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Observation of Piezoelectricity in Monolayer Molybdenum Disulfide
Hanyu Zhu, Yuan Wang, Jun Xiao +6
Piezoelectricity offers precise and robust conversion between electricity and mechanical force. Here we report the first experimental evidence of piezoelectricity in a single layer…
Controlling quantum-dot light absorption and emission by a surface-plasmon field
Danhong Huang, Michelle Easter, Godfrey Gumbs +4
The possibility for controlling the probe-field optical gain and absorption switching and photon conversion by a surface-plasmon-polariton near field is explored for a quantum dot…
Parity-Time Synthetic Laser
Liang Feng, Zi Jing Wong, Renmin Ma +2
Parity-time (PT) symmetry is a fundamental notion in quantum field theories. It has opened a new paradigm for non-Hermitian Hamiltonians ranging from quantum mechanics, electronics…
Resonant Scattering of Surface Plasmon Polaritons by Dressed Quantum Dots
Danhong Huang, Michelle Easter, Godfrey Gumbs +4
The resonant scattering of surface plasmon-polariton waves by embedded semiconductor quantum dots above the dielectric/metal interface is explored in the strong-coupling regime. In…
Probing Excitonic Dark States in Single-layer Tungsten Disulfide
Ziliang Ye, Ting Cao, Kevin O'Brien +5
Transition metal dichalcogenide (TMDC) monolayer has recently emerged as an important two-dimensional semiconductor with promising potentials for electronic and optoelectronic devi…
Plasmonic Brownian ratchet
Paloma A. Huidobro, Sadao Ota, Xiaodong Yang +3
Here we present a Brownian ratchet based on plasmonic interactions. By periodically turning on and off a laser beam that illuminates a periodic array of plasmonic nanostructures wi…