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Yokogawa and Fujitsu Co-develop DQPSK Optical Technology to Enable 40Gbps - Video Report.

Tokyo, Japan, June 26, 2007 - (JCN) - In April 2007, Yokogawa and Fujitsu collaborated to develop the world's first differential quadrature phase shift keying (DQPSK) technology to enable 40Gbps in optical communications.

With the optical fiber network becoming more prevalent these days with every home directly accessing optical fiber, there is a call for optical transmission network between cities to transfer massive data than ever before.

The optical transmission module is compact at 110x320x40mm and consumes 35W of electricity.

The partners have already produced 100 of these modules and performed a feasibility test to ensure that the module works reliably under changes in operationing environment due to fluctuations in temperature and power supply voltage.

This development contributes to the core network between Tokyo and Osaka over a distance of 800 km.

View the video report at

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Publication:JCNN News Summaries
Geographic Code:9JAPA
Date:Jun 28, 2007
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