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9篇 您的检索式:作者名="Kavokin"
    题名 作者 年代 出处 被引量
1Light-absorptioneffect on Bragg interference in multilayer semiconductor heterostructures显示文摘Kavokin A V Kaliteevski M A 0,,02:1
2Lossless interface modes at the boundary between two periodic dielectric structures 显示文摘A V Kavokin I A Shelykh G Malpuech 2005Phys Rev B2005,72,23:1
3查看详情显示文摘Kavokin A Malpuech G Glazov M 0,,:1
4ZnO as a Material Mostly Adapted for the Realization of Roomtemperature Polariton Lasers显示文摘ZAMFIRESCU M KAVOKIN A GIL B 2002Phys Rev B2002,65,16:1
5Tuning the chemiluminescence of a luminol flow using plasmonic nanoparticles显示文摘We have discovered a strong increase in the intensity of the chemiluminescence of a luminol flow and a dramatic modification of its spectral shape in the presence of metallic nanoparticles.We observed that pumping gold and silver nanoparticles into a microfluidic device fabricated in polydimethylsiloxane prolongs the glow time of luminol.We have demonstrated that the intensity of chemiluminescence in the presence of nanospheres depends on the position along the microfluidic serpentine channel.We show that the enhancement factors can be controlled by the nanoparticle size and material.Spectrally,the emission peak of luminol overlaps with the absorption band of the nanospheres,which maximizes the effect of confined plasmons on the optical density of states in the vicinity of the luminol emission peak.These observations,interpreted in terms of the Purcell effect mediated by nano-plasmons,form an essential step toward the development of microfluidic chips with gain media.Practical implementation of the discovered effect will include improving the detection limits of chemiluminescence for forensic science,research in biology and chemistry,and a number of commercial applications.Alina Karabchevsky Ali Mosayyebi Alexey V Kavokin 2016Light(Science & Applications)2016,5,1:1
6显示文摘Bigenwald P Kavokin A Gil B 2001Phys Rev2001,63,03:1
7Polarization shaping of Poincare´ beams by polariton oscillations显示文摘We propose theoretically and demonstrate experimentally the generation of light pulses whose polarization varies temporally to cover selected areas of the Poincare´sphere with both tunable swirling speed and total duration(1 ps and 10 ps,respectively,in our implementation).The effect relies on the Rabi oscillations of two polariton polarized fields excited by two counter-polarized and delayed pulses.The superposition of the oscillating fields result in the precession of the Stokes vector of the emitted light while polariton lifetime imbalance results in its drift from a circle of controllable radius on the Poincare´sphere to a single point at long times.The positioning of the initial circle and final point allows to engineer the type of polarization spanning,including a full sweeping of the Poincare´sphere.The universality and simplicity of the scheme should allow for the deployment of time-varying full-Poincare´polarization fields in a variety of platforms,timescales,and regimes.David Colas Lorenzo Dominici Stefano Donati Anastasiia A Pervishko Timothy CH Liew Ivan A Shelykh Dario Ballarini Milena de Giorgi Alberto Bramati Giuseppe Gigli Elena del Valle Fabrice P Laussy Alexey V Kavokin Daniele Sanvitto 2015Light(Science & Applications)2015,4,1:1
8Lossless interface modes at the boundary between two periodic dielectric structures显示文摘Kavokin A V Shelykh I A Malpuech G 0,,:1
9Liquid light at room temperature显示文摘In their recent review article Ghosh et al.provide an overview of room-temperature polaritonics,which may be also referred to as physics of liquid light[1].The quanta of liquid light,exciton polaritons,combine properties of photons and of excitons,electrically neutral semiconductor crystal quasiparticles.Polaritonics made tremendous steps forward in the 21st century thanks to the experimental observation of bosonic condensates and superfluids of exciton polaritons at elevated temperatures in a great variety of material systems.Coherent fluids of exciton polaritons can be efficiently controlled by laser light and/or by applied electric and magnetic fields.This opens ways to many applications,including but not limited to polariton lasing,optical switching,polariton simulators,neuromorphic computing,quantum computing,and polariton-induced superconductivity.Ghoch et al.provide a detailed analysis of the material systems suitable for room temperature polaritonics starting from wide-bandgap inorganic semiconductors such as GaN and ZnO,and carefully discuss also organic microcavities,perovskites,transition metal dichalcogenides,and hybrid structures.They discuss the advantages and disadvantages of these systems emphasizing recent experimental findings in each system.Alexey Kavokin 2022Photonics Insights2022,1,1:0
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