Quantum-Dot Semiconductor Optical Amplifier: Performance and Application for Optical Logic Gates

  • Ali Farmani Shiraz University

Abstract

We proposed a novel structure of ultrafast all optical Feynman logic gate based on the cross-phase modulation that is principle nonlinear effect in a quantum dot semiconductor optical amplifier assisted with a Mach-Zehnder interferometer at the wavelength of 1.55 µm. To realize ultrafast mechanism, an active layer with a thickness of 1.7-µm, and the confinement factor of 0.75 and 0.7 respectively for both TE0 and TM0 modes, are provided. By solving the rate equations, a gain difference up to 0.1 dB has been obtained. The proposed structure has the potential application in advanced optical devices such as optical memristors.

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Published
2017-09-27
How to Cite
Farmani, A. (2017). Quantum-Dot Semiconductor Optical Amplifier: Performance and Application for Optical Logic Gates. Majlesi Journal of Telecommunication Devices, 6(3). Retrieved from http://journals.iaumajlesi.ac.ir/td/index/index.php/td/article/view/428
Section
Articles