AS Helmy
AS Helmy
Professor of Electrical and Computer Engineering, University of Toronto
Verified email at - Homepage
Cited by
Cited by
Estimation of angular velocity and acceleration from shaft-encoder measurements
PR Belanger, P Dobrovolny, A Helmy, X Zhang
The International Journal of Robotics Research 17 (11), 1225-1233, 1998
Selective quantum-well intermixing in GaAs-AlGaAs structures using impurity-free vacancy diffusion
BS Ooi, K McIlvaney, MW Street, AS Helmy, SG Ayling, AC Bryce, ...
IEEE journal of quantum electronics 33 (10), 1784-1793, 1997
Monolithic source of photon pairs
R Horn, P Abolghasem, BJ Bijlani, D Kang, AS Helmy, G Weihs
Physical review letters 108 (15), 153605, 2012
Multilayer black phosphorus as a versatile mid-infrared electro-optic material
C Lin, R Grassi, T Low, AS Helmy
Nano letters 16 (3), 1683-1689, 2016
Conductivity enhancement of poly (3, 4-ethylenedioxythiophene)-poly (styrenesulfonate) films post-spincasting
AA Farah, SA Rutledge, A Schaarschmidt, R Lai, JP Freedman, AS Helmy
Journal of Applied Physics 112 (11), 113709, 2012
Colloidal cholesteric liquid crystal in spherical confinement
Y Li, JJY Suen, E Prince, EM Larin, A Klinkova, H Thérien-Aubin, S Zhu, ...
Nature communications 7 (1), 1-11, 2016
Phase matching using Bragg reflection waveguides for monolithic nonlinear optics applications
AS Helmy
Optics express 14 (3), 1243-1252, 2006
Inherent polarization entanglement generated from a monolithic semiconductor chip
RT Horn, P Kolenderski, D Kang, P Abolghasem, C Scarcella, ...
Scientific reports 3 (1), 1-5, 2013
Quasi phase matching in GaAs–AlAs superlattice waveguides through bandgap tuning by use of quantum-well intermixing
AS Helmy, DC Hutchings, TC Kleckner, JH Marsh, AC Bryce, JM Arnold, ...
Optics Letters 25 (18), 1370-1372, 2000
Circular dichroism of chiral nematic films of cellulose nanocrystals loaded with plasmonic nanoparticles
A Querejeta-Fernández, B Kopera, KS Prado, A Klinkova, M Methot, ...
ACS nano 9 (10), 10377-10385, 2015
Properties of the quarter-wave Bragg reflection waveguide: theory
BR West, AS Helmy
JOSA B 23 (6), 1207-1220, 2006
Visible and Near‐Infrared Photothermal Catalyzed Hydrogenation of Gaseous CO2 over Nanostructured Pd@Nb2O5
J Jia, PG O'Brien, L He, Q Qiao, T Fei, LM Reyes, TE Burrow, Y Dong, ...
Advanced Science 3 (10), 1600189, 2016
Influence of nonadiabatic annealing on the morphology and molecular structure of PEDOT− PSS films
A Schaarschmidt, AA Farah, A Aby, AS Helmy
The Journal of Physical Chemistry B 113 (28), 9352-9355, 2009
Heterogeneous reduction of carbon dioxide by hydride-terminated silicon nanocrystals
W Sun, C Qian, L He, KK Ghuman, APY Wong, J Jia, AA Jelle, PG O’Brien, ...
Nature communications 7 (1), 1-9, 2016
Carrier mobility enhancement in poly (3, 4-ethylenedioxythiophene)-poly (styrenesulfonate) having undergone rapid thermal annealing
SA Rutledge, AS Helmy
Journal of Applied Physics 114 (13), 133708, 2013
Bragg reflection waveguide diode lasers
BJ Bijlani, AS Helmy
Optics letters 34 (23), 3734-3736, 2009
Selective control of self-organized quantum dot properties: Quantum dot intermixing
D Bhattacharyya, AS Helmy, AC Bryce, EA Avrutin, JH Marsh
Journal of Applied Physics 88 (8), 4619-4622, 2000
Recent advances in phase matching of second‐order nonlinearities in monolithic semiconductor waveguides
AS Helmy, P Abolghasem, J Stewart Aitchison, BJ Bijlani, J Han, ...
Laser & Photonics Reviews 5 (2), 272-286, 2011
Hybrid orthogonal junctions: wideband plasmonic slot-silicon waveguide couplers
B Lau, MA Swillam, AS Helmy
Optics express 18 (26), 27048-27059, 2010
Highly Efficient Second-Harmonic Generation in Monolithic Matching Layer Enhanced AlGaAs Bragg Reflection Waveguides
P Abolghasem, J Han, BJ Bijlani, A Arjmand, AS Helmy
IEEE Photonics Technology Letters 21 (19), 1462-1464, 2009
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