Journal
JOURNAL OF LIGHTWAVE TECHNOLOGY
Volume 22, Issue 12, Pages 2808-2815Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/JLT.2004.833282
Keywords
all-optical networks; all-optical signal processing; Mach-Zehnder interferometer (MZI); semiconductor optical amplifiers (SOAs); XOR
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A novel scheme for all-optical exclusive-OR (XOR) operating at 160 Gb/s is proposed and analyzed by means of numerical simulations. It consists of a Mach-Zehnder interferometer (NIZI) where a semiconductor optical amplifier (SOA) is placed in each of its arms. This SOA-MZI setup is coupled to a delay interferometer, which acts as a signal regenerator. It is shown that error-free operation can be achieved at a data rate of 160 Gb/s, indicating that the proposed scheme is not limited by the SOA recovery time.
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