ORCID Profile
0000-0002-1013-6636
Current Organisations
University of Southampton
,
Nanyang Technological University
,
Moskovskij gosudarstvennyj universitet imeni M V Lomonosova
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Publisher: IOP Publishing
Date: 18-03-2011
Publisher: SPIE
Date: 25-06-2002
DOI: 10.1117/12.472975
Publisher: IEEE
Date: 12-2010
Publisher: Springer Science and Business Media LLC
Date: 23-08-2010
DOI: 10.1038/NMAT2810
Abstract: Since its discovery, the asymmetric Fano resonance has been a characteristic feature of interacting quantum systems. The shape of this resonance is distinctively different from that of conventional symmetric resonance curves. Recently, the Fano resonance has been found in plasmonic nanoparticles, photonic crystals, and electromagnetic metamaterials. The steep dispersion of the Fano resonance profile promises applications in sensors, lasing, switching, and nonlinear and slow-light devices.
Publisher: The Optical Society
Date: 03-2001
Publisher: Elsevier BV
Date: 11-2005
Publisher: Springer Science and Business Media LLC
Date: 08-10-2014
DOI: 10.1038/NCOMMS6139
Abstract: The development of metamaterials, data processing circuits and sensors for the visible and ultraviolet parts of the spectrum is h ered by the lack of low-loss media supporting plasmonic excitations. This has driven the intense search for plasmonic materials beyond noble metals. Here we show that the semiconductor Bi1.5Sb0.5Te1.8Se1.2, also known as a topological insulator, is also a good plasmonic material in the blue-ultraviolet range, in addition to the already-investigated terahertz frequency range. Metamaterials fabricated from Bi1.5Sb0.5Te1.8Se1.2 show plasmonic resonances from 350 to 550 nm, while surface gratings exhibit cathodoluminescent peaks from 230 to 1,050 nm. The observed plasmonic response is attributed to the combination of bulk charge carriers from interband transitions and surface charge carriers of the topological insulator. The importance of our result is in the identification of new mechanisms of negative permittivity in semiconductors where visible range plasmonics can be directly integrated with electronics.
Publisher: Springer Science and Business Media LLC
Date: 2003
Publisher: American Physical Society (APS)
Date: 09-12-2003
Publisher: Wiley
Date: 09-11-2016
Publisher: Elsevier BV
Date: 05-2000
Publisher: IOP Publishing
Date: 24-11-2003
Publisher: American Physical Society (APS)
Date: 14-03-2003
Publisher: Elsevier BV
Date: 11-2012
DOI: 10.1002/JPS.23304
Publisher: IEEE
Date: 10-2011
Publisher: American Chemical Society (ACS)
Date: 23-08-2010
DOI: 10.1021/NL1002813
Abstract: A pair of coupled gold nanorods excited by a beam of free electrons acts as a transmitting Hertzian antenna in the optical part of the spectrum. Significantly enhanced resonant emission is observed from the antenna when the electron beam is injected around the junction between the rods, where the local density of electromagnetic states is elevated.
Publisher: Wiley
Date: 24-10-2011
Abstract: Periodic nanostructuring can enhance the optical nonlinearity of plasmonic metals by several orders of magnitude. By patterning a gold film, the largest sub-100 femtosecond nonlinearity is achieved, which is suitable for terahertz rate all-optical data processing as well as ultrafast optical limiters and saturable absorbers.
Publisher: The Optical Society
Date: 04-2001
DOI: 10.1364/OL.26.000441
Abstract: We present what is to our knowledge the first experimental study of light-induced reflectivity changes at an alpha-Ga/Si interface irradiated by femtosecond and picosecond laser pulses. After exposure, the reflectivity can increase from R?0.55 , which is typical for alpha-Ga , to R?0.8 , which is close to that of liquid Ga. The initial step in the reflectivity change of 2-4 ps is resolved with 150-fs laser pulses. The light-induced reflectivity change relaxes during 100ns-10 mus , depending strongly on the background temperature of the Ga mirror and the laser fluence.
Publisher: OSA
Date: 2014
Publisher: The Optical Society
Date: 06-2001
DOI: 10.1364/OL.26.000852
Location: United Kingdom of Great Britain and Northern Ireland
Location: Russian Federation
No related grants have been discovered for Nikolay Zheludev.