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Wavelength Selective Switch (WSS)
Wavelength selective switch(WSS) is one of the core optical devices of the next-generation Reconfigurable Optical Add-Drop Multiplexer(ROADM) and optical cross-connect(OXC) in all-optical networks.It has Colorless, Directionless, Contentionless, Flexible Grid(CDC-F) and other all-optical signal processing functions,and can support any port wavelength and arbitrary uplink and downlink functions.
Features
Alternate common port
Flexgrid Dynamic Channel Width Control(fully ITU flexible grid G.694.1 compliant)
6.25GHz Width Resolution(default,3.125GHz)
No constraints on the spectrum allocated to a super-channel
Hitless channel widening,narrowing and migration with 6.25 GHz resolution
Flexgrid Dynamic Attenuation Control
6.25 GHz Resolution
0-15dB Range
Hitless channel and intra-channel power equalization
LCoS Switching Technology
Frequency range:6THz(dault)-wider frequency range up to 12THz (C+L) can be supported ØTrueFlex grid-less operation to 6.25GHz granularity or less
Intra-channel “slice”attenuation control
Future-ready support for coherent 40G,100G,super channels and beyond
Very high spectral resolution for node cascadability
Low profile (20 mm) package available for single-slot blade design
Applications
ROADM all-optic Network