READ ME File For 'Experimental demonstration of single-span 100-km O-band 4×50-Gb/s CWDM direct-detection transmission' Dataset DOI: https://doi.org/10.5258/SOTON/D2299 ReadMe Author: Yang Hong, University of Southampton This dataset supports the publication: YANG HONG, NATSUPA TAENGNOI, KYLE R. H. BOTTRILL, NARESH K. THIPPARAPU, YU WANG, JAYANTA K. SAHU, DAVID J. RICHARDSON, AND PERIKLIS PETROPOULOS Experimental demonstration of single-span 100-km O-band 4×50-Gb/s CWDM direct-detection transmission Optics Express https://doi.org/10.1364/OE.457985 This dataset contains: Data supporting the following figures: Fig. 2. Achievable reach versus bandwidth of electrical signal at the wavelengths of 1330.6 nm, 1343.1 nm, 1351.1 nm, and 1360.0 nm. Fig. 3. Simulation results of BER versus SNR after 50-Gb/s transmission in 100-km length of SMF: (a) Nyquist OOK and (b) KK-QPSK. Fig. 4. Simulation results of BER versus the amount of CD for 50-Gb/s transmission at 1360.0 nm using: (a) Nyquist OOK and (b) KK-QPSK. Fig. 6. Optical spectrum of the signal at the 1330.6-nm channel after the MZM in the case of: (a) Nyquist OOK transmission, and (b) KK-QPSK transmission. Fig. 7. Gain performance of the two BDFAs used in the experiments. Fig. 8. BER results under different OSNRs of the B2B link at (a) 1330.6 nm, (b) 1343.1 nm, (c) 1351.1 nm, and (d) 1360.0 nm. Fig. 9. BER versus total launch power at the 1330.6-nm channel: (a) after 75-km SMF, and (b) after 100-km SMF. Fig. 10. BER results under different OSNRs of the CWDM system after the 75-km length of SMF: (a) 1330.6-nm, (b) 1343.1-nm, (c) 1351.1-nm, and (d) 1360.0-nm channel. Fig. 13. BER results under different OSNRs of the CWDM system after 100-km length of SMF: (a) 1330.6-nm, (b) 1343.1-nm, (c) 1351.1-nm, and (d) 1360.0-nm channel. Date of data collection: October, 2021 Information about geographic location of data collection: University of Southampton, U.K. Licence: CCBY Related projects: Engineering and Physical Sciences Research Council (EP/P030181/1, EP/P003990/1, EP/S002871/1). Date that the file was created: July, 2022