Silver halide single-mode strip waveguides for the mid-infrared

We report the demonstration of single-mode AgCl(x)Br(1-x) strip waveguides for the mid-infrared (MIR). The waveguides were made by the deposition of AgCl(x)Br(1-x) layers on top of a Si-SiO(2) substrate, followed by photolithographic and lift-off processing. The propagation losses of 20 dB/cm were m...

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Bibliographic Details
Published inOptics letters Vol. 37; no. 13; p. 2733
Main Authors Lewi, Tomer, Katzir, Abraham
Format Journal Article
LanguageEnglish
Published United States 01.07.2012
Subjects
Halogens - chemistry
Infrared Rays
Optical Phenomena
Silicon Dioxide - chemistry
Silver - chemistry
Temperature
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Summary:We report the demonstration of single-mode AgCl(x)Br(1-x) strip waveguides for the mid-infrared (MIR). The waveguides were made by the deposition of AgCl(x)Br(1-x) layers on top of a Si-SiO(2) substrate, followed by photolithographic and lift-off processing. The propagation losses of 20 dB/cm were measured at λ=10.6 μm using the cut-back method. The development of these waveguides is a crucial step toward realizing AgCl(x)Br(1-x) MIR integrated optical circuits, which would be used for applications such as chemical sensing and stellar interferometry.
ISSN:1539-4794
DOI:10.1364/OL.37.002733