Topological metasurface: From passive toward active and beyond

JW You, Z Lan, Q Ma, Z Gao, Y Yang, F Gao… - Photonics …, 2023 - opg.optica.org
Metasurfaces are subwavelength structured thin films consisting of arrays of units that allow
the control of polarization, phase, and amplitude of light over a subwavelength thickness …

Vortex nanolaser based on a photonic disclination cavity

MS Hwang, HR Kim, J Kim, BJ Yang, Y Kivshar… - Nature …, 2024 - nature.com
Optical vector vortex beams provide additional degrees of freedom for spatially
distinguishable channels in data transmission. Although several coherent light sources …

Exploiting extraordinary topological optical forces at bound states in the continuum

H Qin, Y Shi, Z Su, G Wei, Z Wang, X Cheng, AQ Liu… - Science …, 2022 - science.org
Polarization singularities and topological vortices in photonic crystal slabs centered at
bound states in the continuum (BICs) can be attributed to zero amplitude of polarization …

Universal mirror-stacking approach for constructing topological bound states in the continuum

L Liu, T Li, Q Zhang, M Xiao, C Qiu - Physical Review Letters, 2023 - APS
Bound states in the continuum (BICs) are counterintuitive localized states with eigenvalues
embedded in the continuum of extended states. Recently, nontrivial band topology is …

Photonic Bound States in the Continuum in Nanostructures

H Zhong, T He, Y Meng, Q Xiao - Materials, 2023 - mdpi.com
Bound states in the continuum (BIC) have garnered considerable attention recently for their
unique capacity to confine electromagnetic waves within an open or non-Hermitian system …

Spin–orbit microlaser emitting in a four-dimensional Hilbert space

Z Zhang, H Zhao, S Wu, T Wu, X Qiao, Z Gao… - Nature, 2022 - nature.com
A step towards the next generation of high-capacity, noise-resilient communication and
computing technologies is a substantial increase in the dimensionality of information space …

[HTML][HTML] Nonlinear nonlocal metasurfaces

R Kolkowski, TK Hakala, A Shevchenko… - Applied Physics …, 2023 - pubs.aip.org
Optical metasurfaces have recently emerged as the game changer in light manipulation and
opened up new perspectives in many subfields of optics and photonics. Recent …

Bending sensing based on quasi bound states in the continuum in flexible terahertz metasurface

F Yang, J Li, L Wu, C Zheng, Z Yue, H Li… - Advanced Optical …, 2023 - Wiley Online Library
Bound states in the continuum (BIC) promote strong interaction between light and matter,
which has been introduced into the metasurfaces to achieve ultra‐high Q resonance and …

Room temperature exciton–polariton condensation in silicon metasurfaces emerging from bound states in the continuum

AM Berghuis, GW Castellanos, S Murai, JL Pura… - Nano …, 2023 - ACS Publications
We show the first experimental demonstration of room-temperature exciton–polariton (EP)
condensation from a bound state in the continuum (BIC). This demonstration is achieved by …

Dual control of enhanced quasi-bound states in the continuum emission from resonant c-si metasurfaces

Z Zhang, C Xu, C Liu, M Lang, Y Zhang, M Li, W Lu… - Nano Letters, 2023 - ACS Publications
Optical bound states in the continuum (BICs) offer strong interactions with quantum emitters
and have been extensively studied for manipulating spontaneous emission, lasing, and …