Quantum tunneling, in which electrons can tunnel through a finite potential barrier while
simultaneously interacting with other matter excitation, is one of the most fascinating …

Analogous to radio-and microwave antennas, optical nanoantennas are devices that receive
and emit radiation at optical frequencies. Until recently, the realization of electrically driven …

Light emission from biased tunnel junctions has recently gained much attention owing to its
unique potential to create ultracompact optical sources with terahertz modulation …

Quantum tunneling-driven optical nanoantennas are key components for the development of
integrated plasmonic nanodevices. In this work, we use the tunneling junction between a …

The understanding of and control over light emission from quantum tunneling has
challenged researchers for more than four decades due to the intricate interplay of electrical …

In recent years, tunnel junctions have reemerged as promising candidates for the
transduction of electrical to optical signals at the nanoscale. The process of interest is known …

On-chip plasmonic circuitry offers a promising route to meet the ever-increasing requirement
for device density and data bandwidth in information processing. As the key building block …

Memristive devices are an emerging new type of devices operating at the scale of a few or
even single atoms. They are currently used as storage elements and are investigated for …

Plasmonic photocatalysis via hot charge carriers suffers from their short lifetime compared
with the sluggish kinetics of most reactions. To increase lifetime, adsorbates on the surface …

Random lasers are generated by multiple light scattering in disordered optically gain
medium, which are fundamentally different from conventional lasers. Control of emission …