Suspended Microracetrack Resonator with Lateral Sub-wavelength-Grating Metamaterial Cladding for Mid-infrared Sensing ApplicationsZecen Zhang, Geok Ing Ng, Ting Hu, Haodong Qiu, Xin Guo, Wanjun Wang, Mohamed S. Rouifed, Chongyang Liu, Jiaxu Sia, Jin Zhou and Hong WangITM Web Conf., 17 (2018) 02005DOI: https://doi.org/10.1051/itmconf/20181702005