LESSENGERS shows off 800G QSFP-DD and 400G QSFP112 optical transceivers

Sept. 29, 2022
The transceiver design obviates the need for lens optics, relying instead on LESSENGERS’s patented direct optical wiring (DOW) technology.

South Korean optical technology developer LESSENGERS Inc. used ECOC 2022 last week to offer live demonstrations of polymer-wired 800G QSFP-DD and 400G QSFP112 optical transceivers. The transceiver design obviates the need for lens optics, relying instead on LESSENGERS’s patented direct optical wiring (DOW) technology.

Powered by LESSENGERS’s patent direct optical wiring (DOW) technology, the LESSENGERS 800G QSFP-DD and 400G QSFP112 optical transceivers achieve excellent optical signal integrity and best cost-effectiveness. DOW enables complete passive alignment with high-precision and high-density optical coupling without the use of lens optics, LESSENGER asserts. DOW can be used to develop modules that offer high signal integrity as well as low cost for such applications such as 800G/1.6T optical modules as well as onboard, near packaged, or co-packaged optics, the company says.

Modules on display at ECOC 2022 included:

  • 800G QSFP-DD SR8 optical transceiver
  • 400G QSFP112 SR4 optical transceiver
  • 200G QSFP56 SR4 optical transceiver
  • 200G ultra-small sized optical module.

“LESSENGERS’ current business is focused on multimode-based optical interconnect solutions along with customized optical packaging services, however, we will continue to push forward on single-mode-based applications such as silicon photonics,” said Chongcook Kim, CEO at LESSENGERS. “This successful demonstration of DOW technology-based optical transceiver solutions will bring a new era of data center optical interconnects and the development of these technologies will support future requirements for high performance computing (HPC) and artificial intelligence (AI) solutions.”

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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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