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arXiv · 1606.05412

High-Q silk fibroin whispering gallery microresonator

Linhua Xu·Xuefeng Jiang·Guangming Zhao·Ding Ma·Hu Tao·Zhiwen Liu·Fiorenzo G. Omenetto·Lan Yang
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Abstract

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 up to 10^5. A high-sensitivity thermal sensor was realized in this silk fibroin microtoroid with sensitivity of 1.17 nm/K, 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.

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Linhua Xu, Xuefeng Jiang, Guangming Zhao, Ding Ma, Hu Tao, Zhiwen Liu, Fiorenzo G. Omenetto, Lan Yang. 2016-06-17. High-Q silk fibroin whispering gallery microresonator. https://doi.org/10.1364/oe.24.020825

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