

Abstract

The performance of all-optical logic NOR gate based on quantum-dot- semiconductor optical amplifier (QD-SOA) is simulated. By solving the rate equations of QD-SOAs when incorporated in the arms of a Mach-Zehnder interferometer the performance of NOR gate is numerically investigated. The model takes into account the impact of the amplified spontaneous emission, the input pulse energy and the injection current density on the system's quality factor. Results show that NOR gate using QD-SOA is capable of operating at speeds of 250 Gbit/s with proper quality-factor.

Original language	English
Pages (from-to)	473-480
Number of pages	8
Journal	Optical and Quantum Electronics
Volume	45
Issue number	6
DOIs	https://doi.org/10.1007/s11082-013-9661-9
Publication status	Published - Jun 2013

Keywords

Mach-Zehnder interferometer
Optical logic
Quantum dot
Semiconductor optical amplifier

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10.1007/s11082-013-9661-9

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AB - The performance of all-optical logic NOR gate based on quantum-dot- semiconductor optical amplifier (QD-SOA) is simulated. By solving the rate equations of QD-SOAs when incorporated in the arms of a Mach-Zehnder interferometer the performance of NOR gate is numerically investigated. The model takes into account the impact of the amplified spontaneous emission, the input pulse energy and the injection current density on the system's quality factor. Results show that NOR gate using QD-SOA is capable of operating at speeds of 250 Gbit/s with proper quality-factor.

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NOR gate based on QD-SOA at 250 Gbit/s

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