SiFotonics’ 100G-ER1-40, 8x100G-ER1-nWDM SFP56-DD transceivers now generally available

Feb. 9, 2023
The company expects the extended-reach optical modules to find homes in switches and routers for 5G xHaul, broadband access aggregation, optical transport, and data center interconnect (DCI).

SiFotonics Technologies Co., Ltd. says its 100G-ER1-40 and 8x100G-ER1-nWDM SFP56-DD optical transceivers have reached general availability. The company expects the extended-reach optical modules to find homes in switches and routers for 5G xHaul, broadband access aggregation, optical transport, and data center interconnect (DCI).

The company says the SFP56-DD transceivers will support high port density and 100G connectivity to 40 km, thanks in large part to a high-sensitivity Ge/Si APD receiver based on SiFotonics’ proprietary silicon photonics platform. The approach is fully compliant with the 100G Lambda MSA’s 100G-ER1-40 specification.

SiFotonics adds that the optical modules leverage a DSP and design optimized to support multi-rate applications, including timing-sensitive OTN applications.

The 8x100G-ER1-nWDM optical transceiver supports O-Band passive WDM applications and is fully interoperable with SiFotonics’ 8x100G-ER1-nWDM QSFP28 product family. It is suited to transmit 800G over a single pair of fiber or 400G over a single fiber to enable a pay-as-you-grow approach with what the company asserts are low-cost passive WDM filters. The optical device also is designed to interoperate with 400G-ER4 and 800G-ER8 standards to support break-out applications between 100G and 400G or 800G.

The SFP56-DD modules will operate over a -40 to 85C range, which enables them to be used in outside plant applications such as 5G fronthaul and broadband access. The family also includes a version that supports 100G over 10 km in compliance with the IEEE 100G-LR1 standard over the same temperature range.

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About the Author

Stephen Hardy | Editorial Director and Associate Publisher, Lightwave

Stephen Hardy is editorial director and associate publisher of Lightwave and Broadband Technology Report, part of the Lighting & Technology Group at Endeavor Business Media. Stephen is responsible for establishing and executing editorial strategy across the both brands’ websites, email newsletters, events, and other information products. He has covered the fiber-optics space for more than 20 years, and communications and technology for more than 35 years. During his tenure, Lightwave has received awards from Folio: and the American Society of Business Press Editors (ASBPE) for editorial excellence. Prior to joining Lightwave in 1997, Stephen worked for Telecommunications magazine and the Journal of Electronic Defense.

Stephen has moderated panels at numerous events, including the Optica Executive Forum, ECOC, and SCTE Cable-Tec Expo. He also is program director for the Lightwave Innovation Reviews and the Diamond Technology Reviews.

He has written numerous articles in all aspects of optical communications and fiber-optic networks, including fiber to the home (FTTH), PON, optical components, DWDM, fiber cables, packet optical transport, optical transceivers, lasers, fiber optic testing, and more.

You can connect with Stephen on LinkedIn as well as Twitter.

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