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Nanoscience & Nanotechnology-Asia

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ISSN (Print): 2210-6812
ISSN (Online): 2210-6820

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Review Article

Frequency Encoded All Optical Tri-state Logic Gates NOT and NAND Using Semiconductor Optical Amplifier Based Interferometric Switches

Author(s): K. Maji, K. Mukherjee* and A. Raja

Volume 10, Issue 4, 2020

Page: [369 - 380] Pages: 12

DOI: 10.2174/2210681209666190620110027

Price: $65

Abstract

All optical tri-state frequency encoded logic gates NOT and NAND are proposed and numerically investigated using TOAD based interferometric switch for the first time to the best of our knowledge. The optical power spectrum, extinction ratio, contrast ration, and amplified spontaneous noise are calculated to analyze and confirm practical feasibility of the gates. The proposed device works for low switching energy and has high contrast and extinction ratio as indicated in this work.

Keywords: Logic gate, interferometric switch, semiconductor optical amplifier, soliton, gain saturation, noise power.

Graphical Abstract

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