AS Helmy
AS Helmy
Professor of Electrical and Computer Engineering, University of Toronto
Verified email at - Homepage
TitleCited byYear
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
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
System and method for dispersion-enabled quantum state control of photons
US Patent 10,185,090, 2019
Monolithic source of photon pairs
R Horn, P Abolghasem, BJ Bijlani, D Kang, AS Helmy, G Weihs
Physical review letters 108 (15), 153605, 2012
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
Phase matching using Bragg reflection waveguides for monolithic nonlinear optics applications
AS Helmy
Optics express 14 (3), 1243-1252, 2006
Quasinormal modes and strong cosmic censorship
V Cardoso, JL Costa, K Destounis, P Hintz, A Jansen
Physical review letters 120 (3), 031103, 2018
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
Properties of the quarter-wave Bragg reflection waveguide: theory
BR West, AS Helmy
JOSA B 23 (6), 1207-1220, 2006
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
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, 12520, 2016
Inherent polarization entanglement generated from a monolithic semiconductor chip
RT Horn, P Kolenderski, D Kang, P Abolghasem, C Scarcella, ...
Scientific reports 3, 2314, 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
Hybrid orthogonal junctions: wideband plasmonic slot-silicon waveguide couplers
B Lau, MA Swillam, AS Helmy
Optics express 18 (26), 27048-27059, 2010
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
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
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
Suppression of quantum well intermixing in GaAs/AlGaAs laser structures using phosphorus-doped SiO encapsulant layer
P Cusumano, BS Ooi, AS Helmy, SG Ayling, AC Bryce, JH Marsh, ...
Journal of applied physics 81 (5), 2445-2447, 1997
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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