Application of Semiconductor Optical Amplifiers in High-Speed All-Optical NRZ to RZ Format Conversion

We present two types of 42.6 Gbit/s all-optical non-return-zero (NRZ) to return-zero (RZ) format converters using semiconductor optical amplifiers (SOAs). The converters are based on cross-phase modulation (XPM) and cross-polarisation modulation (XPolM) in SOAs. Both format converters produce a corr...

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Bibliographic Details
Main Authors: Xuelin Yang, Manning, R.J., Mishra, A.K., Webb, R.P., Ellis, A.D., Cotter, D.
Format: Conference Proceeding
Language:eng ; jpn
Subjects:
All-optical signal processing
Clocks
Delay
NRZ to RZ Format conversion
Optical fiber networks
Optical filters
Optical interferometry
Optical pulses
Optical signal processing
Optical wavelength conversion
Semiconductor optical amplifier
Semiconductor optical amplifiers
Space vector pulse width modulation
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Summary:We present two types of 42.6 Gbit/s all-optical non-return-zero (NRZ) to return-zero (RZ) format converters using semiconductor optical amplifiers (SOAs). The converters are based on cross-phase modulation (XPM) and cross-polarisation modulation (XPolM) in SOAs. Both format converters produce a correctly-coded, polarity- preserved RZ signal at the output and have the flexibility of variable NRZ input data wavelength. Error-free operation was achieved for both converters with switching energy below 50 f J/pulse. The format converter based on XPM has the additional advantage of variable duty-cycle of the RZ signal and exhibited negative power penalties.
ISSN:2162-7339
DOI:10.1109/ICTON.2007.4296189