1.28 terabit/s (32×40 Gbit/s) WDM transmission system for free space optical communications

E. Ciaramella, Y. Arimoto, G. Contestabile, M. Presi, A. D'Errico, V. Guarino, M. Matsumoto

研究成果: Article査読

177 被引用数 (Scopus)

抄録

We review a novel Free Space Optical (FSO) system that represents a significant breakthrough in the area of FSO communications. The system encompasses a pair of novel terminals: these allow direct and transparent optical connection to common single mode fibers and include a dedicated electronic control unit that effectively tracks the signal beam wandering due to atmospheric turbulence and mechanical vibrations. Further improvement in the signal power stabilization is achieved by means of saturated EDFAs. These solutions allow to realize a new FSO system, which is tested in a double-pass FSO link between two buildings in Pisa, Italy. When the terminals are fed by common WDM signals they allow enough power budget and margins to support a record high capacity transmission (32×40 Gbit/s), with a enormous improvement of stability (six hours with no error burst). During day-long transmission, the system behavior has been deeply characterized to correlate any increase of bit error ratio (BER) to the FSO control parameters.

本文言語English
論文番号5342323
ページ(範囲)1639-1645
ページ数7
ジャーナルIEEE Journal on Selected Areas in Communications
27
9
DOI
出版ステータスPublished - 2009 12

ASJC Scopus subject areas

  • Electrical and Electronic Engineering
  • Computer Networks and Communications

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