This research demonstrates a photonic integrated Erbium DBR laser on a Si 3 N 4 chip, highlighting its high output power and compact design.
We demonstrate a wafer-scale fabricated, Erbium-doped DBR laser on a Si 3 N 4 chip (100 mm 2 footprint) with 0.89 mW fiber-coupled output power and 130 Hz linewidth, achieving high performance in a compact design.
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Ji et al. (2025) studied this question.
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