61 citations · 171 across the 11 of their papers we have counts for
11 papers
Membrane-in-the-middle optomechanics with a soft-clamped membrane at milliKelvin temperatures
Eric Planz, Xiang Xi, Thibault Capelle +2
Soft-clamped silicon nitride membrane resonators reach coherence times tau in excess of 100 ms at milliKelvin bath temperatures. However, harnessing strong optomechanical coupling…
Second-Harmonic Generation in Etchless Lithium Niobate Nanophotonic Waveguides with Bound States in the Continuum
Fan Ye, Yue Yu, Xiang Xi +1
Bound states in the continuum (BICs) have been extensively studied in various systems since its first proposal in quantum mechanics. Photonic BICs can enable optical mode confineme…
Highly tunable broadband coherent wavelength conversion with a fiber-based optomechanical system
Xiang Xi, Chang-Ling Zou, Chun-Hua Dong +1
The modern information networks are built on hybrid systems working at disparate optical wavelengths. Coherent interconnects for converting photons between different wavelengths ar…
Observation of bound states in the continuum in a micromechanical resonator
Yue Yu, Xiang Xi, Xiankai Sun
Bound states in the continuum (BICs) refer to physical states that possess intrinsic zero dissipation loss even though they are located in the continuous energy spectrum. BICs have…
A topological Dirac-vortex parametric phonon laser
Xiang Xi, Jingwen Ma, Xiankai Sun
Nonlinear topological photonic and phononic systems have recently aroused intense interests in exploring new phenomena that have no counterparts in electronic systems. The squeezed…
Room-temperature continuous-wave Dirac-vortex topological lasers on silicon
Jingwen Ma, Taojie Zhou, Mingchu Tang +9
Robust laser sources are a fundamental building block for contemporary information technologies. Originating from condensed-matter physics, the concept of topology has recently ent…
Unraveling the Angular Symmetry of Optical Force in a Solid Dielectric
Xiang Xi, Jingwen Ma, Zhong-Hao Zhou +5
The textbook-accepted formulation of electromagnetic force was proposed by Lorentz in the 19th century, but its validity has been challenged due to incompatibility with the special…
Nanomechanical topological insulators with an auxiliary orbital degree of freedom
Jingwen Ma, Xiang Xi, Yuan Li +1
Discrete degrees of freedom, such as spin and orbital, can provide intriguing strategies to manipulate electrons, photons, and phonons. With a spin degree of freedom, topological i…
Topological photonic integrated circuits based on valley kink states
Jingwen Ma, Xiang Xi, Xiankai Sun
Valley pseudospin, a new degree of freedom in photonic lattices, provides an intriguing way to manipulate photons and enhance the robustness of optical networks. Here we experiment…
Photonic integrated circuits in the continuum
Zejie Yu, Xiang Xi, Jingwen Ma +3
Waves that are perfectly confined in the continuous spectrum of radiating waves without interaction with them are known as bound states in the continuum (BICs). Despite recent disc…
Hybrid graphene/silicon integrated optical isolators with photonic spin-orbit interaction
Jingwen Ma, Xiang Xi, Zejie Yu +1
Optical isolators are an important building block in photonic computation and communication. In traditional optics, isolators are realized with magneto-optical garnets. However, it…