Silicon dumbbell-shaped micro-ring resonator for glucose monitoring M. M. Ariannejad, Jian Ding Tan, Chia Chao Kang, M. Ghasemi and P. K. Choudhury Eur. Phys. J. D, 76 5 (2022) 91 Published online: 20 May 2022 DOI: 10.1140/epjd/s10053-022-00418-2