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Dual and Quad Wavelength Selective Switch (WSS)

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Single Wavelength Selective Switch (WSS)

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World-Leading Technology

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Located in Australia, Finisar WSS provides world-class wavelength management components and subsystems, including wavelength selective switches (WSS), to leading networking equipment manufacturers.

Enabled by Finisar Liquid Crystal on Silicon (LCoS) technology, Finisar WSS products support Flexgrid^® technology, which provides dynamic control of the channel width. Furthermore, once deployed, channel plans are configurable ‘on-the-fly’, meaning that channel bandwidths can be adjusted to most efficiently carry future demand as it arises. Furthermore, Flexgrid^® functionality offers full backwards compatibility with both the standard 100 GHz and 50 GHz ITU grids. Flexgrid^® functionality also enables the equalization of the power within a single channel, especially important for multicarrier optical signals.

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Dual and Quad Wavelength Selective Switch (WSS)

Single Wavelength Selective Switch (WSS)

World-Leading Technology

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Dual and Quad Wavelength Selective Switch (WSS)

The application of Reconfigurable Optical Add/Drop Multiplexers (ROADM) in DWDM optical networks has expanded in recent years to support increasingly more directions as well as increased flexibility in the add/drop structure. Flexgrid^® technology is now essential in the efficient use of optical bandwidth for extremely high data rates and advanced modulation formats employed by next generation DWDM transmitters/receivers, including 400Gb/s and 1 Tbit/s signals. These higher data rates require that channel spacing is flexible and can be increased real-time to allow the network to adapt to new transmission formats. Deployment of colorless directionless (CD) ROADMs and colorless, directionless, contentionless (CDC) is facilitated by the introduction of route & select (R&S) ROADM architectures, which, unlike broadcast & select (B&S) ROADMs that require only one WSS per direction, are based on two WSS per direction.

By integrating two WSS, each featuring superior optical performance, in a single module the dual WSS modules by Finisar are optimized for this new generation of R&S ROADMs. Dual WSS modules can also be used as CD 2xNxM Add/Drop modules and the platform can be scaled up to four WSS integrated in a single module without sacrificing optical performance to create the new generation of Quad WSS products.

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Dual (two WSS integrated in a module) and Quad (four WSS integrated in a module) WSS
Configurations: 2x1xN WSS, 4x1xN WSS and Colorless/Directionless 2xNxM WSS
Alternate common port
Flexgrid^®Dynamic Channel Width Control (fully ITU flexible grid G.694.1 compliant)
– 6.25 GHz Width Resolution (default, 3.125GHz optional)
– 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 – 20dB Range
– Hitless channel and intra-channel power equalization
LCoS Switching Technology
Frequency range: 4.8 THz (default) – wider frequency range up to 10THz (C+L-band) can be supported