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20202026
most citedObservation of enhanced free-electron radiation from photonic flatband resonances

116 citations · 275 across the 14 of their papers we have counts for

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physics.optics2026

Twist-Reconfigurable van der Waals Moiré Photonic Crystals

Hugo Quard, Jiyun Kim, Anastasiia Zalogina +7

Moiré photonics has emerged as a fascinating concept to design and in situ control of the optical bands. Moiré enabled light localisation arises from the relative twist between per…

physics.optics2025★ 2 cited

Moire-enabled optical vortex with tunable topological charge in twisted bilayer photonic crystals

Tiancheng Zhang, Li Lei, Changhao Ding +11

The orbital angular momentum (OAM) of light is a versatile degree of freedom with transformative impact across optical communication, imaging, and micromanipulation. These applicat…

physics.optics2025★ 1 cited

A Van der Waals Moiré Bilayer Photonic Crystal Cavity

Lesley Spencer, Nathan Coste, Xueqi Ni +9

Enhancing light-matter interactions with photonic structures is critical in classical and quantum nanophotonics. Recently, Moiré twisted bilayer optical materials have been propose…

physics.optics2024

Control of chirality and directionality of nonlinear metasurface light source via twisting

Huanyu Zhou, Xueqi Ni, Beicheng Lou +3

Metasurfaces have revolutionized nonlinear and quantum light manipulation in the past decade, enabling the design of materials that can tune polarization, frequency, and direction…

physics.optics2023★ 6 cited

On-Chip Multidimensional Dynamic Control of Twisted Moiré Photonic Crystal for Smart Sensing and Imaging

Haoning Tang, Beicheng Lou, Fan Du +8

Reconfigurable optics, optical systems that have a dynamically tunable configuration, are emerging as a new frontier in photonics research. Recently, twisted moiré photonic crystal…

physics.optics2023★ 3 cited

Three Dimensional Reconfigurable Optical Singularities in Bilayer Photonic Crystals

Xueqi Ni, Yuan Liu, Beicheng Lou +5

Metasurfaces and photonic crystals have revolutionized classical and quantum manipulation of light, and opened the door to studying various optical singularities related to phases…

physics.optics2023★ 1 cited

On-chip optical twisted bilayer photonic crystal

Haoning Tang, Beicheng Lou, Fan Du +6

Recently, moiré engineering has been extensively employed for creating and studying novel electronic materials in two dimensions. However, its application in nanophotonic systems h…

physics.optics2022★ 58 cited

On-chip Light Trapping in Bilayer Moiré Photonic Crystal Slabs

Haoning Tang, Xueqi Ni, Fan Du +1

There has been remarkable recent progress in the formation of nano-resonators that support ultra-low-loss, compact dielectric photonic crystals with exceptional high-Q modes that o…

physics.optics2021★ 116 cited

Observation of enhanced free-electron radiation from photonic flatband resonances

Yi Yang, Charles Roques-Carmes, Steven E. Kooi +6

Flatbands emerge from a myriad of structures such as Landau levels, Lieb and Kagome lattices, linegraphs, and more recently moire superlattices. They enable unique properties inclu…

physics.optics2021★ 12 cited

Modeling the optical properties of Twisted Bilayer Photonic Crystals

Haoning Tang, Fan Du, Stephen Carr +3

We demonstrate a photonic analog of twisted bilayer graphene that has ultra-flat photonic bands and exhibits extreme slow light behavior. Our twisted bilayer photonic device, which…

physics.optics2020★ 72 cited

Low-loss Zero-Index Materials

Haoning Tang, Clayton DeVault, Phil Camayd-Munoz +7

Materials with a zero refractive index support electromagnetic modes that exhibit stationary phase profiles. While such materials have been realized across the visible and near-inf…