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Development of Terabit-Scale Compact Hierarchical Optical Cross-Connect System Using Planar Device Integration

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8 Author(s)
Moriwaki, O. ; Nippon Telegraph & Telephone (NTT) Photonics Labs., NTT Corp., Atsugi, Japan ; Noguchi, K. ; Takahashi, H. ; Sakamoto, T.
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The first practical terabit-scale hierarchical optical cross-connect system is realized by employing silica-based planar lightwave circuit devices. The system is scalable to 320 line cross connects + 160 client cross connects, and fully implemented equipment would require a 16-U-high chassis and only a 350-W power consumption. The potential of node cascadability is discussed and experimentally confirmed using partially implemented equipment that has four wavelength-division-multiplexed ports and one waveband switching capability. Stable operation was also confirmed using field-installed fibers.

Published in:

Lightwave Technology, Journal of  (Volume:29 ,  Issue: 4 )