Demonstration of 200-Gbps data transmission over 2 km fiber using direct modulation, highlighting advanced quantum wells and a metal-aperture structure.
We demonstrate 200-Gbps direct modulation of 1060-nm single-mode VCSELs incorporating intra-cavity metal-aperture and highly-strained InGaAs/GaAsP quantum wells. This achievement enables 200-Gbps PAM4 data transmission over 2-km standard single-mode fiber, facilitated by advanced receiver DSP.
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Ibrahim et al. (2025) studied this question.
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