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eess.SP2026
Frequency-switching Coherent Reception for Hardware-efficient High-baud-rate Optical Transmission Experiments
Hiroshi Yamazaki, Kohki Shibahara, Masanori Nakamura +3
We investigate frequency-switching coherent reception (FSCR), a hardware-efficient technique for offline coherent optical signal characterization in laboratory environments, enabli…
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…
eess.SP2025
389.3-Tb/s 1017-km C-band Transmission over Field-Installed 12-Coupled-Core Fiber Cable with >12-Tb/s Spatial MIMO Channels
Akira Kawai, Kohki Shibahara, Megumi Hoshi +16
We demonstrate 4.65-THz WDM/SDM transmission of 140-Gbaud PS-QAM signals over field-installed 12-coupled-core fiber cable with standard cladding diameter, achieving a record 0.455…