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中红外砷化镓/铝镓砷微环谐振器的热调谐特性。

Mid-infrared GaAs/AlGaAs micro-ring resonators characterized thermal tuning.

作者信息

Haas Julian, Artmann Philipp, Mizaikoff Boris

机构信息

Institute of Analytical and Bioanalytical Chemistry, Ulm University Albert-Einstein-Allee 11 D-89081 Ulm Germany

出版信息

RSC Adv. 2019 Mar 14;9(15):8594-8599. doi: 10.1039/c8ra10395j. eCollection 2019 Mar 12.

DOI:10.1039/c8ra10395j
PMID:35518680
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC9061883/
Abstract

Micro-ring resonators with a decoupling waveguide have been manufactured from GaAs/AlGaAs, accommodating mid-infrared wavelengths, and were characterized thermal tuning. A -factor of 1900, a thermal full width at half maximum of 8 °C, and a thermal free spectral range of 18 °C have been achieved. The low -factor indicates comparatively high coupling efficiency from the input waveguide into the decoupling waveguide. The micro-ring resonators shown herein are suitable structures for advanced mid-infrared chem/bio sensing strategies resonant-cavity enhancement. In addition, they offer high spectral resolution for evanescent field sensing strategies effective wavelength de-multiplexing waveguide structures.

摘要

带有解耦波导的微环谐振器已由砷化镓/铝镓砷制成，适用于中红外波长，并对其进行了热调谐特性表征。实现了1900的品质因数、8℃的热半高宽和18℃的热自由光谱范围。低品质因数表明从输入波导到解耦波导的耦合效率相对较高。本文所示的微环谐振器是适用于基于谐振腔增强的先进中红外化学/生物传感策略的结构。此外，它们为基于倏逝场传感策略和有效波长解复用波导结构提供了高光谱分辨率。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/069f/9061883/517481825fb0/c8ra10395j-f4.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/069f/9061883/b7e746f718f0/c8ra10395j-f1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/069f/9061883/924909744e23/c8ra10395j-f2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/069f/9061883/42eb4c5c156f/c8ra10395j-f3.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/069f/9061883/517481825fb0/c8ra10395j-f4.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/069f/9061883/b7e746f718f0/c8ra10395j-f1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/069f/9061883/924909744e23/c8ra10395j-f2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/069f/9061883/42eb4c5c156f/c8ra10395j-f3.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/069f/9061883/517481825fb0/c8ra10395j-f4.jpg

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