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Updated: Jan 8, 2026

Quasi-light Storage for Optical Data Packets

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Enlace coherente analógico con presupuesto de enlace ampliado a partir de láseres integrados y transmisión a través

Aaron Wissing, Junqian Liu, Evan Chansky

|December 19, 2025

Abstract:

We report what is believed to be the first unamplified analog coherent link using heterogeneously integrated lasers in both the TX and RX. The link achieves a 10 dB fiber-to-fiber link budget while operating with BER below the KP-4 FEC threshold, and a 7 dB fiber-to-fiber link budget with BER below the KR-4 FEC threshold, both while transporting 100 Gbps QPSK over a single polarization. The facet-to-facet link budgets are 23 dB and 20 dB respectively. QPSK transmission is measured through an O-band silicon photonics integrated wavelength-selective switch with a BER below the Staircase FEC threshold.

Palabras clave:

enlace coherente analógico láseres integrados presupuesto de enlace QPSK fotónica de silicio conmutador selectivo de longitud de onda tasa de error de bits comunicaciones ópticas

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