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Theoretical analysis of all-optical 2R regeneration in a SOA-based Mach–Zehnder interferometer

✍ Scribed by Yabin Ye; Xiaoping Zheng; Hanyi Zhang; Xiang Teng; Keying Wu; Xiaohong Ma; Yili Guo

Publisher
Elsevier Science
Year
2002
Tongue
English
Weight
139 KB
Volume
34
Category
Article
ISSN
0030-3992

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✦ Synopsis

All-optical 2R regeneration in a semiconductor optical ampliÿer-based Mach-Zehnder interferometer is theoretically analyzed. It is shown that the chirp of the regenerated signal is positive, while the input signal has no chirp. The peak extinction ratio (ER) of the regenerated signal is associated with the input wavelength and there exists an input wavelength corresponding to the largest ER of the output signal. The output peak ER is also found in uenced by the input power, with lower input power getting higher peak ER.

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## Abstract The extinction ratio, switching contrast, and amplitude modulation (AM) characteristics of a semiconductor optical amplifier (SOA) based Mach–Zehnder interferometer (MZI) as an all‐optical add–drop multiplexer (AO–ADM) are analyzed. It shows that the switching performance can be improve