Design status of the development for a GEO-to-ground optical feeder link, HICALI

Yasushi Munemasa; Tetsuharu Fuse; Toshihiro Kubo-oka; Hiroo Kunimori; Dimitar R. Kolev; Alberto Carrasco-Casado; Hideki Takenaka; Yoshihiko Saito; Phuc Viet Trinh; Kenji Suzuki; Yoshisada Koyama; Morio Toyoshima

doi:10.1117/12.2291881

15 February 2018 Design status of the development for a GEO-to-ground optical feeder link, HICALI

Yasushi Munemasa, Tetsuharu Fuse, Toshihiro Kubo-oka, Hiroo Kunimori, Dimitar R. Kolev, Alberto Carrasco-Casado, Hideki Takenaka, Yoshihiko Saito, Phuc Viet Trinh, Kenji Suzuki, Yoshisada Koyama, Morio Toyoshima

Author Affiliations +

Proceedings Volume 10524, Free-Space Laser Communication and Atmospheric Propagation XXX; 105240F (2018) https://doi.org/10.1117/12.2291881
Event: SPIE LASE, 2018, San Francisco, California, United States

Abstract

Recently, satellite broadband communication services using Ka-band are emerging all over the world, some of them with capacities in excess of 100 Gbps. However, as the radio bandwidth resources become exhausted, high-speed optical communication can be used instead to achieve ultra-broadband communications. The National Institute of Information and Communications Technology (NICT) in Japan has more than 20 years of experience in R&D of space laser communications, with important milestones like ETS-VI (Engineering Test Satellite VI), OICETS, and SOTA. We are currently developing a laser-communication terminal called “HICALI”, which goal is to achieve 10 Gbps-class space communications in the 1.5-μm band between Optical Ground Stations (OGSs) and a next generation high-throughput satellite (called ETS-IX) with a hybrid communication system using radio and optical frequencies, which will be launched into a geostationary orbit in 2021. The development of test and a breadboard model for HICALI has been conducted for several years and we are now carrying out an engineering model as well as designing the OGSs segment. In this paper, we describe concepts and current design status of the HICALI system.

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Yasushi Munemasa, Tetsuharu Fuse, Toshihiro Kubo-oka, Hiroo Kunimori, Dimitar R. Kolev, Alberto Carrasco-Casado, Hideki Takenaka, Yoshihiko Saito, Phuc Viet Trinh, Kenji Suzuki, Yoshisada Koyama, and Morio Toyoshima "Design status of the development for a GEO-to-ground optical feeder link, HICALI", Proc. SPIE 10524, Free-Space Laser Communication and Atmospheric Propagation XXX, 105240F (15 February 2018); https://doi.org/10.1117/12.2291881

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