Nisar Ahmed
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Terabit free-space data transmission employing orbital angular momentum multiplexing
J Wang, JY Yang, IM Fazal, N Ahmed, Y Yan, H Huang, Y Ren, Y Yue, ...
Nature photonics 6 (7), 488, 2012
23882012
Optical communications using orbital angular momentum beams
AE Willner, H Huang, Y Yan, Y Ren, N Ahmed, G Xie, C Bao, L Li, Y Cao, ...
Advances in Optics and Photonics 7 (1), 66-106, 2015
7452015
High-capacity millimetre-wave communications with orbital angular momentum multiplexing
Y Yan, G Xie, MPJ Lavery, H Huang, N Ahmed, C Bao, Y Ren, Y Cao, L Li, ...
Nature communications 5, 4876, 2014
6282014
100 Tbit/s free-space data link enabled by three-dimensional multiplexing of orbital angular momentum, polarization, and wavelength
H Huang, G Xie, Y Yan, N Ahmed, Y Ren, Y Yue, D Rogawski, MJ Willner, ...
Optics Letters 39 (2), 197-200, 2014
3352014
Mode division multiplexing using an orbital angular momentum mode sorter and MIMO-DSP over a graded-index few-mode optical fibre
H Huang, G Milione, MPJ Lavery, G Xie, Y Ren, Y Cao, N Ahmed, ...
Scientific reports 5, 14931, 2015
2012015
Atmospheric turbulence effects on the performance of a free space optical link employing orbital angular momentum multiplexing
Y Ren, H Huang, G Xie, N Ahmed, Y Yan, BI Erkmen, N Chandrasekaran, ...
Optics Letters 38 (20), 4062-4065, 2013
1472013
Adaptive-optics-based simultaneous pre-and post-turbulence compensation of multiple orbital-angular-momentum beams in a bidirectional free-space optical link
Y Ren, G Xie, H Huang, N Ahmed, Y Yan, L Li, C Bao, MPJ Lavery, M Tur, ...
Optica 1 (6), 376-382, 2014
1122014
Mode Properties and Propagation Effects of Optical Orbital Angular Momentum (OAM) Modes in a Ring Fiber
Y Yue, Y Yan, N Ahmed, JY Yang, L Zhang, Y Ren, H Huang, ...
Photonics Journal, IEEE 4 (2), 535-543, 2012
1112012
Adaptive optics compensation of multiple orbital angular momentum beams propagating through emulated atmospheric turbulence
Y Ren, G Xie, H Huang, C Bao, Y Yan, N Ahmed, MPJ Lavery, BI Erkmen, ...
Optics letters 39 (10), 2845-2848, 2014
952014
Free-space optical communications using orbital-angular-momentum multiplexing combined with MIMO-based spatial multiplexing
Y Ren, Z Wang, G Xie, L Li, Y Cao, C Liu, P Liao, Y Yan, N Ahmed, Z Zhao, ...
Optics Letters 40 (18), 4210-4213, 2015
942015
Experimental characterization of a 400 Gbit/s orbital angular momentum multiplexed free-space optical link over 120 m
Y Ren, Z Wang, P Liao, L Li, G Xie, H Huang, Z Zhao, Y Yan, N Ahmed, ...
Optics letters 41 (3), 622-625, 2016
882016
Performance metrics and design considerations for a free-space optical orbital-angular-momentum–multiplexed communication link
G Xie, L Li, Y Ren, H Huang, Y Yan, N Ahmed, Z Zhao, MPJ Lavery, ...
Optica 2 (4), 357-365, 2015
832015
Crosstalk mitigation in a free-space orbital angular momentum multiplexed communication link using 4× 4 MIMO equalization
H Huang, Y Cao, G Xie, Y Ren, Y Yan, C Bao, N Ahmed, MA Neifeld, ...
Optics Letters 39 (15), 4360-4363, 2014
822014
Orbital angular momentum-based space division multiplexing for high-capacity underwater optical communications
Y Ren, L Li, Z Wang, SM Kamali, E Arbabi, A Arbabi, Z Zhao, G Xie, Y Cao, ...
Scientific reports 6, 33306, 2016
812016
Fiber structure to convert a Gaussian beam to higher-order optical orbital angular momentum modes
Y Yan, L Zhang, J Wang, JY Yang, IM Fazal, N Ahmed, AE Willner, ...
Optics Letters 37 (16), 3294-3296, 2012
762012
Fiber coupler for generating orbital angular momentum modes
Y Yan, J Wang, L Zhang, JY Yang, IM Fazal, N Ahmed, B Shamee, ...
Optics Letters 36 (21), 4269-4271, 2011
722011
Experimental demonstration of 16-Gbit/s millimeter-wave communications link using thin metamaterial plates to generate data-carrying orbital-angular-momentum beams
Z Zhao, Y Ren, G Xie, Y Yan, L Li, H Huang, C Bao, N Ahmed, MP Lavery, ...
Communications (ICC), 2015 IEEE International Conference on, 1392-1397, 2015
662015
Octave-spanning supercontinuum generation of vortices in a As< inf> 2</inf> S< inf> 3</inf> ring photonic crystal fiber
Y Yue, L Zhang, Y Yan, N Ahmed, JY Yang, H Huang, Y Ren, S Dolinar, ...
Lasers and Electro-Optics (CLEO), 2012 Conference on, 1-2, 2012
61*2012
Phase correction for a distorted orbital angular momentum beam using a Zernike polynomials-based stochastic-parallel-gradient-descent algorithm
G Xie, Y Ren, H Huang, MPJ Lavery, N Ahmed, Y Yan, C Bao, L Li, ...
Optics Letters 40 (7), 1197-1200, 2015
602015
Efficient generation and multiplexing of optical orbital angular momentum modes in a ring fiber by using multiple coherent inputs
Y Yan, Y Yue, H Huang, JY Yang, MR Chitgarha, N Ahmed, M Tur, ...
Optics Letters 37 (17), 3645-3647, 2012
582012
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