supported by the Nationall Science Foundation(grant no.QI-TAQ5-1936359 and no.ECCS-2004685)and the Air Force fice of Scientifc Research(grant no.FA9550-14-1-0389 and no,FA9550-16-03221.S.C.M.acknowledges support from the NSF Graduate Research Fellowship Program(grant no.DGE-1644869).ACO.acknowledges support from the NSF IGERT program(grant no.DGE-1069240).Device fabrication was carried out at the Columbia Nano lnitiative dleanoom,and at the Advanced Science Research Center NanoFabrication Facility at the Gradute Center of the City University of New York.
Photonic devices rarely provide both elaborate spatial control and sharp spectral control over an incoming wavefront.In optical metasurfaces,for example,the localized modes of individual meta-units govern the wavefron...
supported in part by US National Institutes of Health(NIH)Grant R01 CA186567(NIH Director’s Transformative Research Award).
The multi-dimensional laser is a fascinating platform not only for the discovery and understanding of new higherdimensional coherent lightwaves but also for the frontier study of the complex three-dimensional(3D)nonli...
supported in part by NSF CAREER grant IIS-1652633;NSF grant IIS-1730574;DARPA REVEAL grant HR0011-16-C-0028;DARPA NESD program HR0011-17-C-0026.
Wavefront sensing is the simultaneous measurement of the amplitude and phase of an incoming optical field.Traditional wavefront sensors such as Shack-Hartmann wavefront sensor(SHWFS)suffer from a fundamental tradeoff ...
supported by the National Natural Science Foundation of China(61501499,11634010);Youth Talent Lifting Project of the China Association for Science and Technology(17-JCJQ-QT-003);National Defense Foundation of China(2201078);Key Program of Natural Science Foundation of Shaanxi Province(2017KJXX-24);China Scholarship Fund(201703170022);Aviation Science Foundation of China(20161996009);supports from the National Natural Science Foundation of China(61631007 and 61571117);the National Key Research and Development Program of China(2017YFA0700201,2017YFA0700202,2017YFA0700201);the 111 Project(111-2-05);the financial support from the National Research Foundation,Prime Minister’s Office,Singapore under its Competitive Research Program(CRP award NRF-CRP15-2015-03).
Achieving simultaneous polarization and wavefront control,especially circular polarization with the auxiliary degree of freedom of light and spin angular momentum,is of fundamental importance in many optical applicati...
support from the National Science Foundation under Grant No.ECCS-1653032 and DMR-1552871;the Office of Naval Research under Grant No.N00014-16-1-2408。
Metasurfaces,as a two-dimensional(2D)version of metamaterials,have drawn considerable attention for their revolutionary capability in manipulating the amplitude,phase,and polarization of light.As one of the most impor...
supported by the Swiss National Science Foundation(grants 200020_153662 and 200021_162453).
Controlling the phase of an electromagnetic field using plasmonic nanostructures provides a versatile way to manipulate light at the nanoscale.Broadband phase modulation has been demonstrated using inhomogeneous metas...
We report on the first demonstration of a proof-of-principle optical fiber‘meta-tip’,which integrates a phase-gradient plasmonic metasurface on the fiber tip.For illustration and validation purposes,we present numer...
High-throughput single-cell analysis is a challenging task.Label-free tomographic phase microscopy is an excellent candidate to perform this task.However,in-line tomography is very difficult to implement in practice b...
This work is supported by the UK’s Engineering and Physical Sciences Research Council through Career Acceleration Fellowship EP/G00515X/1(V.A.F.);Programme grant EP/G060363/1,by the Royal Society,and by the MOE Singapore grant MOE2011-T3-1-005
Metasurfaces offer unprecedented flexibility in the design and control of light propagation,replacing bulk optical components and exhibiting exotic optical effects.One of the basic properties of the metasurfaces,which...
The authors thank E Bakkers from Eindhoven University of Technology for providing the nanowire sample.OLM and RB acknowledge financial support from EPSRC through grant EP/J016918/1.
We demonstrate a new concept for reconfigurable nanophotonic devices exploiting ultrafast nonlinear control of shaped wavefronts in a multimode nanomaterial consisting of semiconductor nanowires.Femtosecond pulsed las...