Applied Physics B

, Volume 107, Issue 1, pp 157–162

Analysis and optimization of propagation losses in LiNbO3 optical waveguides produced by swift heavy-ion irradiation

  • M. Jubera
  • J. Villarroel
  • A. García-Cabañes
  • M. Carrascosa
  • J. Olivares
  • F. Agullo-López
  • A. Méndez
  • J. B. Ramiro
Article

DOI: 10.1007/s00340-012-4897-9

Cite this article as:
Jubera, M., Villarroel, J., García-Cabañes, A. et al. Appl. Phys. B (2012) 107: 157. doi:10.1007/s00340-012-4897-9

Abstract

The propagation losses (PL) of lithium niobate optical planar waveguides fabricated by swift heavy-ion irradiation (SHI), an alternative to conventional ion implantation, have been investigated and optimized. For waveguide fabrication, congruently melting LiNbO3 substrates were irradiated with F ions at 20 MeV or 30 MeV and fluences in the range 1013–1014 cm−2. The influence of the temperature and time of post-irradiation annealing treatments has been systematically studied. Optimum propagation losses lower than 0.5 dB/cm have been obtained for both TE and TM modes, after a two-stage annealing treatment at 350 and 375C. Possible loss mechanisms are discussed.

Copyright information

© Springer-Verlag 2012

Authors and Affiliations

  • M. Jubera
    • 1
  • J. Villarroel
    • 1
  • A. García-Cabañes
    • 1
  • M. Carrascosa
    • 1
  • J. Olivares
    • 2
    • 3
  • F. Agullo-López
    • 1
    • 2
  • A. Méndez
    • 4
  • J. B. Ramiro
    • 4
  1. 1.Departamento de Física de MaterialesUniversidad Autónoma de MadridMadridSpain
  2. 2.Centro de Microanálisis de Materiales (CMAM)Universidad Autónoma de MadridMadridSpain
  3. 3.Instituto de OpticaCSICMadridSpain
  4. 4.Departamento de AerotecniaUniversidad Politécnica de MadridMadridSpain