Tunable Lithium Niobate Laser - False-colour SEM image of a heterogeneous Si3N4–LiNbO3 waveguide cross-section. The original SEM image data are shown in Extended Data Fig. 1. Inset: a finite-difference time-domain simulation of the spatial distribution of the hybrid transverse electric mode’s electric-field amplitude with 12% participation in LiNbO3, electric-field maximum is coloured in red and minimum in blue.

Breakthrough in Ultrafast Tunable Lasers with Lithium Niobate Integrated Photonics

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In a groundbreaking development, scientists have successfully demonstrated the capabilities of ultrafast tunable lasers using lithium niobate (LiNbO3) integrated photonics. These lasers showcase narrow linewidth while maintaining extreme frequency agility, allowing for tuning rates at petahertz per second.

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