AARNet and Cisco successfully demonstrate next generation 400Gbps coherent pluggable optics technology over 4,600km on the Indigo subsea cable
Stand C4316
16th July 2025
AARNet (Australia’s Academic and Research Network) has worked with Cisco to achieve a remarkable milestone with the successful completion of a field trial showcasing the capabilities of cutting-edge 400 Gigabit per second (Gbps) Ultra Long Haul (ULH) pluggable coherent optics technology. Conducted over an incredible distance of 4,600 kilometres on the Indigo Central subsea cable system, which connects Sydney and Perth, this achievement heralds a new era in long-haul optical networking.