Optical 1’s and 2’s complement devices using lithium-niobate-based waveguide

Pal, Amrindra; Kumar, Santosh; Sharma, Sandeep

doi:10.1117/1.oe.55.12.125104

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Cited by 6 publications

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BDD‐based optimized majority/minority gate using electro‐optic Mach‐Zehnder interferometer

Chattopadhyay

2024

Micro & Optical Tech Letters

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In this article, an optical majority/minority circuit has been designed using four electro‐optic Mach‐Zehnder interferometers. The binary decision diagram (BDD) is used to optimize the Boolean logical expression. In this design we get two outputs, one performs majority logic and the other performs minority logic simultaneously. Numerical simulation has been done with the obtained data from the beam propagation method. Pseudo‐eye diagram is also plotted to find amplitude modulation (AM) and extinction ratio (ER). AM and ER are found nearly 0.4 and 13 dB, respectively. A new parameter, the optical circuit complexity factor (OCC) factor has been calculated and from the result, it has been shown that the proposed design is more optimized than other majority/minority gate designs so far.

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