Optical meta-waveguides for integrated photonics and beyond

Y Meng, Y Chen, L Lu, Y Ding, A Cusano… - Light: Science & …, 2021‏ - nature.com
The growing maturity of nanofabrication has ushered massive sophisticated optical
structures available on a photonic chip. The integration of subwavelength-structured …

Airy beams and accelerating waves: an overview of recent advances

NK Efremidis, Z Chen, M Segev, DN Christodoulides - Optica, 2019‏ - opg.optica.org
Over the last dozen years, the area of accelerating waves has made considerable advances
not only in terms of fundamentals and experimental demonstrations, but also in connection …

Electromagnetic metasurfaces: physics and applications

S Sun, Q He, J Hao, S **ao, L Zhou - Advances in Optics and …, 2019‏ - opg.optica.org
Metasurfaces are ultrathin metamaterials consisting of planar electromagnetic (EM)
microstructures (eg, meta-atoms) with pre-determined EM responses arranged in specific …

Nonlinear photonic metasurfaces

G Li, S Zhang, T Zentgraf - Nature Reviews Materials, 2017‏ - nature.com
Compared with conventional optical elements, 2D photonic metasurfaces, consisting of
arrays of antennas with subwavelength thickness (the 'meta-atoms'), enable the …

High‐efficiency metasurfaces: principles, realizations, and applications

Q He, S Sun, S **ao, L Zhou - Advanced Optical Materials, 2018‏ - Wiley Online Library
Metasurfaces are planar metamaterials exhibiting certain inhomogeneous phase
distributions for transmitted or reflected waves, which can efficiently reshape the wave‐fronts …

Space-time wave packets

M Yessenov, LA Hall, KL Schepler… - Advances in Optics and …, 2022‏ - opg.optica.org
Space-time wave packets (STWPs) constitute a broad class of pulsed optical fields that are
rigidly transported in linear media without diffraction or dispersion, and are therefore …

Meta-optics inspired surface plasmon devices

Q Xu, Y Lang, X Jiang, X Yuan, Y Xu, J Gu… - Photonics …, 2023‏ - spiedigitallibrary.org
Surface plasmons (SPs) are electromagnetic surface waves that propagate at the interface
between a conductor and a dielectric. Due to their unique ability to concentrate light on two …

Efficient meta-couplers squeezing propagating light into on-chip subwavelength devices in a controllable way

Y Chen, X Zheng, X Zhang, W Pan, Z Wang, S Li… - Nano Letters, 2023‏ - ACS Publications
On-chip photonic systems play crucial roles in nanoscience and nanoapplications, but
coupling external light to these subwavelength devices is challenging due to a large mode …

Subwavelength control of light transport at the exceptional point by non-Hermitian metagratings

Y Xu, L Li, H Jeong, S Kim, I Kim, J Rho, Y Liu - Science advances, 2023‏ - science.org
The concept of non-Hermitian physics, originally developed in the context of quantum field
theory, has been investigated on distinct photonic platforms and created a plethora of …

Experimental realization of full control of reflected waves with subwavelength acoustic metasurfaces

Y Li, X Jiang, R Li, B Liang, X Zou, L Yin, J Cheng - Physical Review Applied, 2014‏ - APS
Metasurfaces with subwavelength thicknesses have exhibited unconventional phenomena
in ways that could not be mimicked by traditional materials. Here we report on the analytical …