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Photonic technology is an important solution to achieve power-saving routers/switches for green networks. As networking is a worldwide matter, and as the power consumed by routers and switches is rapidly increasing, power-efficient green networks have become a subject of great interest. The main issue of green networking is relieving the increasing power consumption, and photonic technologies will...
Electric power consumed by routers and switches is rapidly increasing with expanding flow of information. To suppress the increasing power consumption, optics has been expected to play an important role for interconnects of such network equipments. We describe the advanced optical interconnecting technologies: highly-efficient optical devices and electrical circuits, and their integration for compact...
In this paper, future requirements we believe that will be needed for achieving power efficient routers are shown. The optical backplane is a proposal technology we are working on, which enables a high-speed and power efficient data transmission in backplane of routers and switches, by connecting the electronic devices together with optical paths. It is effective for edge routers and switches which...
We worked on the physical layer model for implementing the optical DQPSK transmission function. In order to enable a high speed DQPSK transmission, a signal multiplexing and de-multiplexing module was needed. The multiplexing and de-multiplexing module exchanges a high frequency 2bit width data signal and a low frequency wide width data signal into each other. For creating such modules, the channel...
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