Zobrazeno 1 - 10
of 26
pro vyhledávání: '"Ward D. Newman"'
Autor:
Saman Jahani, Sangsik Kim, Jonathan Atkinson, Justin C. Wirth, Farid Kalhor, Abdullah Al Noman, Ward D. Newman, Prashant Shekhar, Kyunghun Han, Vien Van, Raymond G. DeCorby, Lukas Chrostowski, Minghao Qi, Zubin Jacob
Publikováno v:
Nature Communications, Vol 9, Iss 1, Pp 1-9 (2018)
Miniaturization of optical components could give way to dense photonic-integrated circuits. Here, the authors demonstrate the control of evanescent waves using all-dielectric metamaterials and show that they can reduce cross-talk and bending loss, wh
Externí odkaz:
https://doaj.org/article/58f974e659874eff8bf67ad7b81c905c
Autor:
Ward D. Newman, Kenneth C. Cadien, Robert Fedosejevs, Cristian L. Cortes, Zubin Jacob, Amir Afshar, Al Meldrum
Publikováno v:
Science Advances
Metamaterials mediate long-range dipole-dipole interactions between quantum emitters.
Dipole-dipole interactions (Vdd) between closely spaced atoms and molecules are related to real photon and virtual photon exchange between them and decrease in
Dipole-dipole interactions (Vdd) between closely spaced atoms and molecules are related to real photon and virtual photon exchange between them and decrease in
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a82fa634dbe952a79c1094623b620046
https://doi.org/10.1126/sciadv.aar5278
https://doi.org/10.1126/sciadv.aar5278
Autor:
Aman Satija, Ryan Starko-Bowes, Ying Tsui, Sandipan Pramanik, Manisha Gupta, Jin Dai, Zubin Jacob, Limei Qi, Ward D. Newman, Robert Fedosejevs, Sean Molesky, Yi Xuan
Thermal radiation from an unpatterned object is similar to that of a gray body. The thermal emission is insensitive to polarization, shows only Lambertian angular dependence, and is well modeled as the product of the blackbody distribution and a scal
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::035d867e192e10d8230220bb3ec8ab6d
http://arxiv.org/abs/1805.10571
http://arxiv.org/abs/1805.10571
Autor:
Sangsik Kim, Ward D. Newman, Jonathan Atkinson, Prashant Shekhar, Vien Van, Farid Kalhor, Ray G. DeCorby, Justin C. Wirth, Zubin Jacob, Lukas Chrostowski, Minghao Qi, Abdullah Al Noman, Saman Jahani, Kyunghun Han
Publikováno v:
Nature Communications
Nature Communications, Vol 9, Iss 1, Pp 1-9 (2018)
Nature Communications, Vol 9, Iss 1, Pp 1-9 (2018)
Ultra-compact, densely integrated optical components manufactured on a CMOS-foundry platform are highly desirable for optical information processing and electronic-photonic co-integration. However, the large spatial extent of evanescent waves arising
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::dc91a1073d88a4dfd73297973474965d
https://doi.org/10.1038/s41467-018-04276-8
https://doi.org/10.1038/s41467-018-04276-8
Autor:
Cristian L. Cortes, Jon Atkinson, Ward D. Newman, Ray G. DeCorby, Zubin Jacob, Sandipan Pramanik
Publikováno v:
ACS Photonics. 2:2-7
We observe unique absorption resonances in silver/silica multilayer-based epsilon-near-zero (ENZ) metamaterials that are related to radiative bulk plasmon-polariton states of thin-films originally studied by Ferrell (1958) and Berreman (1963). In the
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6174ed94a0d89d70b90aaa77010c4ae8
https://doi.org/10.1021/ph5003297
https://doi.org/10.1021/ph5003297
Autor:
Nikolay I. Zheludev, Todd Van Mechelen, Ward D. Newman, Farid Kalhor, Zubin Jacob, Mikhail A. Noginov, Nader Engheta
Publikováno v:
Metamaterials, Metadevices, and Metasystems 2017.
We show the existence of an inherent property of evanescent electromagnetic waves: spin-momentum locking, where the direction of momentum fundamentally locks the polarization of the wave. We trace the ultimate origin of this phenomenon to complex dis
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::baffda1caaa57433ee65b6cb3556c97b
https://doi.org/10.1117/12.2274897
https://doi.org/10.1117/12.2274897
Autor:
Stephen Ogg, Neda Nazemifard, Zubin Jacob, Swapnali Shende, Sarang Pendharker, Ward D. Newman
Optical tomographic reconstruction of a 3D nanoscale specimen is hindered by the axial diffraction limit, which is 2-3 times worse than the focal plane resolution. We propose and experimentally demonstrate an axial super-resolution evanescent wave to
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::880881f37db054e05f7dbc029603ddaa
http://arxiv.org/abs/1611.03546
http://arxiv.org/abs/1611.03546
Autor:
Regina Sinelnikov, An Nguyen, Ward D. Newman, Jonathan G. C. Veinot, Sarah Sun, R. Lockwood, Christina M. Gonzalez, Al Meldrum
Publikováno v:
Nanotechnology. 27(10)
Silicon quantum dots (Si-QDs) represent a well-known QD fluorophore that can emit throughout the visible spectrum depending on the interface structure and surface functional group. Detection of nitroaromatic compounds by monitoring the luminescence r
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e231fc13b0e02902e0eb536164132010
https://pubmed.ncbi.nlm.nih.gov/26863492
https://pubmed.ncbi.nlm.nih.gov/26863492
Autor:
Kenneth C. Cadien, Ward D. Newman, Robert Fedosejevs, Zubin Jacob, Amir Afshar, Cristian Corte, Al Meldrum
Publikováno v:
Conference on Lasers and Electro-Optics.
We demonstrate experimentally that hyperbolic metamaterials fundamentally alter dipole-dipole interactions conventionally limited to the near-field. The effect is captured in long-range energy transfer and lifetime reduction of donor emitters due to
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2a5a37f41b2cdf98788358c889c2fffd
https://doi.org/10.1364/cleo_qels.2016.fth4d.1
https://doi.org/10.1364/cleo_qels.2016.fth4d.1
Autor:
Ward D. Newman
Publikováno v:
Eureka. 3:11-18
I demonstrate that hyperbolic metamaterials may provide the solution to the long-standing prob- lem of the fundamental diffraction limit plaguing conventional microscopy and optical imaging sys- tems. Presented here is the formalism of the theory, cl
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3218a170de984f147a980db7d17264a8
https://doi.org/10.29173/eureka10334
https://doi.org/10.29173/eureka10334