Self-Adaptive High Anti-Radiation EDFA for Space Optical Communication Systems

Author

Mi Li ; Wenxiang Jiao ; Yuejiang Song ; Xuping Zhang ; Lingqian Chang

Author_Institution

Inst. of Opt. Commun. Eng., Nanjing Univ., Nanjing, China

Volume

33

Issue

21

fYear

2015

Firstpage

4513

Lastpage

4516

Abstract

In a space optical communication system with an amplification sub-system, the performance of the erbium-doped fiber amplifier (EDFA) will worsen due to the effect of space radiation. Consequently, the EDFA will not work under its optimal state which has been already designed on the ground. To fix this problem, a study on the basic characteristics of EDFA under radiation is conducted. In the simulation tests, the gain of EDFA and the optimal length of the erbium-doped fiber both decrease with the dose of radiation. To dynamically adapt to such effects, a new self-adaptive system is established and makes an improvement of 7 dB in the gain when the radiation dose reaches 5000 Gy. This paper can practically benefit the design of the space optical communication systems.

Keywords

adaptive optics; erbium; optical communication equipment; optical fibre amplifiers; optical fibre communication; amplification subsystem; erbium-doped fiber amplifier; radiation dose; self-adaptive high antiradiation EDFA; simulation tests; space optical communication systems; space radiation effect; Erbium-doped fiber amplifiers; Gain; Optical fiber amplifiers; Optical fiber communication; Space radiation; Erbium-doped fiber amplifier; Free-space optical communication; Radiation effect; free-space optical communication; radiation effect;

fLanguage

English

Journal_Title

Lightwave Technology, Journal of

Publisher

ieee

ISSN

0733-8724

Type

jour

DOI

10.1109/JLT.2015.2478805

Filename

7268788