Zhang, H., Kavanagh, N., Li, Z., Zhao, J., Ye, N., Chen, Yong, Wheeler, N.V., Wooler, J.P., Hayes, J.R., Sandoghchi, S.R., Poletti, F., Petrovich, M.N., Alam, S.U., Phelan, R., O'Carroll, J., Kelly, B., Grüner-Nielsen, L., Richardson, D.J., Corbett, B. and Garcia Gunning, F.C. (2015) 100 Gbit/s WDM transmission at 2 µm: transmission studies in both low-loss hollow core photonic bandgap fiber and solid core fiber. Optics Express, 23 (4), 4946-4951. (doi:10.1364/OE.23.004946).
Abstract
We show for the first time 100 Gbit/s total capacity at 2 µm waveband, using 4 × 9.3 Gbit/s 4-ASK Fast-OFDM direct modulation and 4 × 15.7 Gbit/s NRZ-OOK external modulation, spanning a 36.3 nm wide wavelength range. WDM transmission was successfully demonstrated over 1.15 km of low-loss hollow core photonic bandgap fiber (HC-PBGF) and over 1 km of solid core fiber (SCF). We conclude that the OSNR penalty associated with the SCF is minimal, while a ~1-2 dB penalty was observed after the HC-PBGF probably due to mode coupling to higher-order modes.
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