High-repetition-rate femtosecond-laser inscription of low-loss thermally stable waveguides in lithium niobate

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Piromjitpong, Teerawat; Dubov, Mykhaylo; Boscolo, Sonia;
  • Publisher: Optical Society of America
  • Subject:
    arxiv: Physics::Optics

Optical-lattice-like WGs were fabricated in z-cut LiNbO3 by HRR pulse laser. Low propagation loss was observed in both orthogonal polarizations in the visible and near-IR spectrum. Single-mode guiding was maintained after high-temperature annealing.
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