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| 1 | Antenna-assisted picosecond control of nanoscale phase transition in vanadium dioxide显示文摘Nanoscale devices in which the interaction with light can be configured using external control signals hold great interest for next-generation optoelectronic circuits.Materials exhibiting a structural or electronic phase transition offer a large modulation contrast with multi-level optical switching and memory functionalities.In addition,plasmonic nanoantennas can provide an efficient enhancement mechanism for both the optically induced excitation and the readout of materials strategically positioned in their local environment.Here,we demonstrate picosecond all-optical switching of the local phase transition in plasmonic antenna-vanadium dioxide(VO_(2))hybrids,exploiting strong resonant field enhancement and selective optical pumping in plasmonic hotspots.Polarization-and wavelength-dependent pump–probe spectroscopy of multifrequency crossed antenna arrays shows that nanoscale optical switching in plasmonic hotspots does not affect neighboring antennas placed within 100 nm of the excited antennas.The antenna-assisted pumping mechanism is confirmed by numerical model calculations of the resonant,antenna-mediated local heating on a picosecond time scale.The hybrid,nanoscale excitation mechanism results in 20 times reduced switching energies and 5 times faster recovery times than a VO_(2) film without antennas,enabling fully reversible switching at over two million cycles per second and at local switching energies in the picojoule range.The hybrid solution of antennas and VO_(2) provides a conceptual framework to merge the field localization and phase-transition response,enabling precise,nanoscale optical memory functionalities. | Otto L Muskens Luca Bergamini Yudong Wang Jeffrey M Gaskell Nerea Zabala CH de Groot David W Sheel Javier Aizpurua | 2016 | Light(Science & Applications)2016，5，1： | 5 |
| 2 | Stable isotope labelling in vivo as an aid to protein identification in peptidemass fingerprinting显示文摘 | PRATT J M ROBERTSON D H L GASKELL S J | 2002 | Proteomics2002，2，： | 1 |
| 3 | Stokes flow in closed, rectangular domains 显示文摘 | Gaskell P H Savage M D Summers J L Thompson H M | 1998 | Applied Mathemat- ical Modelling1998，22，： | 1 |
| 4 | Stable isotope labelling in vivo as an aid to protein identification in peptide mass fingerprinting显示文摘 | Pratt J M Robertson D H L Gaskell S J | 2002 | Proteomies2002，2，： | 1 |
| 5 | Stomatal frequency and stomatal resistance of maize hybrids differing in photosynthetic capability显示文摘 | Gaskell M L Pierce R B | 1983 | Crop Science1983，23，： | 1 |
| 6 | Stokes flow in closed,rectangular domains显示文摘 | Gaskell P H Savage M D Summers J L Thompson H M | 1998 | Applied Mathematical Modelling1998，22，： | 1 |
| 7 | Sequence analysis of MHC DRB alleles in domestic cats from the United Kingdom 显示文摘 | Kennedy L J Ryvar R Gaskell R M | 2002 | Immunogenetics2002，54，5： | 1 |
| 8 | Stokes flow in closed, rectangular domains显示文摘 | Gaskell P H Savage M D Summers J L | 1998 | Applied Mathematical Modelling1998，22，9： | 1 |
| 9 | A systematic approach to modeling, capturing, and disseminating proteomics experimental data显示文摘 | Taylor CF Paton NW Garwood KL Kirby PD Stead DA Yin Z Deutsch EW Selway L Walker J Riba-Garcia I Mohammed S Deery M J Howard JA Dunkley T Aebersold R Kell DB Lilley KS Roepstorff P Yates JR Brass A Brown A J Cash P Gaskell S J Hubbard | | 0，，： | 1 |
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