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

Majlesi Journal of Telecommunication Devices

مقاله 6، دوره 6، شماره 3، آذر 2017   

نوع مقاله: Articles

نویسنده

Ali Farmani^*

Shiraz University

چکیده

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.

کلیدواژه‌ها

en

مراجع

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