[WD1] Novel Fiber Transmission and Frequency Comb

10:00 AM - 10:15 AM JST(1:00 AM - 1:15 AM UTC)

[WD1-4] Optical Parametric Frequency Comb Regeneration for Phase-Coherent Signal Processing in a 176 km MCF Link

○Daniele Orsuti¹, Benjamin J. Puttnam², Ruben S. Luís¹, Stefano Gaiani³, Besma Kalla⁴, Pierpaolo Boffi³, Chigo Okonkwo⁴, Jun Sakaguchi¹, Luca Palmieri⁵, Hideaki Furukawa¹ (1.NICT, 2.Microsoft Azure, 3.Politecnico di Milano, 4.Eindhoven University of Technology, 5.University of Padova)

Keywords:

Optical transmitter and receiver subsystems

We exploit the phase coherence of comb carriers for shared DSP across both wavelength and spatial domains. After 176 km, 6 reference channels enable carrier phase recovery of 3(cores)×152×24.5-GBaud PM-64QAM C-band channels, achieving >28-Tb/s/core.