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Applied Physics B

, Volume 36, Issue 3, pp 143–147 | Cite as

Loss in low-finesse Ti:LiNbO3 optical waveguide resonators

  • R. Regener
  • W. Sohler
Contributed Papers

Abstract

We propose to measure the contrast of Fabry-Perot resonances in low-finesse (end face polished) integrated optical resonators to determine an upper limit of the waveguide attenuation coefficient. The method is discussed; its absolute accuracy increases with decreasing loss. As example, experimental results are presented for 3 and 10 μm wide Ti: LiNbO3 strip guides; the attenuation coefficients are 0.46 dB/cm (EH11) in the narrower guide at λ=0.63 μm, respectively 0.19 dB/cm (EH11) and 0.09 dB/cm (HE11) in the 10 μm wide guide at λ=1.15 μm.

PACS

42.82+n 42.80.Lt 42.70.Fh 

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Copyright information

© Springer-Verlag 1985

Authors and Affiliations

  • R. Regener
    • 1
  • W. Sohler
    • 1
  1. 1.Angewandte PhysikUniversität GHPaderbornFed. Rep. Germany

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