Subwavelength grating bimodal waveguide for refractive index sensing

Abstract

[EN] Periodic subwavelength structures supporting two TE modes are presented as high performance sensors with bulk and surface sensitivities of 1375.5nm/RIU and 6.138nm/nm, respectively. A complete theoretical study is provided by numerical expressions and FDTD simulations.Torrijos-Morán, L.; García-Rupérez, J. (2019). Subwavelength grating bimodal waveguide for refractive index sensing. OSA Publishing. 1-2. http://hdl.handle.net/10251/177803S1

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