Low power DSP for 100 Gbps Coherent Transmission in Optical Access Networks

Low power DSP for 100 Gbps Coherent Transmission in Optical Access Networks

Technology News |
By Nick Flaherty

II-VI has completed the tape-out of a digital signal processor (DSP) for 100 Gbit/s coherent transmission in optical access and aggregation networks.

The Steelerton chip was designed specifically to enable 100 Gbit/s digital coherent optics (DCO) in a pluggable QSFP28 format with a typical power consumption of 2W.

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The growth of 5G wireless and high-speed broadband services is driving demand for coherent transceiver technology optimized for optical access networks. Service providers currently deploy coherent transceivers in core networks and datacentre interconnects, and thistechnology is moving into the access network where small size and low power is critical. miniaturized and with ultralow power dissipation, typically of 2 W,

“The Steelerton DSP promises to bring 100 Gbps QSFP28-DCO transceivers into the mainstream in access networks,” said Matthias Berger, Vice President, Coherent Technology, II-VI Incorporated. “It’s a breakthrough solution that enables wide-scale deployment of full C-band tunable coherent transceivers into QSFP28 ports, of which there are tens of millions in service. The Steelerton DSP is less than one-fifth the size and consumes less than half the power of any other 100 Gbps coherent DSP commercially available.”

II-VI will demonstrate its coherent transceiver technology in Barcelona later this month with Next Generation Optical Networking (NGON) & DCI World.

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