10/07/2024, 10:49 AM UTC
Y10T281 单模VCSEL进展Y10T281 Single-Mode VCSEL Progress
➀ 2020年至2023年，单模VCSEL的进展被记录，从25Gbps速率提升到2024年的106Gbps PAM4速率，传输距离达2km-5km；➁ Broadcom和Finisar使用多模结构，传输距离分别为30m、50m和100m；➂ 在OFC2024上，基于单模VCSEL的800G光模块被展出；➃ 在ECOC2024上，通过16通道设计实现了1.6T CPO光模块封装；➄ 设计结构与2022年和2023年相似，但进行了优化；➅ 采用无浮雕位错结构的新设计方法提高了带宽并实现了单模控制；➆ 较小的氧化孔径降低了RC常数，提升了带宽；➇ P型电极形成环状横向腔，用于PPR和单模共振放大；➈ 1060nm VCSEL比850nm波长具有更低的损耗和更小的色散，有利于延长传输距离；➈ 东京工业大学在9mA电流下实现了33GHz的带宽，支持1.6T CPO模块封装和2km传输。➀ Progress in single-mode VCSELs has been documented from 25Gbps rates to 106Gbps PAM4 rates by 2024, with transmission distances up to2km-5km; ➁ Broadcom and Finisar use multimode structures with varying transmission distances of 30m, 50m, and 100m; ➂ At OFC2024, an 800G optical module based on single-mode VCSEL was presented; ➃ ECOC2024 saw the development of a 1.6T CPO optical module with 16-channel design; ➄ The design structure remained similar to 2022 and 2023 with optimizations; ➅ A new design approach with no浮雕位错structures improved bandwidth and achieved single-mode control; ➆ A smaller oxidation aperture reduced RC constants, enhancing bandwidth; ➇ P-type electrodes formed a ring-shaped transverse cavity for PPR and single-mode resonance amplification; ➈ 1060nm VCSELs offer lower loss and smaller dispersion, beneficial for longer transmission distances; ➈ Tokyo Institute of Technology achieved a bandwidth of 33GHz at 9mA current, supporting 1.6T CPO module封装 and 2km transmission.
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