Infinera Does 160 DWDM Technology per Fiber with ILS2

Optics vendor Infinera today introduced a new optical line system called the ILS2, which it intends to debut at next week’s NXTcomm show in Las Vegas. The new line system packs 160 DWDM channels into the C-band, offers a reach of 2500 kilometers, and delivers up to 8tbps on a single fiber, supporting bandwidth growth and 10gbps, 40gbps and 100gbps service delivery.

The ILS2 system employs a 25GHz grid, which the company says is twice the density of most other DWDM technology systems. This tight channel spacing is enabled by the company’s new passive PICs, said Rick Dodd, vice president of product marketing at Infinera, who added that 160 channels on a fiber is twice the capacity of what other DWDM technology systems today deliver.

With Infinera’s DTN line cards, the ILS2 delivers 1.6tbps of optical capacity. With Infinera’s next-generation line cards, the ILS2 system will deliver 160 DWDM channels each operating at 40gbps, for total capacity of 6.4tbps, entirely in the C-band. In an 8tbps configuration, Infinera line cards will deliver 80 channels at 100gbps.

DWDM Technology

Infinera PICs integrating 10 DWDM channels on a pair of chips, so the system turns up 10 channels at a time, simplifying the installation and provisioning process, and making 160 channel systems operationally feasible to install and manage, according to the company. And service providers can mix and match PIC-based line cards of different capacities or operating at different wavelength data rates, and run both systems over the same optical line system without reengineering.

The ILS2 line system begins shipping this summer.

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