3 papers
eess.SP2025
Net 582-Gb/s C-band and 4526-Gb/s O-band IMDD Transmis-sion Using Ultra-broadband InP-DHBT-based Electrical Mixer
Masanori Nakamura, Teruo Jyo, Munehiko Nagatani +11
We successfully transmitted a net 582-Gb/s probabilistically shaped PAM12 C-band signal over 11-km dispersion-shifted fibre and net 4526-Gb/s uniform PAM8 O-band signals ov…
physics.optics2025
133-Tbps 1040-km (1380 km) Lumped-Amplified Transmission Over 22 THz in S-to-U-Band Using Hybrid Multiband Repeater with PPLN-Based Optical Parametric Amplifiers and EDFAs
Shimpei Shimizu, Takayuki Kobayashi, Masashi Abe +14
We demonstrated 22.05-THz four-band long-haul transmission with a S-to-U-band lumped repeater consisting of PPLN-based optical parametric amplifiers and EDFAs over an 80-km-span SM…
physics.optics2025
Programmable Photonic Unitary Processor Enables Parametrized Differentiable Long-Haul Spatial Division Multiplexed Transmission
Mitsumasa Nakajima, Kohki Shibahara, Kohei Ikeda +4
The explosive growth of global data traffic demands scalable and energy-efficient optical communication systems. Spatial division multiplexing (SDM) using multicore or multimode fi…