Publication

A hertz-linewidth Erbium laser based on photonic integrated circuits

Tobias Kippenberg, Johann Emmeram Riemensberger, Rui Ning Wang, Xinru Ji, Zheru Qiu
2023

Abstract

We demonstrate a photonic integrated circuit-based Erbium laser by endowing an ultralow-loss silicon nitride integrated optical cavity with Erbium-based gain. The free-running laser achieves 50 Hz intrinsic linewidth, 17 mW output power, and 40 nm wavelength tuning.

Official source

https://infoscience.epfl.ch/entities/publication/2cd8f98b-3975-4617-9b3a-cce60d50218a

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A hertz-linewidth Erbium laser based on photonic integrated circuits

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