[HTML][HTML] All-optical modulation technology based on 2D layered materials

H Yang, Y Wang, ZC Tiu, SJ Tan, L Yuan, H Zhang - Micromachines, 2022 - mdpi.com
In the advancement of photonics technologies, all-optical systems are highly demanded in
ultrafast photonics, signal processing, optical sensing and optical communication systems …

[HTML][HTML] Modification of spintronic terahertz emitter performance through defect engineering

DM Nenno, L Scheuer, D Sokoluk, S Keller… - Scientific reports, 2019 - nature.com
Spintronic ferromagnetic/non-magnetic heterostructures are novel sources for the
generation of THz radiation based on spin-to-charge conversion in the layers. The key …

Sprayed organic photovoltaic cells and mini-modules based on chemical vapor deposited graphene as transparent conductive electrode

L La Notte, GV Bianco, AL Palma, A Di Carlo, G Bruno… - Carbon, 2018 - Elsevier
Abstract Chemical Vapor Deposited (CVD) graphene is one of the most interesting
candidate to replace indium tin oxide (ITO) as transparent conductive electrode in organic …

A low-loss subwavelength plasmonic waveguide for surface plasmon polariton transmission in optical circuits

MJ Maleki, M Soroosh - Optical and Quantum Electronics, 2023 - Springer
In this work, a novel plasmonic structure is presented for guiding surface plasmon polaritons,
which can be used as a fundamental waveguide in various plasmonic devices. The …

Low energy Ag ion irradiation-induced surface modification studies of Au-graphene oxide nanocomposite thin films

S Kalia, A Salim, R Bala, RK Singh, R Singhal… - Thin Solid Films, 2023 - Elsevier
The surface modifications of graphene oxide (GO) based thin films have attracted
considerable attention owing to the tuning of properties leading to several applications …

[HTML][HTML] Mapping of graphene oxide and single layer graphene flakes—defects annealing and healing

K Tsirka, A Katsiki, N Chalmpes, D Gournis… - Frontiers in …, 2018 - frontiersin.org
Graphene has outstanding properties that make it an auspicious material for many
applications. This work presents the production of graphene oxide (GO) via the Langmuir …

Simulation of hot-carrier dynamics and terahertz emission in laser-excited metallic bilayers

DM Nenno, R Binder, HC Schneider - Physical Review Applied, 2019 - APS
We present a multiscale model that simulates optically induced spin currents in metallic
bilayer structures that emit terahertz radiation after optical pulse excitation. We describe hot …

Microscopic origin of the bolometric effect in graphene

R Jago, E Malic, F Wendler - Physical Review B, 2019 - APS
While the thermoelectric and photoconduction effects are crucial in pristine and low-doped
graphene, the bolometric effect is known to dominate the photoresponse in biased …

Ultrafast momentum imaging of pseudospin-flip excitations in graphene

S Aeschlimann, R Krause, M Chávez-Cervantes… - Physical Review B, 2017 - APS
The pseudospin of Dirac electrons in graphene manifests itself in a peculiar momentum
anisotropy for photoexcited electron-hole pairs. These interband excitations are in fact …

Intraband divergences in third order optical response of 2D systems

JL Cheng, JE Sipe, SW Wu, C Guo - APL Photonics, 2019 - pubs.aip.org
The existence of large nonlinear optical coefficients is one of the preconditions for using
nonlinear optical materials in nonlinear optical devices. For a crystal, such large coefficients …