Simulation of an all-optical XOR gate with a semiconductor optical amplifier Mach-Zehnder interferometer sped up by a continuous-wave assistant light

2005 ◽  
Vol 4 (8) ◽  
pp. 524 ◽  
Author(s):  
Wei Ji ◽  
Min Zhang ◽  
Peida Ye
Keyword(s):  
Semiconductor Optical Amplifier ◽  
Continuous Wave ◽  
Optical Amplifier ◽  
Zehnder Interferometer ◽  
Xor Gate ◽  
All Optical ◽  
Mach Zehnder Interferometer

A NEW STRUCTURE FOR ALL-OPTICAL THREE-INPUT XOR LOGIC GATE BASED ON SEMICONDUCTOR OPTICAL AMPLIFIER MACH–ZEHNDER INTERFEROMETER

2014 ◽  
Vol 28 (07) ◽  
pp. 1450052
Author(s):  
HAMED DEHDASHTI JAHROMI ◽  
ALI BINAIE ◽  
ABBAS ZARIFKAR ◽  
MOHAMMAD HOSSEIN SHEIKHI
Keyword(s):  
Semiconductor Optical Amplifier ◽  
Continuous Wave ◽  
Logic Gate ◽  
Optical Amplifier ◽  
Zehnder Interferometer ◽  
Optical Data ◽  
All Optical ◽  
Minimum Number ◽  
Exclusive Or ◽  
Mach Zehnder Interferometer

In this paper the design and simulation of an all-optical three-input exclusive-OR (XOR) gate based on semiconductor optical amplifier-Mach–Zehnder interferometer (SOA-MZI) configuration is presented. This gate is constructed of three semiconductor optical amplifiers placed at the arms of the two coupled Mach–Zehnder interferometers. The outputs of these two MZIs are combined at the output port to form the final signal. The proposed scheme does not need a continuous wave (CW) laser for its operation and is designed so that the minimum number SOAs are employed. Theoretical analyses and simulations show that this structure acts as an all-optical three-input XOR logic gate which has many applications in optical data communications.

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