TY - JOUR
T1 - Evaluation of Real-Time 8 x 56.25 Gb/s (400G) PAM-4 for Inter-Data Center Application Over 80 km of SSMF at 1550 nm
AU - Eiselt, Nicklas
AU - Wei, Jinlong
AU - Griesser, Helmut
AU - Dochhan, Annika
AU - Eiselt, Michael H.
AU - Elbers, Jörg-Peter
AU - Vegas Olmos, Juan José
AU - Tafur Monroy, Idelfonso
PY - 2017
Y1 - 2017
N2 - Leveraging client optics based on intensity modulation and direct detection for point-to-point inter-data center interconnect applications is a cost and power efficient solution, but challenging in terms of optical signal-to-noise ratio requirements and chromatic dispersion tolerance. In this paper, real-time 8 x 28.125 GBd dense wavelength division multiplexing four-level pulse amplitude modulation (PAM-4) transmission over up to 80 km standard single mode fiber in the C-Band is demonstrated. Using a combination of optical dispersion compensation and electronic equalization, results below a bit error rate of 1e-6 are achieved and indicate sufficient margin to transmit over even longer distances, if an forward error correction (FEC) threshold of 3.8e-3 is assumed. Moreover, single channel 28.125 GBd PAM4 is evaluated against optical effects such as optical bandwidth limitations, chromatic dispersion tolerance, and optical amplified spontaneous emission noise.
AB - Leveraging client optics based on intensity modulation and direct detection for point-to-point inter-data center interconnect applications is a cost and power efficient solution, but challenging in terms of optical signal-to-noise ratio requirements and chromatic dispersion tolerance. In this paper, real-time 8 x 28.125 GBd dense wavelength division multiplexing four-level pulse amplitude modulation (PAM-4) transmission over up to 80 km standard single mode fiber in the C-Band is demonstrated. Using a combination of optical dispersion compensation and electronic equalization, results below a bit error rate of 1e-6 are achieved and indicate sufficient margin to transmit over even longer distances, if an forward error correction (FEC) threshold of 3.8e-3 is assumed. Moreover, single channel 28.125 GBd PAM4 is evaluated against optical effects such as optical bandwidth limitations, chromatic dispersion tolerance, and optical amplified spontaneous emission noise.
KW - Optical fibers
KW - Optical noise
KW - Optical signal processing
KW - Optical receivers
KW - Optical fiber sensors
KW - pulse amplitude modulation
KW - DWDM transmission
KW - modulation
KW - optical fiber communication
U2 - 10.1109/JLT.2016.2617283
DO - 10.1109/JLT.2016.2617283
M3 - Journal article
SN - 0733-8724
VL - 35
SP - 955
EP - 962
JO - Journal of Lightwave Technology
JF - Journal of Lightwave Technology
IS - 4
ER -