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OPTOMECHANICS

Ultra-narrowband integrated Brillouin laser

An on-chip Brillouin laser with a sub-hertz linewidth opens the door for applications in data communication, metrology and sensing.

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Fig. 1: Illustration of a Brillouin laser in a planar ring resonator waveguide.

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Correspondence to Avi Zadok.

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Diamandi, H.H., Zadok, A. Ultra-narrowband integrated Brillouin laser. Nature Photon 13, 9–10 (2019). https://doi.org/10.1038/s41566-018-0330-1

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