High-Q silk fibroin whispering gallery microresonator

被引：55

作者：

Xu, Linhua ^{[1
,2
]}

Jiang, Xuefeng ^{[1
]}

Zhao, Guangming ^{[1
]}

Ma, Ding ^{[3
]}

Tao, Hu ^{[4
,5
]}

Liu, Zhiwen ^{[3
]}

Omenetto, Fiorenzo G. ^{[4
]}

Yang, Lan ^{[1
,2
]}

机构：

[1] Washington Univ St Louis, Elect & Syst Engn Dept, St Louis, MO 63130 USA

[2] Washington Univ St Louis, Inst Mat Sci & Engn, St Louis, MO 63130 USA

[3] Penn State Univ, Dept Elect Engn, University Pk, PA 16802 USA

[4] Tufts Univ, Dept Biomed Engn, Medford, MA 02155 USA

[5] Univ Texas Austin, Dept Mech Engn, Austin, TX 78712 USA

来源：

OPTICS EXPRESS | 2016年 / 24卷 / 18期

基金：

美国国家科学基金会;

关键词：

LABEL-FREE DETECTION; MICROCAVITY; NANOPARTICLES;

D O I：

10.1364/OE.24.020825

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We have experimentally demonstrated an on-chip all-silk fibroin whispering gallery mode microresonator by using a simple molding and solution-casting technique. The quality factors of the fabricated silk protein microresonators are on the order of 10(5). A high-sensitivity thermal sensor was realized in this silk fibroin microtoroid with a sensitivity of -1.17 nm/K, that is 8 times higher than previous WGM resonator-based thermal sensors. This opens the way to fabricate biodegradable and biocompatible protein based microresonators on a flexible chip for biophotonics applications. (C) 2016 Optical Society of America

引用

页码：20825 / 20830

页数：6

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