Guohui Xiao

TL;DR: This work describes an array of submicrometer gold mushrooms with a FOM reaching ~108, which is comparable to the theoretically predicted upper limit for standard PSPR sensors, and demonstrates the array as a biosensor for detecting cytochrome c and alpha-fetoprotein, suggesting that the array is a promising candidate for label-free biomedical sensing.

TL;DR: A high-performance refractive index sensor based on a structure of double-layered metal grating (DMG) with an FOM and FOM* reaching 38 and 40 respectively under normal incidence is proposed and experimentally demonstrated, indicating that the DMG is a promising candidate for label-free biomedical sensing.

TL;DR: Experimental results show that the tunable submicro-optofluidic PGMR filters can provide a broad spectral tuning range, a narrow bandwidth, and a high reflection efficiency in the visible region.

TL;DR: An approach to actively control the gap distance between adjacent metal nanoparticles from 140 nm to sub-10 nm or even 0 nm via mechanical stretching process is developed, suggesting potential applications in surface-enhanced Raman scattering, single photon emitter and quantum tunneling of electric charge.

TL;DR: In this paper , a periodic patterned graphene-based terahertz metamaterial comprising three transverse graphene strips and one longitudinal continuous graphene ribbon is proposed to achieve a dynamically tunable quadruple plasmon-induced transparency (PIT) effect.