Antireflection coatings on lithium niobate waveguide devices using electron beam evaporated yttrium oxide

25 April 1985

journal article
Published by Institution of Engineering and Technology (IET) in Electronics Letters

Vol. 21 (9) , 363-364
https://doi.org/10.1049/el:19850259

Abstract

We report the first antireflection coatings for fibre pigtailed Ti:LiNbO₃ waveguide devices optimised for the 1.55 μm wavelength range. The coatings are single-layer, electron-beam-evaporated yttrium oxide films. A reflection of −35 dB, sufficiently low for operation in conjunction with single-frequency lasers, has been demonstrated.

Keywords

SINGLE-FREQUENCY LASERS
1.55 MICRON WAVELENGTH
Y2O3
FIBRE PIGTAILED TI:LINBO3 WAVEGUIDE DEVICES
ELECTRON BEAM EVAPORATION
ANTIREFLECTION COATINGS

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