Low loss mode size converter from 0.3 µm square Si wire waveguides to singlemode fibres
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- 5 December 2002
- journal article
- Published by Institution of Engineering and Technology (IET) in Electronics Letters
- Vol. 38 (25) , 1669-1670
- https://doi.org/10.1049/el:20021185
Abstract
A novel integrated mode size converter for single-mode Si wire waveguides is presented. The mode size converter is constructed with two-dimensional tapered Si waveguides and overlaid high-index polymer waveguides. We calculated the proposed mode size converter characteristics, and fabricated 1.09 mm length Si wire waveguides with the converters. The measured loss of the mode size converter was 0.8 dB per conversion, and the total insertion loss through the sample with an Si wire waveguide was 3.5 dB.Keywords
This publication has 1 reference indexed in Scilit:
- Propagation Characteristics of Ultrahigh-Δ Optical Waveguide on Silicon-on-Insulator SubstrateJapanese Journal of Applied Physics, 2001