Fully Coherent Mobile Fronthaul Transmission with a Very Large Loss Budget by Using Injection-Locked Heterodyne Detection

Conference: ECOC 2024 - 50th European Conference on Optical Communication
09/22/2024 - 09/26/2024 at Frankfurt, Germany

Proceedings: ITG-Fb. 317: ECOC 2024

Pages: 3Language: englishTyp: PDF

Authors:
Kasai, Keisuke; Shirahata, Koichi; Yoshida, Masato; Hirooka, Toshihiko; Nakazawa, Masataka; Kobayashi, Toshiyuki; Azuma, Uichiro

Abstract:
We demonstrate that injection-locked-heterodyne-detection (IL-HD) has a 9 dB larger loss budget than self-heterodyne detection in a fully coherent transmission. With IL-HD, a 16Gbit/s-256 QAM signal was transmitted over a 10 km-SMF and 20 m wirelessly at 28 GHz-IF.