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40-Gb/s NRZ wavelength conversion with 3R regeneration using an EA modulator and SOA polarization-discriminating delay interferometer

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4 Author(s)
Hwan Seok Chung ; Opt. Commun. Res. Center, Electron. & Telecommun. Res. Inst., Daejon, South Korea ; Inohara, R. ; Nishimura, K. ; Usami, Masashi

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.

Published in:

Photonics Technology Letters, IEEE  (Volume:18 ,  Issue: 2 )

Date of Publication:

Jan. 15, 2006

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