Seed‐mediated growth of colloidal metal nanocrystals

Y Xia, KD Gilroy, HC Peng, X Xia - … Chemie International Edition, 2017 - Wiley Online Library
Seed‐mediated growth is a powerful and versatile approach for the synthesis of colloidal
metal nanocrystals. The vast allure of this approach mainly stems from the staggering …

Active and tunable nanophotonic metamaterials

K Fan, RD Averitt, WJ Padilla - Nanophotonics, 2022 - degruyter.com
Metamaterials enable subwavelength tailoring of light–matter interactions, driving
fundamental discoveries which fuel novel applications in areas ranging from compressed …

Intensive linear and nonlinear optical studies of thermally evaporated amorphous thin Cu-Ge-Se-Te films

AS Hassanien - Journal of Non-Crystalline Solids, 2022 - Elsevier
This article is devoted to completing the study of linear and nonlinear optical characteristics
of thermally evaporated a-Cu x Ge 20-x Se 40 Te 40, CGST,(0≤ x≤ 20 at.%) thin films. The …

Shape-controlled synthesis of colloidal metal nanocrystals: thermodynamic versus kinetic products

Y Xia, X Xia, HC Peng - Journal of the American Chemical Society, 2015 - ACS Publications
This Perspective provides a contemporary understanding of the shape evolution of colloidal
metal nanocrystals under thermodynamically and kinetically controlled conditions. It has …

Efficient frequency comb generation in AlGaAs-on-insulator

M Pu, L Ottaviano, E Semenova, K Yvind - Optica, 2016 - opg.optica.org
The combination of nonlinear and integrated photonics enables Kerr frequency comb
generation in stable chip-based micro-resonators. Such a comb system will revolutionize …

Studies on dielectric properties, opto-electrical parameters and electronic polarizability of thermally evaporated amorphous Cd50S50− xSex thin films

AS Hassanien - Journal of Alloys and Compounds, 2016 - Elsevier
The objective of this work is to study the influence of the addition of more Se on dielectric
properties, opto-electrical parameters and electronic polarizability of amorphous …

Anti-aliased metasurfaces beyond the Nyquist limit

S Kim, J Kim, K Kim, M Jeong, J Rho - Nature Communications, 2025 - nature.com
Sampling is a pivotal element in the design of metasurfaces, enabling a broad spectrum of
applications. Despite its flexibility, sampling can result in reduced efficiency and unintended …

Optical characterizations and refractive index dispersion parameters of annealed TiO2 thin films synthesized by RF-sputtering technique at different flow rates of the …

AS Hassanien, AA Akl - Physica B: Condensed Matter, 2020 - Elsevier
Abstract Optical Characterizations of annealed TiO 2 thin films have been discussed.
Samples have prepared by sputtering technique at different reactive oxygen gas rates, R …

Study of optical properties of thermally evaporated ZnSe thin films annealed at different pulsed laser powers

AS Hassanien, KA Aly, AA Akl - Journal of Alloys and Compounds, 2016 - Elsevier
This research work is devoted to the study of optical properties of thermally evaporated and
laser annealed ZnSe thin films. Thin films of zinc selenide were annealed by a CO 2 pulsed …

Ultrafast pulse-amplitude modulation with a femtojoule silicon photonic modulator

R Dubé-Demers, S LaRochelle, W Shi - Optica, 2016 - opg.optica.org
Ultrahigh-speed optical interconnects are essential to future cloud computing. Further
increase in optical transmission speed has been hindered by power consumption and …