Zobrazeno 1 - 10
of 81
pro vyhledávání: '"Hayk Harutyunyan"'
Autor:
Robert Lemasters, Manoj Manjare, Ryan Freeman, Feng Wang, Luka Guy Pierce, Gordon Hua, Sergei Urazhdin, Hayk Harutyunyan
Publikováno v:
Nature Communications, Vol 15, Iss 1, Pp 1-8 (2024)
Abstract Photoluminescence from spatially inhomogeneous plasmonic nanostructures exhibits fascinating wavelength-dependent nonlinear behaviors due to the intraband recombination of hot electrons excited into the conduction band of the metal. The prop
Externí odkaz:
https://doaj.org/article/848ab6f6add242088e70fcaf165fa6d9
Autor:
Surendra B. Anantharaman, Jason Lynch, Christopher E. Stevens, Christopher Munley, Chentao Li, Jin Hou, Hao Zhang, Andrew Torma, Thomas Darlington, Francis Coen, Kevin Li, Arka Majumdar, P. James Schuck, Aditya Mohite, Hayk Harutyunyan, Joshua R. Hendrickson, Deep Jariwala
Publikováno v:
Light: Science & Applications, Vol 13, Iss 1, Pp 1-10 (2024)
Abstract Excitons, bound electron–hole pairs, in two-dimensional hybrid organic inorganic perovskites (2D HOIPs) are capable of forming hybrid light-matter states known as exciton-polaritons (E–Ps) when the excitonic medium is confined in an opti
Externí odkaz:
https://doaj.org/article/d34fcb009efe424a9ba62f2b66d3c270
Publikováno v:
Scientific Reports, Vol 12, Iss 1, Pp 1-11 (2022)
Abstract Alzheimer’s disease (AD) is a type of dementia that affects memory, thinking and behavior. Symptoms eventually become severe enough to interfere with daily tasks. Understanding the etiology and pathogenesis of AD is necessary for the devel
Externí odkaz:
https://doaj.org/article/d8d937915000452e9f24f0462a71ac21
Publikováno v:
Advanced Photonics Research, Vol 3, Iss 10, Pp n/a-n/a (2022)
Despite remarkable progress in passive nonlinear nanophotonics, dynamically controlled ultracompact nonlinear optical sources with high efficiency remain elusive. Nonvolatility, large refractive index contrast between amorphous and crystalline phases
Externí odkaz:
https://doaj.org/article/506971171d4c4b0bb150f5a543faaf5f
Autor:
Chentao Li, Xinyu Tian, Guoce Yang, Sukrith U. Dev, Monica S. Allen, Jeffery W. Allen, Hayk Harutyunyan
Publikováno v:
Physical Review Research, Vol 5, Iss 1, p 013198 (2023)
Epsilon-near-zero (ENZ) materials such as indium tin oxide (ITO) have recently emerged as a new platform to enhance optical nonlinearities. Here we report a theoretical and experimental study on the origin of nonlinearities in ITO films that are domi
Externí odkaz:
https://doaj.org/article/5e27bd8aa04a43d8a356abc3747980ad
Publikováno v:
Scientific Reports, Vol 12, Iss 1, Pp 1-1 (2022)
Externí odkaz:
https://doaj.org/article/83da7b35360346ee90545c46c0379a9f
Autor:
Tal Heilpern, Manoj Manjare, Alexander O. Govorov, Gary P. Wiederrecht, Stephen K. Gray, Hayk Harutyunyan
Publikováno v:
Nature Communications, Vol 9, Iss 1, Pp 1-6 (2018)
The determination of thermal and non-thermal carrier populations in plasmonic systems generally requires assumptions on the types of distributions present. Here, Heilpern et al. directly determine such populations in thin film pump-probe measurements
Externí odkaz:
https://doaj.org/article/ca77ddde14c24ca69d4198aa9d0fc83f
Autor:
Magdalina Melkonyan, Ashkhen Manukyan, Lilit Hunanyan, Artem Grigoryan, Hayk Harutyunyan, Lilit Sukiasyan, Lusine Danielyan, Konstantin Yenkoyan
Publikováno v:
Pharmaceuticals, Vol 14, Iss 6, p 529 (2021)
Noise is a wide-spread stress factor in modern life produced by urbanization, traffic, and an industrialized environment. Noise stress causes dysfunction and neurotransmission impairment in the central nervous system, as well as changes in hormone le
Externí odkaz:
https://doaj.org/article/424748b9e7a5426fbe407fc04496bc21
Autor:
Michail Aghajanov, Senik Matinyan, Vergine Chavushyan, Margarita Danielyan, Gohar Karapetyan, Margarita Mirumyan, Katarine Fereshetyan, Hayk Harutyunyan, Konstantin Yenkoyan
Publikováno v:
International Journal of Molecular Sciences, Vol 22, Iss 13, p 7084 (2021)
Alzheimer’s disease (AD)-associated neurodegeneration is triggered by different fragments of amyloid beta (Aβ). Among them, Aβ (25–35) fragment plays a critical role in the development of neurodegeneration—it reduces synaptic integrity by dis
Externí odkaz:
https://doaj.org/article/7b896dfc23ee4f2e8bedf200f93611d0
Autor:
Ryan Freeman, Robert Lemasters, Tomi Kalejaiye, Feng Wang, Guanxiong Chen, Jinjun Ding, Mingzhong Wu, Vladislav E. Demidov, Sergej O. Demokritov, Hayk Harutyunyan, Sergei Urazhdin
Publikováno v:
Physical Review Research, Vol 2, Iss 3, p 033427 (2020)
Microfocus Brillouin light scattering is a powerful technique for the spectroscopic and spatial characterization of elementary excitations in materials. However, the small momentum of light limits the accessible excitations to the center of the Brill
Externí odkaz:
https://doaj.org/article/a89160322357494b833b8a5241945b51