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Article
Open AccessExcitation and propagation of surface plasmon polaritons on a non-structured surface with a permittivity gradient
Accompanied by the rise of plasmonic materials beyond those based on noble metals and the development of advanced materials processing techniques, it is important to understand the plasmonic behavior of materi...
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Article
Open AccessReversible and selective ion intercalation through the top surface of few-layer MoS2
Electrochemical intercalation of ions into the van der Waals gap of two-dimensional (2D) layered materials is a promising low-temperature synthesis strategy to tune their physical and chemical properties. It i...
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Article
Open AccessTransparent multispectral photodetectors mimicking the human visual system
Compact and lightweight photodetection elements play a critical role in the newly emerging augmented reality, wearable and sensing technologies. In these technologies, devices are preferred to be transparent t...
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Article
Exciton resonance tuning of an atomically thin lens
The highly engineerable scattering properties of resonant optical antennas underpin the operation of metasurface-based flat optics. Thus far, the choice of antenna has been limited to shaped metallic and high-...
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Article
Open AccessNanoelectromechanical modulation of a strongly-coupled plasmonic dimer
The ability of two nearly-touching plasmonic nanoparticles to squeeze light into a nanometer gap has provided a myriad of fundamental insights into light–matter interaction. In this work, we construct a nanoel...
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Article
Metasurface optofluidics for dynamic control of light fields
The ability to manipulate light and liquids on integrated optofluidics chips has spurred a myriad of important developments in biology, medicine, chemistry and display technologies. Here we show how the conver...
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Article
Open AccessQuantitative phase contrast imaging with a nonlocal angle-selective metasurface
Phase contrast microscopy has played a central role in the development of modern biology, geology, and nanotechnology. It can visualize the structure of translucent objects that remains hidden in regular optic...
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Article
A Purcell-enabled monolayer semiconductor free-space optical modulator
Dephasing and non-radiative decay processes limit the performance of a wide variety of quantum devices at room temperature. Here we illustrate a general pathway to notably reduce the detrimental impact of thes...
