Nima Ashrafi

The University of Texas at Dallas — United States

Physics and Astronomy · Physical Sciences

15h-index2.8kcitations29works0.02yr avg
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Research Topics

Orbital Angular Momentum in Optics(26), Optical Wireless Communication Technologies(16), Optical Network Technologies(6), Metamaterials and Metasurfaces Applications(6), Plasmonic and Surface Plasmon Research(4)

Publications29 total

Multipath Effects in Millimetre-Wave Wireless Communication using Orbital Angular Momentum Multiplexing
Scientific Reports·2016· 52 citedOpen Access
Design challenges and guidelines for free-space optical communication links using orbital-angular-momentum multiplexing of multiple beams
Journal of Optics·2016· 49 cited
Atmospheric turbulence mitigation in an OAM-based MIMO free-space optical link using spatial diversity combined with MIMO equalization
Optics Letters·2016· 96 cited
Tunable generation and angular steering of a millimeter-wave orbital-angular-momentum beam using differential time delays in a circular antenna array
2016· 19 cited
A dual-channel 60 GHz communications link using patch antenna arrays to generate data-carrying orbital-angular-momentum beams
2016· 32 cited
32-Gbit/s 60-GHz millimeter-wave wireless communication using orbital angular momentum and polarization multiplexing
2016· 51 cited
Orbital-angular-momentum-multiplexed free-space optical communication link using transmitter lenses
Applied Optics·2016· 30 citedOpen Access
Experimental characterization of a 400  Gbit/s orbital angular momentum multiplexed free-space optical link over 120 m
Optics Letters·2016· 174 citedOpen Access
Patch Antenna Array for the Generation of Millimeter-Wave Hermite–Gaussian Beams
IEEE Antennas and Wireless Propagation Letters·2016· 23 cited
CMA Equalization for a 2 Gb/s Orbital Angular Momentum Multiplexed Optical Underwater Link through Thermally Induced Refractive Index Inhomogeneity
Conference on Lasers and Electro-Optics·2016· 3 cited
Physical phaseplate for the generation of a millimeter-wave hermite-Gaussian beam
2016· 1 cited
Demonstration of using Passive Integrated Phase Masks to Generate Orbital-Angular-Momentum Beams in a Communications Link
Conference on Lasers and Electro-Optics·2016
Free-space optical communications using orbital-angular-momentum multiplexing combined with MIMO-based spatial multiplexing
Optics Letters·2015· 89 cited
Dividing and multiplying the mode order for orbital-angular-momentum beams
2015· 2 cited
Exploiting the unique intensity gradient of an orbital-angular-momentum beam for accurate receiver alignment monitoring in a free-space communication link
2015· 4 cited
Experimental measurements of multipath-induced intra- and inter-channel crosstalk effects in a millimeter-wave communications link using orbital-angular-momentum multiplexing
2015· 24 cited
Experimental demonstration of 16-Gbit/s millimeter-wave communications link using thin metamaterial plates to generate data-carrying orbital-angular-momentum beams
2015· 24 cited
Performance metrics and design considerations for a free-space optical orbital-angular-momentum–multiplexed communication link
Optica·2015· 222 citedOpen Access
Optical communications using orbital angular momentum beams
Advances in Optics and Photonics·2015· 1.8k cited
Supplement 1: Performance metrics and design considerations for a free-space optical orbital-angular-momentum–multiplexed communication link
Figshare·2015Open Access
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Frequent Co-authors

Guodong Xie(27), Solyman Ashrafi(27), Yongxiong Ren(25), Zhe Zhao(25), Long Li(24), Moshe Tur(23), Alan E. Willner(21), Nisar Ahmed(19), Zhe Wang(15), Hao Huang(13), Martin P. J. Lavery(12), Andreas F. Molisch(12), Peicheng Liao(11), Yan Yan(11), Changjing Bao(10), Yan Yan(10), Asher J. Willner(9), Roger D. Linquist(8), Yinwen Cao(6), Cong Liu(6)