Enhanced High-Frequency Modulation of Single-mode 850 nm VCSELs via Dual Transverse-Cavity Integration

Hameeda R. Ibrahim,Ahmed H. Hassan,Xiaodong Gu,Moustafa Ahmed,Fumio Koyama

IEICE ELECTRONICS EXPRESS（2024）

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摘要

This paper introduces an innovative design for double-transverse-coupled-cavity (DTCC) VCSELs aimed at achieving high-speed modulations exceeding 21GHz with single mode operations. The lateral in-plane optical feedback across both cavities facilitates a significant enhancement in direct modulation bandwidths. Open eye diagrams were discerned for data rates as high as 36 Gbps (NRZ) and 48Gbps (PAM4). Classification: Semiconductor Lasers

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关键词

VCSEL,high-speed modulation,coupled cavity,datacenter

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