articleNatureMar 15, 2023HYBRID OA

Ultrafast tunable lasers using lithium niobate integrated photonics

VSViacheslav SnigirevARAnnina RiedhauserGLGrigory LihachevMCMikhail ChuraevJRJohann Riemensberger

École Polytechnique Fédérale de Lausanne · IBM Research - Zurich · +2 more institutions

PubMed
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Abstract

Abstract Early works 1 and recent advances in thin-film lithium niobate (LiNbO 3 ) on insulator have enabled low-loss photonic integrated circuits 2,3 , modulators with improved half-wave voltage 4,5 , electro-optic frequency combs 6 and on-chip electro-optic devices, with applications ranging from microwave photonics to microwave-to-optical quantum interfaces 7 . Although recent advances have demonstrated tunable integrated lasers based on LiNbO 3 (refs. 8,9 ), the full potential of this platform to demonstrate frequency-agile, narrow-linewidth integrated lasers has not been achieved. Here we report such a laser with a fast tuning rate based on a hybrid silicon nitride (Si 3 N 4 )–LiNbO 3 photonic platform…

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Topics & keywords

Topics
Keywords
  • Laser linewidth
  • Lithium niobate
  • Materials science
  • Optoelectronics
  • Laser
  • Photonic integrated circuit
  • Photonics
  • Resonator
UN Sustainable Development Goals
  • Affordable and clean energy
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