1.71 Tb/s Single-Channel and 56.51 Tb/s DWDM Transmission Over 96.5 km Field-Deployed SSMF

We report an industry leading optical dense wavelength division multiplexing (DWDM) field trial with line rates per channel \ge 1.66 Tb/s using 130 GBaud dual-polarization probabilistic constellation shaping 256-ary quadrature amplitude modulation (DP-PCS256QAM) in a high capacity data center inte...

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Bibliographic Details
Published in:IEEE photonics technology letters 2022-02, Vol.34 (3), p.157-160
Main Authors: Pittala, Fabio, Braun, Ralf-Peter, Bocherer, Georg, Schulte, Patrick, Schaedler, Maximilian, Bettelli, Stefano, Calabro, Stefano, Kuschnerov, Maxim, Gladisch, Andreas, Westphal, Fritz-Joachim, Xie, Changsong, Chen, Rongfu, Wang, Qibing, Zheng, Bofang
Format: Article
Language:English
Subjects:
Bit rate
Coherent communications
Data centers
Dense Wavelength Division Multiplexing
Doped fibers
Dual polarization (waves)
Erbium
Erbium-doped fiber amplifiers
fiber optics components
Optical fiber amplifiers
optical fiber communication
Optical fiber polarization
Optical transmitters
Quadrature amplitude modulation
Stimulated emission
Wavelength division multiplexing
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Summary:We report an industry leading optical dense wavelength division multiplexing (DWDM) field trial with line rates per channel \ge 1.66 Tb/s using 130 GBaud dual-polarization probabilistic constellation shaping 256-ary quadrature amplitude modulation (DP-PCS256QAM) in a high capacity data center interconnect (DCI) scenario. This research trial was performed on 96.5 km of field-deployed standard single mode G.652 fiber infrastructure of Deutsche Telekom in Germany employing Erbium-doped fiber amplifier (EDFA)-only amplification. A total of 34 channels were transmitted with 150 GHz spacing for a total fiber capacity of 56.51 Tb/s and a spectral efficiency higher than 11bit/s/Hz. In the single-channel transmission scenario 1.71 Tb/s was achieved over the same link. In addition, we successfully demonstrate record net bitrates of 1.88 Tb/s in back-to-back (B2B) using 130 GBaud DP-PCS400QAM.
ISSN:1041-1135
1941-0174
DOI:10.1109/LPT.2022.3142538