Abstract
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.
© 2011 IEEE
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