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Coherent Digital Signal Processor

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YOKOHAMA, Japan, March 21, 2023 — The ExaSPEED GAIA coherent digital signal processor (DSP) from NTT Electronics Corp. provides a transmission capacity of 1.2 Tbit/s/wavelength by utilizing a programmable baud rate of up to 140 Gbaud powered by a flexible coded modulation scheme and advanced 5-nm FinFET CMOS process.

The programmable baud rate can support very fine granularity that enables the system to adapt to a range of links while maximizing spectral efficiency. These include short-reach data center interconnects, terrestrial metro links with cascaded Reconfigurable Optical Add/Drop Multiplexers (ROADMs), and ultra-long-haul sub-sea links. Users can use a wide range of 400-G interfaces in 1.2T for interconnects, 800-G for metro, and 400-G for sub-sea applications.



Published: March 2023
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ProductsExaSPEED GAIAcoherent digital signal processorNTT ElectronicsoptoelectronicsAsia-Pacific

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