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Silicon Photonic Modulator Reaches 200 Gb/s PAM4 With Reduced DSP (Science Tokyo, Yokohama, AIST, PETRA)

What happened

Researchers from Institute of Science Tokyo, Yokohama National University, AIST, and the Photonics Electronics Technology Research Association (PETRA) published a technical paper titled “Reduced-DSP 200G/λ Low-Voltage Slow-Light Silicon Modulator Enabled by Built-In EO Equalizer.” The abstract excerpt states that multi-Tb/s optical interconnects for artificial intelligence data centers necessitate high-speed, energy-efficient, and compact transceivers, but that conventional silicon Mach-Zehnder modulators have related limitations (the excerpt is truncated with an ellipsis). The research achieved a reduced-DSP 200G/λ low-voltage slow-light silicon modulator with a built-in EO equalizer, reaching 200 Gb/s PAM4. This is a published research paper and technology-advancement background item, not a price movement or supply-demand event; the source does not state any cause or commercialization timeline.

Impact and signal

Low impactImpact score: 20/100

Affected components and suppliers

silicon photonic modulatorsilicon Mach-Zehnder modulator
Institute of Science TokyoYokohama National UniversityAISTPhotonics Electronics Technology Research Association (PETRA)
silicon photonics200 Gb/s PAM4reduced DSPoptical interconnecttransceiverresearch paper

Source and time

Source: Semiconductor Engineering · 10/25/2026 · View original source

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