OKI demos 160G bps transmission

Oki demonstrated a 160G bps transmission across a distance of 635 kilometers in Japan.

Oki Electric Industry Co. said on Wednesday that in an experiment, the company pushed 160Gb of data in a second over fiber across a distance of 635 kilometers.

In more practical terms, the test demonstrated the potential to send four movies in a second from Tokyo to Osaka, Oki said.

The manufacturer worked with the National Institute of Information and Communications Technology and used the Japan Gigabit Network II, an optical network research environment available to manufacturers and institutions.

Oki installed optical amplifiers along the network and also used its 160G-bps transceiver as part of the test. The transceiver supports such high transmission speeds by using time division multiplexing and four modulators that create 40G-bps optical signals, the company said. The transceiver then multiplexes the four signals to create one 160G-bps optical signal.

The trial showed that the technology could be used for backbone lines connecting cities such as Tokyo and Osaka, which are 500 kilometers apart, Oki said.

The company plans to commercialize its 160G-bps transceiver and expects the technology to be available after 2010.

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Nancy Gohring

IDG News Service
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