1.6 Tbps FOWLP-Based Silicon Photonic Engine for Co-Packaged Optics

IF 4.8 1区工程技术 Q2 ENGINEERING, ELECTRICAL & ELECTRONIC Journal of Lightwave Technology Pub Date : 2024-11-07 DOI:10.1109/JLT.2024.3493855

Xin Li;Sajay Bhuvanendran Nair Gourikutty;Jiaqi Wu;Teck Guan Lim;Pengfei Guo;Jaye Charles Davies;Edward Sing Chee Koh;Boon Long Lau;Ming Chinq Jong;Ser Choong Chong;San Sandra;Chao Li;Guo-Qiang Lo;Surya Bhattacharya;Jason Tsung-Yang Liow

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Abstract

Co-packaged optics (CPO) has emerged as a promising solution to address the limitations of traditional pluggable optical transceivers, offering enhanced bandwidth, improved energy efficiency, and reduced signal loss. This paper presents a low-cost, volume-manufacturable Fan-Out Wafer Level Packaging (FOWLP) silicon photonic engine with an aggregate data transmission capacity of 1.79 Tbps (8 × 224 Gbps). The FOWLP platform enables the seamless integration of Electronic ICs (EICs) and Photonic ICs (PICs) without wire bonds, preserving signal integrity and minimizing losses. By demonstrating 112 Gbaud NRZ (112 Gbps/λ) and PAM4 (224 Gbps/λ) transmission with minimal digital signal processing, this work highlights the potential of silicon photonics for 200 Gbps/λ Co-Packaged Optics (CPO) and Linear Pluggable Optics (LPO) applications. The findings underscore the enhanced signal integrity, power efficiency, and reduced latency achieved with FOWLP, addressing critical bottlenecks in hyperscale data centers and AI/ML clusters.

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用于共封装光学器件的1.6 Tbps fowlp硅光子引擎

共封装光学器件（CPO）已成为解决传统可插拔光收发器局限性的一种有前途的解决方案，可提供增强的带宽、提高的能效和减少的信号损耗。本文提出了一种低成本、可量产的扇出晶圆级封装（FOWLP）硅光子引擎，其总数据传输容量为1.79 Tbps （8 × 224 Gbps）。FOWLP平台可以实现电子集成电路（eic）和光子集成电路（PICs）的无缝集成，无需线键，保持信号完整性并最大限度地减少损耗。通过展示112 Gbps/λ NRZ （112 Gbps/λ）和PAM4 （224 Gbps/λ）传输和最少的数字信号处理，这项工作强调了硅光子学在200 Gbps/λ共封装光学（CPO）和线性可插拔光学（LPO）应用中的潜力。研究结果强调了FOWLP实现的增强信号完整性、功率效率和降低延迟，解决了超大规模数据中心和AI/ML集群的关键瓶颈。

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来源期刊

Journal of Lightwave Technology 工程技术-工程：电子与电气

CiteScore

9.40

自引率

14.90%

发文量

936

审稿时长

3.9 months

期刊介绍： The Journal of Lightwave Technology is comprised of original contributions, both regular papers and letters, covering work in all aspects of optical guided-wave science, technology, and engineering. Manuscripts are solicited which report original theoretical and/or experimental results which advance the technological base of guided-wave technology. Tutorial and review papers are by invitation only. Topics of interest include the following: fiber and cable technologies, active and passive guided-wave componentry (light sources, detectors, repeaters, switches, fiber sensors, etc.); integrated optics and optoelectronics; and systems, subsystems, new applications and unique field trials. System oriented manuscripts should be concerned with systems which perform a function not previously available, out-perform previously established systems, or represent enhancements in the state of the art in general.