Title: Low-loss planar optical waveguides in strontium barium niobate crystals formed by ion-beam implantation
Authors: Kip, Detlef  
Aulkemeyer, S
Moretti, P
Language: en
Subject (DDC): DDC::500 Naturwissenschaften und Mathematik
Issue Date: 1995
Publisher: Soc.
Document Type: Article
Journal / Series / Working Paper (HSU): Optics letters 
Volume: 20
Issue: 11
Page Start: 1256
Page End: 1258
Publisher Place: Washington, DC
Planar optical waveguides have been formed in strontium barium niobate single crystals by either proton or heliumion implantation. The profiles of the ordinary and the extraordinary refractive indices are deduced from dark-line mode spectroscopy. Optical barriers with depths to Deltan(e) = 2.6% for protons and Deltan(e) = 5.5% for helium are obtained. By proton implantation we find a very low intensity loss of 0.4 cm(-1) for ordinarily and a higher value of 2.7 cm(-1) for extraordinarily polarized light at 632.8 nm. For helium-implanted waveguides both values are ~4 cm(-1).
Organization Units (connected with the publication): Universität Osnabrück
ISSN: 0146-9592
DOI: 10.1364/ol.20.001256
Appears in Collections:Publications of the HSU Researchers (before HSU)

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