Recent advances in understanding the hot-electron dynamics in plasmonic nanostructures have significantly impacted a variety of plasmonically powered physical,chemical,and even biological processes.New insights into t...
supported by the National Natural Science Foundation of China(No.62205227,No.62120106001);the Natural Science Foundation of the Jiangsu Higher Education Institutions of China(No.22KJB140005,No.23KJA510008);the Suzhou Science and Technology Plan Projects(No.SYG202124,No.SYG202304);the Key Lab of Advanced Optical Manufacturing Technologies of Jiangsu Province,Soochow University(No.ZZ2311,No.ZZ2112);State Key Laboratory of Silicon and Advanced Semiconductor Materials,Zhejiang University(No.SKL2023−01).
Pyroelectric(PE)detection technologies have attracted extensive attention due to the cooling-free,bias-free,and broadband properties.However,the PE signals are generated by the continuous energy conversion processes f...
H.Y.is grateful to the financial support from the National Key Research and Development Program of China(Grant Nos.2022YFA1404700 and 2021YFA1400100);the National Natural Science Foundation of China(Grant No.12074085);the Natural Science Foundation of Shanghai(Grant No.23XD1400200);C.W.is grateful to the financial support from the National Natural Science Foundation of China(Grant Nos.12274030,11704075);the National Key Research and Development Program of China(Grant No.2022YFA1403400);F.S.acknowledges the financial support from the National Key Research and Development Program of China(Grant No.2017YFA0303203);the National Natural Science Foundation of China(Grant Nos.92161201,12025404,11904165,and 12274208);the Natural Science Foundation of Jiangsu Province(Grant No.BK20190286);S.H.is grateful to the financial support from the China Postdoctoral Science Foundation(Grant No.2020TQ0078);Part of the experimental work was carried out in Fudan Nanofabrication Lab.
Naturally existing in-plane hyperbolic polaritons and the associated optical topological transitions,which avoid the nano-structuring to achieve hyperbolicity,can outperform their counterparts in artificial metasurfac...
Exploiting a plasmonic resonance,near-perfect grating structures have been reported,with a regularity that exceeds typical commercially available diffraction gratings.
supported by the National Key Research and Development Program of China(2019YFA0705400,2020YFB1505800,2019YFD0901100.and 2021YFA12015021.the National Natural Science Foundation of China(21925404,22021001,22002128,21991151,and 92161118).the Science and Technology Planning Project of Fujian Province(2021Y0104).the State Key Laboratory of Fine Chemicals Dalian University of Technology(KF2002 and the“111”Project(B17027).
The light-matter interaction between plasmonic nanocavity and exciton at the sub-diffraction limit is a central research field in nanophotonics.Here,we demonstrated the vertical distribution of the light-matter intera...
Plasmonic structures made of a semiconductor-insulator-metal hybrid provide efficient routes for second-harmonic and sum-frequency generation in sub-micrometer structures,which ultimately may boost on-chip integrated ...
the support via the German Research Foundation DFG(CRC 1375 NOA);the financial support of the NSERC and the DFG(Project number 364549901-TRR 234 CataLight(C1)).
Tip-enhanced Raman spectroscopy(TERS)is currently widely recognized as an essential but still emergent technique for exploring the nanoscale.However,our lack of comprehension of crucial parameters still limits its pot...
financial support from the Air Force Office of Scientific Research MURI Grants(FA9550-14-1-0389 and AFOSR grant on transdimensional photonics);NSF Materials Research Science and Engineering Center(MRSEC)program(DMR 1120923);NSF Civil,Mechanical,and Manufacturing Innovation(CMMI)program(1538360);NSF Emerging Frontiers&Multidisciplinary Activities(EFMA#1641101);Purdue Discovery Park Big Idea Challenge program;the financial support from the DARPA/DSO Extreme Optics and Imaging(EXTREME)program(HR00111720032).
The recently proposed concept of graphene photodetectors offers remarkable properties such as unprecedented compactness,ultrabroadband detection,and an ultrafast response speed.However,owing to the low optical absorpt...
supported by National Natural Science Foundation of China(No.11825402,No.11654003,No.11974341,and No.11704375).
A high-Q hybrid plasmonic-photonic microresonator,which consists of a dielectric microdisk hybridized with a plasmonic nanoantenna dimer,enables an enlarged local density of states of the optical field and chiral prop...
supported by the National Science Foundation through CAREER grant#1552642;funds from the NSERC Discovery Grant program and from the Canada Foundation for Innovation(CFI)through the Prometheus project.
We demonstrate digital plasmonic holography for direct in-plane imaging with propagating surface-plasmon waves.Imaging with surface plasmons suffers from the lack of simple in-plane lenses and mirrors.Lens-less digita...