{"ID":2825726,"CreatedAt":"2026-06-01T04:54:23.091178241Z","UpdatedAt":"2026-06-01T04:54:23.091178241Z","DeletedAt":null,"paper_url":"https://arxiv.org/abs/2512.20138","arxiv_id":"2512.20138","title":"Net 582-Gb/s C-band and 4$\\times$526-Gb/s O-band IMDD Transmis-sion Using Ultra-broadband InP-DHBT-based Electrical Mixer","abstract":"We successfully transmitted a net 582-Gb/s probabilistically shaped PAM12 C-band signal over 11-km dispersion-shifted fibre and net 4$\\times$526-Gb/s uniform PAM8 O-band signals over 2-km four-core fibre using a single-carrier 216-GBd IMDD system based on a 150-GHz bandwidth InP-DHBT electrical mixer and a thin-film lithium-niobate modulator.","short_abstract":"We successfully transmitted a net 582-Gb/s probabilistically shaped PAM12 C-band signal over 11-km dispersion-shifted fibre and net 4$\\times$526-Gb/s uniform PAM8 O-band signals over 2-km four-core fibre using a single-carrier 216-GBd IMDD system based on a 150-GHz bandwidth InP-DHBT electrical mixer and a thin-film li...","url_abs":"https://arxiv.org/abs/2512.20138","url_pdf":"https://arxiv.org/pdf/2512.20138v1","authors":"[\"Masanori Nakamura\",\"Teruo Jyo\",\"Munehiko Nagatani\",\"Hitoshi Wakita\",\"Miwa Mutoh\",\"Yuta Shiratori\",\"Hiroki Taniguchi\",\"Akira Masuda\",\"Shuto Yamamoto\",\"Fukutaro Hamaoka\",\"Etsushi Yamazaki\",\"Hiroyuki Takahashi\",\"Takayuki Kobayashi\",\"Yutaka Miyamoto\"]","published":"2025-12-23T07:58:47Z","proceeding":"eess.SP","tasks":"[\"eess.SP\"]","methods":"[]","has_code":false}