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Conferences > CLEO_Europe > 2019 > cj_6 > cj_6_3
  • 2019 Conference on Lasers and Electro-Optics Europe and European Quantum Electronics Conference
  • OSA Technical Digest (Optica Publishing Group, 2019),
  • paper cj_6_3

Ultrafast Laser Inscription and Laser Operation of Y-branch Splitters in Monoclinic Thulium-Doped Crystals

Esrom Kifle, Pavel Loiko, Carolina Romero, Javier Rodríguez Vázquez de Aldana, Viktor Zakharov, Andrey Veniaminov, Uwe Griebner, Valentin Petrov, Patrice Camy, Alain Braud, Magdalena Aguiló, Francesc Díaz, and Xavier Mateos

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Abstract

Optical waveguides are the basic blocks of integrated photonic circuits due to their ability to confine light on the μm-scale. In particular, beam splitting waveguides, e.g., Y-branch splitters, are interesting as power splitters, directional couplers and interferometers with potential applications in bio- and environmental sensing [1]. One of the most powerful fabrication methods of 3D photonic microstructures is fs Direct Laser Writing (DLW). It features fast fabrication time, simplicity and variety of structures and materials including low-symmetry crystals. We present here the fabrication of laser-active Y-splitters in Tm-doped monoclinic crystals by fs-DLW and their characterization.

© 2019 IEEE

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