Publications by Aqeel Ahmed | EPFL Graph Search

Related publications (6)

Investigation of photoinduced effects in plasmonic nanocavities

Light matter interaction can be boosted by several orders of magnitude by tailoring the photonic environment, thus enabling a wide range of applications. One particular example are plasmonic nanostructures that support localized surface plasmon polariton ( ...

EPFL2021

Intrinsic luminescence blinking from plasmonic nanojunctions

Tobias Kippenberg, Christophe Marcel Georges Galland, Magalí Alejandra Lingenfelder, Giulia Tagliabue, Wen Chen, Sachin Suresh Verlekar, Karla Banjac, Philippe Andreas Rölli, Aqeel Ahmed

Plasmonic nanojunctions, consisting of adjacent metal structures with nanometre gaps, can support localised plasmon resonances that boost light matter interactions and concentrate electromagnetic fields at the nanoscale. In this regime, the optical respons ...

Nature Research2021

Nanoparticle on mirror plasmonic nanostructure for molecular cavity optomechanics

Christophe Marcel Georges Galland, Santiago Tarrago Velez, Aqeel Ahmed

The plasmonic response of gold can be utilized to enhance the incident electromagnetic (EM) field by several orders of magnitude. When a gold nanoparticle is placed in close proximity to a gold film, the incident field can excite a deeply confined plasmon, ...

IEEE2018

Structural Order of the Molecular Adlayer Impacts the Stability of Nanoparticle-on-Mirror Plasmonic Cavities

Christophe Marcel Georges Galland, Magalí Alejandra Lingenfelder, Sachin Suresh Verlekar, Karla Banjac, Aqeel Ahmed, Fernando Pablo Cometto

Immense field enhancement and nanoscale confinement of light are possible within nanoparticle-on-mirror (NPoM) plasmonic resonators, which enable novel optically activated physical and chemical phenomena and render these nanocavities greatly sensitive to m ...

AMER CHEMICAL SOC2021

Engineering Optically Active Defects in Hexagonal Boron Nitride Using Focused Ion Beam and Water

Aleksandra Radenovic, Andras Kis, Georg Fantner, Ahmet Avsar, Michal Daniel Macha, Evgenii Glushkov, Vytautas Navikas, Nathan Cyprien Arsène Ronceray, Aqeel Ahmed, Cheol Yeon Cheon, Esther Braun

Hexagonal boron nitride (hBN) has emerged as a promising material platform for nanophotonics and quantum sensing, hosting optically active defects with exceptional properties such as high brightness and large spectral tuning. However, precise control over ...

AMER CHEMICAL SOC2022

Dual-Tone Raman Study of Optical Picocavities

Wen Chen, Sachin Suresh Verlekar, Aqeel Ahmed

IEEE2021