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Journal Article 40-Gb/s NRZ Wavelength Conversion With 3R Regeneration Using an EA Modulator and SOA Polarization-Discriminating Delay Interferometer
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Authors
Hwan Seok Chung, Ryo Inohara, Kohsuke Nishimura, Masashi Usami
Issue Date
2006-01
Citation
IEEE Photonics Technology Letters, v.18, no.2, pp.337-339
ISSN
1041-1135
Publisher
IEEE
Language
English
Type
Journal Article
DOI
https://dx.doi.org/10.1109/LPT.2005.861963
Abstract
We propose and demonstrate, for the first time, to our knowledge, a 40-Gb/s nonreturn-to-zero wavelength converter with 3R regeneration based on an electroabsorption modulator and semiconductor optical amplifier polarization-discriminating delay interferometer. The results show that the root mean square timing jitter and optical signal-to-noise ratio (OSNR) of the regenerated signal are kept to 0.68 ps and higher than 40 dB/0.1 nm, respectively. In addition, the measured receiver sensitivity (BER = 10 -9) is improved from -19 to -25.2 dBm at the input OSNR of 26 dB/0.1 nm. © 2005 IEEE.
KSP Keywords
3R regeneration, Delay interferometer, Root mean square(RMS), Semiconductor optical amplifiers(SOAs), Signal noise ratio(SNR), electroabsorption modulator(EAM), nonreturn-to-zero(NRZ), receiver sensitivity, timing jitter, wavelength conversion, wavelength converter