The field of subwavelength optics has opened new avenues for investigating light–matter interactions by enabling the exploration of novel phenomena at the subwavelength scale. In recent decades,advancements in fundam...
supported by the National Natural Science Foundation of China(No.62305057);the Guangdong Basic and Applied Basic Research Foundation(Nos.2021B1515020095,2021A1515110919,and 2019A1515110243);the Research Fund of Guangdong-Hong Kong-Macao Joint Laboratory for Intelligent Micro-Nano Optoelectronic Technology(No.2020B1212030010)。
Orbital angular momentum(OAM)waveguides are critical for multi-channel photonic-on-chip applications.However,current large-mode-area waveguides pose a challenge for OAM device miniaturization.Here,a novel hybrid plasm...
supported by the National Key Research and Development Program of China(Grant No.2022YFB3806000);National Natural Science Foundation of China(52332006)
Achieving subwavelength optical focusing is of great importance in nanophotonics.However,achieving focusing with both a small focal spot size and a large focal length remains elusive so far.Here,a large focal length p...
Project supported by the Natural Science Foundation of Guangdong Province (Grant No.2021A1515012335);the National Natural Science Foundation of China (Grant No.11274400);Pearl River S&T Nova Program of Guangzhou (Grant No.201506010059);State Key Laboratory of High Field Laser Physics (Shanghai Institute of Optics and Fine Mechanics);State Key Laboratory of Optoelectronic Materials and Technologies (Sun Yat-Sen University)。
It is well known that femtosecond laser pulses can easily spontaneously induce deep-subwavelength periodic surface structures on transparent dielectrics but not on non-transparent semiconductors.Nevertheless,in this s...
supported by the National Natural Science Foundation of China (Grant Nos.62205079,62065006,62125503,and 62261160388);the Natural Science Foundation of Hubei Province of China (Grant No.2023AFA028);the Innovation Project of GUET Graduate Education (Grant No.2023YCXS214);the Innovation Project of Optics Valley Laboratory (Grant No.OVL2021BG004).
A pin-like beam is a kind of structured light with a special intensity distribution that can be against diffraction,which can be seen as a kind of quasi-nondiffracting beam(Q-NDB).Due to its wide applications,recently...
Effective medium theory(EMT)has been widely applied in material science,electromagnetics and photonics to determine the effective material properties for inhomogeneous composites comprising subwavelength structures.Th...
the financial support from the German Research Foundation(DFG)under Germany’s Excellence Strategy within the Cluster of Excellence PhoenixD(EXC 2122,Project ID 390833453).
The demand for miniaturization and integration of optical elements has fostered the development of various micro-and nanofabrication technologies.In this work,we developed a low-cost UV-LED-based microscope projection...
supported by the National Natural Science Foundation of China(Grant Nos.11874321,and 12174338);the Major Discipline Academic and Technical Leaders Training Program of Jiangxi Province(Grant No.20204BCJ22012);the UM for Copper Fellowship support。
The physical properties of light fields at the subwavelength scale have emerged as extensively pursued objectives in nano-optics,photonics,and plasmonics.Here,we report that in the paraxial regime,the spectral density...
supported by the National Natural Science Foundation of China(Nos.52175377 and 12174411)。
High-repetition rate femtosecond lasers are shown to drive heat accumulation processes that are attractive for femtosecond laser-induced subwavelength periodic surface structures on silicon.Femtosecond laser micromach...
supported by the National Natural Science Foundation of China(Nos.62220106005,62075001,and 62175004);the Science Foundation of Education Commission of Beijing(No.KZ202010005008)。
The converging lens is one of the key components in high-resolution terahertz imaging.In this Letter,a binary diffractive lens is proposed for the scanning imaging system working at 278.6 GHz,in which a convergent bea...