Design and verification of a space-grade 10 Gbit/s high-speed transponder for an optical feeder link

Hideaki Kotake; Junichi Nakamura; Takuo Goda; Yoichi Hashimoto; Yutaka Oshima

doi:10.1117/12.2504367

26 March 2019 Design and verification of a space-grade 10 Gbit/s high-speed transponder for an optical feeder link

Hideaki Kotake, Junichi Nakamura, Takuo Goda, Yoichi Hashimoto, Yutaka Oshima

Proceedings Volume 10910, Free-Space Laser Communications XXXI; 1091012 (2019) https://doi.org/10.1117/12.2504367
Event: SPIE LASE, 2019, San Francisco, California, United States

Abstract

We present the transponder design and verification to obtain over 10 Gbit/s capability for an optical feeder link. The transponder employing a transmitter and a receiver supports differential phase shift keying (DPSK) optical communication. In order to provide receiver stability against optical power fluctuations, we utilize the terrestrial technology and devices such as clock data recovery (CDR), a hard-decision forward error correction (FEC) and temperature control of delay line interferometer (DLI) to realize the enhancement of dynamic range of received optical power. We have also investigated reliability of terrestrial devices including photonics integration circuit (PIC) type DLI and CDR for satellites.

Citation Download Citation

Hideaki Kotake, Junichi Nakamura, Takuo Goda, Yoichi Hashimoto, and Yutaka Oshima "Design and verification of a space-grade 10 Gbit/s high-speed transponder for an optical feeder link", Proc. SPIE 10910, Free-Space Laser Communications XXXI, 1091012 (26 March 2019); https://doi.org/10.1117/12.2504367

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