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Single Mach-Zehnder interferometer based Boolean logic gates

Reis, C. ; Chattopadhyay, T ; André, P.S ; Teixeira, A.

Applied Optics Vol. 51, Nº 36, pp. 8693 - 8701, December, 2012.

ISSN (print): 2155-3165
ISSN (online): 1559-128X

Scimago Journal Ranking: 1,04 (in 2012)

Digital Object Identifier: 10.1364/AO.51.008693

In this paper, we demonstrate different optical logic gates using a single Mach-Zehnder interferometer (MZI) with controlled phase modulators in each arm. The operational conditions to obtain 16 optical logic circuits, using the same design, are investigated and are a result of a constructive or destructive interference process. The proposed configuration presents significant low complexity and high scalability and its feasibility is evaluated through numerical simulations.