Optical Design and Engineering

Optical logic gates based on semiconductor optical amplifier Mach–Zehnder interferometer: design and simulation

[+] Author Affiliations
Eman M. El-Saeed, Ahmed Abd El-Aziz, Heba A. Fayed, Moustafa H. Aly

Arab Academy for Science, Technology, and Maritime Transport, College of Engineering and Technology, Photonic Research Laboratory, Department of Electronics and Communications Engineering, Alexandria, Egypt

Opt. Eng. 55(2), 025104 (Feb 09, 2016). doi:10.1117/1.OE.55.2.025104
History: Received November 5, 2015; Accepted January 13, 2016
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Abstract.  All-optical logic gates are designed to extend the existing design to a higher number of bits, to use the same gate in multifunctions, and to add new gate designs. This type of gate is based on semiconductor optical amplifier (SOA) nonlinearities, since the SOA can provide a strong change of the refractive index together with high gain. The SOA is used with a Mach–Zehnder interferometer (MZI) forming an SOA-MZI structure which is used to perform the logic gates XOR, NOR, OR, and XNOR. Two binary input data signals are used with different number of bits (4, 6, 8, and 16 bit) at 10 Gbps. This work includes the study of the effect of the number of bits on the received power, minimum bit error rate, and maximum Q-factor.

© 2016 Society of Photo-Optical Instrumentation Engineers

Citation

Eman M. El-Saeed ; Ahmed Abd El-Aziz ; Heba A. Fayed and Moustafa H. Aly
"Optical logic gates based on semiconductor optical amplifier Mach–Zehnder interferometer: design and simulation", Opt. Eng. 55(2), 025104 (Feb 09, 2016). ; http://dx.doi.org/10.1117/1.OE.55.2.025104


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