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Through-glass-via interposer for high-speed electrical interfacing in a 400 Gbps optical engine for on-board optics and pluggable optical transceivers
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- Authors
- Eun Kyu Kang, Soo-Yong Jung, Sangjin Kwon, Hae Chung Kang, Won-Bae Kwon, Myunghwan Kim, Gye-Sul Cho, Dae Woong Moon, Jongjin Lee
- Issue Date
- 2025-03
- Citation
- Journal of Lightwave Technology, v.권호미정, pp.1-10
- ISSN
- 0733-8724
- Publisher
- Optical Society of America
- Language
- English
- Type
- Journal Article
- Abstract
- We propose a 400 Gbps optical engine based on through-glass-via (TGV) interposers. By integrating TGV interposer, radio frequency loss is minimized in high-frequency region and optical engine replacement is facilitated through localized laser soldering process. The measured electrical-to-optical frequency response characteristics of the optical engine include an S21−3 dB bandwidth (BW) of 51.8 GHz, a transmitter dispersion eye closure quaternary of less than 1.6 dB, and successful real-time operation at 4 × 106 Gbps meeting the KP4-FEC threshold at a receiver sensitivity of −8.3 dBm. This demonstrates the potential applicability to on-board optics and high-BW pluggable optical transceivers.
- KSP Keywords
- 3-dB bandwidth, Frequency response characteristics, High Speed, High frequency(HF), On-board, Optical Frequency Response, Pluggable Optical Transceivers, Radio-frequency, Real-time operation, Soldering process, TGV interposer