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Control of light emission of quantum emitters coupled to silicon nanoantenna using cylindrical vector beams

Light(Science & Applications) 2023年第10期12卷 2248-2255页

作者： Martin Montagnac Yoann Brûlé Aurélien Cuche Jean-Marie Poumirol Sébastien J.Weber Jonas Müller guilhem Larrieu Vincent Larrey Franck Fournel Olivier Boisron Bruno Masenelli gérard colas des francs gonzague Agez Vincent Paillard CEMES-CNRS Universitéde ToulouseToulouseFrance ICB Universitéde BourgogneCNRSDijonFrance LAAS-CNRS Universitéde ToulouseToulouseFrance CEA-LETI UniversitéGrenoble-AlpesGrenobleFrance Universitéde Lyon UniversitéLyon 1CNRS UMR 5510ILMVilleurbanneFrance Universitéde Lyon INSA LyonCNRSEcole Centrale de LyonUniversitéLyon 1CPEUMR 5270INLVilleurbanneFrance Bruno Masenelli

Light emission of europium(Eu^(3+))ions placed in the vicinity of optically resonant nanoantennas is usually controlled by tailoring the local density of photon states(LDOS).We show that the polarization and shape of the excitation beam can also be used to manipulate light emission,as azimuthally or radially polarized cylindrical vector beam offers to spatially shape the electric and magnetic fields,in addition to the effect of silicon nanorings(Si-NRs)used as *** photoluminescence(PL)mappings of the Eu^(3+)transitions and the Si phonon mappings are strongly dependent of both the excitation beam and the Si-NR *** experimental results of Raman scattering and photoluminescence are confirmed by numerical simulations of the near-field intensity in the Si nanoantenna and in the Eu^(3+)-doped film,*** branching ratios obtained from the experimental PL maps also reveal a redistribution of the electric and magnetic emission *** results show that it could be possible to spatially control both electric and magnetic dipolar emission of Eu^(3+)ions by switching the laser beam polarization,hence the near field at the excitation wavelength,and the electric and magnetic LDOS at the emission *** paves the way for optimized geometries taking advantage of both excitation and emission processes.

关键词： excitation cylindrical spatially

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The genetic Dissection of a Short-Term Response to Low CO_(2) Supports the Possibility for Peroxide-Mediated Decarboxylation of Photorespiratory Intermediates in the Peroxisome

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Molecular Plant 2012年第6期5卷 1413-1416页

作者： Olivier Keech Wenxu Zhou Ricarda Fenske Catherine colas-des-francs-Small John D.Bussell Murray R.Badger Steven M.Smith Centres of Excellence for Plant Metabolomics and Plant Energy Biology University of Western Australia35 Stirling HighwayCrawleyWestern Australia 6009Australia UPSC Department of Plant PhysiologyUmea University90187UmeaSweden Metabolomics Australia University of Western Australia35 Stirling HighwayCrawleyWestern Australia 6009Australia Centre of Excellence in Plant Energy Biology Research School of BiologyAustralian National UniversitySullivans Creek RoadActon ACT 0200Australia

Dear Editor, Photorespiration reduces plant carbon assimilation by an estimated 25%-50% of net CO2 assimilation in typical C3 plants （Roussel and Igamberdiev, 2011）. It results from the oxygenase activity of Rubisco giving rise to phosphogly- colate. Subsequent photorespiratory metabolism involves decarboxylation of glycine in the mitochondrion and reduc- tion of hydroxypyruvate, usually assumed to occur in the peroxisome. Recent research in Arabidopsis has highlighted possible alternative sites of hydroxypyruvate reductase （HPR） activity （Figure 1A）. In addition to the accepted reduction by peroxisomal HPR1, Timm et al. （2008） identified cytosolic HPR2 and a putative chloroplast HPR3 （Timm et al., 2011）. For HPR2 or HPR3 to function in photorespiration, hydroxypyru- vate would first need to pass from the peroxisome into the cytosol. Another potential fate for hydroxypyruvate is its non-enzymic （NE） decarboxylation by reaction with hydrogen peroxide as previously suggested by experiments performed on isolated peroxisomes （Walton and Butt, 1981）.

关键词：二氧化碳过氧化氢过氧化物酶体类核酮糖二磷酸羧化酶基因内皮缩血管肽类脱羧文化适应

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NOTES DE LECTURE

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法国研究 1993年第1期 134-137页

作者： gérard Lahouati

Ninette Boothroyd et Muriel Détrie, Le Voyage en Chine, Anthologie des voyageurs ocddentaux du Moyen-Age à la chute de l’ empire chinois, Collection Bouquins, 1992, Editions Robert Laffont, 6 place Saint — Sulpice... 详细信息

关键词：人口编辑

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