163 citations · 265 across the 12 of their papers we have counts for
13 papers
Supercell-enabled inverse design of boundary-state dispersion for group-velocity control in pseudomagnetic phononic crystals
Hua-Yang Chen, Nan-Xin Yu, Zhen-Hui Qin +2
Topological boundary states offer a platform for guided-wave propagation within bulk bandgaps. Their propagation characteristics depend not only on the spectral extent of the state…
Impedance-matched High-Overtone Thickness-Shear Bulk Acoustic Resonators with Scalable Mode Volume
Zi-Dong Zhang, Zhen-Hui Qin, Yi-Han He +5
High overtone bulk acoustic resonators are essential components in microwave signal processing and emerging quantum technologies; however, conventional designs suffer from limited…
Deployable Nanoelectromechanical Bound States in the Continuum Enabled by GHz Lamb Wave Phononic Crystals on LiNbO3 Thin Films
Sheng-Nan Liang, Zhen-Hui Qin, Shu-Mao Wu +3
Bound states in the continuum (BICs) are a fascinating class of eigenstates that trap energy within the continuum, enabling breakthroughs in ultra-low-threshold lasing, high-Q sens…
Boundary-induced helical bulk acoustic transport in LiNbO3 thin films
Zhe Li, Zhen-Hui Qin, Shu-Mao Wu +10
We experimentally demonstrate boundary-induced helical bulk states (BI-HBSs) for RF acoustic transport in LiNbO3 thin-film phononic crystals (approximately 175-200 MHz). A boundary…
K-band LiNbO3 A3 Lamb-wave Resonators with Sub-wavelength Through-holes
Shu-Mao Wu, Hao Yan, Chen-Bei Hao +3
Addressing critical challenges in Lamb wave resonators, this paper presents the first validation of resonators incorporating sub-wavelength through-holes. Using the A3 mode resonat…
Double-layer Thin-film LiNbO3 Longitudinally Excited Shear Wave Resonators with Ultra-large Electromechanical Coupling Coefficient and Spurious-Free Performance
Zhen-Hui Qin, Shu-Mao Wu, Chen-Bei Hao +4
This work proposes a double-layer thin-film lithium niobate (LiNbO3) longitudinally excited shear wave resonator with a theoretical electromechanical coupling coefficient exceeding…
Critical couplings in topological-insulator waveguide-resonator systems observed in elastic waves
Si-Yuan Yu, Cheng He, Xiao-Chen Sun +7
Waveguides and resonators are core components in the large-scale integration of electronics, photonics, and phononics, both in existing and future scenarios. In certain situations,…
Higher-order Quantum Spin Hall Effect of Light
Biye Xie, Guangxu Su, Hong-Fei Wang +7
Band topology and related spin (or pseudo-spin) physics of photons provide us with a new dimension for manipulating light, which is potentially useful for information communication…
Distribution of high-dimensional orbital angular momentum entanglement at telecom wavelength over 1km of optical fibre
Huan Cao, She-Cheng Gao, Chao Zhang +11
High-dimensional entanglement has demonstrated potential for increasing channel capacity and resistance to noise in quantum information processing. However, its distribution is a c…
Guiding Robust Valley-dependent Edge States by Surface Acoustic Waves
Zhen Wang, Fu-Kang Liu, Si-Yuan Yu +4
Recently, the concept of valley pseudospin, labeling quantum states of energy extrema in momentum space, has attracted enormous attention because of its potential as a new type of…
Silicon nitride metalenses for unpolarized high-NA visible imaging
Zhi-Bin Fan, Zeng-Kai Shao, Ming-Yuan Xie +6
As one of nanoscale planar structures, metasurface has shown excellent superiorities on manipulating light intensity, phase and/or polarization with specially designed nanoposts pa…
A Monolithic Topologically Protected Phononic Circuit
Si-Yuan Yu, Cheng He, Zhen Wang +6
Precise control of elastic waves in modes and coherences is of great use in reinforcing nowadays elastic energy harvesting/storage, nondestructive testing, wave-mater interaction,…
Optical positioning of single quantum dots in micropillar with >65% extraction efficiency for on-demand quantum light sources
Shun-Fa Liu, Yu-Ming Wei, Rong-Ling Su +9
We report optical positioning single quantum dots (QDs) in planar cavity with an average position uncertainty 20 nm using an optimized two-color photoluminescence imaging techni…