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Conferences > CLEO_SI > 2023 > STu3P > STu3P.2

A hertz-linewidth Erbium laser based on photonic integrated circuits

Zheru Qiu, Yang Liu, Xinru Ji, Grigory Lihachev, Johann Riemensberger, Rui Ning Wang, and Tobias J. Kippenberg

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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.

© 2023 The Author(s)

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