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Nonlocal response in plasmonic waveguiding with extreme light confinement
G. Toscano, S. Raza, W. Yan +6
We present a novel wave equation for linearized plasmonic response, obtained by combining the coupled real-space differential equations for the electric field and current density.…
Electronic Properties of Disordered Graphene Antidot Lattices
Shengjun Yuan, Rafael Roldán, Antti-Pekka Jauho +1
Regular nanoscale perforations in graphene (graphene antidot lattices, GAL) are known to lead to a gap in the energy spectrum, thereby paving a possible way towards many applicatio…
Blueshift of the surface plasmon resonance in silver nanoparticles studied with EELS
Søren Raza, Nicolas Stenger, Shima Kadkhodazadeh +6
We study the surface plasmon (SP) resonance energy of isolated spherical Ag nanoparticles dispersed on a silicon nitride substrate in the diameter range 3.5-26 nm with monochromate…
Thermoelectric properties of disordered graphene antidot devices
Tue Gunst, Jing-Tao Lü, Troels Markussen +2
We calculate the electronic and thermal transport properties of devices based on finite graphene antidot lattices (GALs) connected to perfect graphene leads. We use an atomistic ap…
Nanoplasmonics beyond Ohm's law
N. A. Mortensen, G. Toscano, S. Raza +5
In tiny metallic nanostructures, quantum confinement and nonlocal response change the collective plasmonic behavior with important consequences for e.g. field-enhancement and extin…
Graphene plasmon polaritons: Substrate effects and nonlocal response
Thomas Christensen, Antti-Pekka Jauho, N. Asger Mortensen
This paper is withdrawn by the authors. We theoretically examine graphene plasmon polaritons (GPP) supported by a sheet of graphene sandwiched between two dielectric media. The inf…
Acoustic phonon limited mobility in two-dimensional semiconductors: Deformation potential and piezoelectric scattering in monolayer MoS2 from first principles
Kristen Kaasbjerg, Kristian S. Thygesen, Antti-Pekka Jauho
We theoretically study the acoustic phonon limited mobility in n-doped two-dimensional MoS2 for temperatures T < 100 K and high carrier densities using the Boltzmann equation and f…
Microscopic theory of phonon-induced effects on semiconductor quantum dot decay dynamics in cavity QED
P. Kaer, T. R. Nielsen, P. Lodahl +2
We investigate the influence of the electron-phonon interaction on the decay dynamics of a quantum dot coupled to an optical microcavity. We show that the electron-phonon interacti…
Refractive-index sensing with ultra-thin plasmonic nanotubes
S. Raza, G. Toscano, A. -P. Jauho +2
We study the refractive-index sensing properties of plasmonic nanotubes with a dielectric core and ultra-thin metal shell. The few-nm thin metal shell is described by both the usua…
Microscopic theory of indistinguishable single-photon emission from a quantum dot coupled to a cavity: The role of non-Markovian phonon-induced decoherence
P. Kaer, P. Lodahl, A. -P. Jauho +1
We study the fundamental limit on single-photon indistinguishability imposed by decoherence due to phonon interactions in semiconductor quantum dot-cavity QED systems. Employing an…
Fundamental limitations to gain enhancement in periodic media and waveguides
Jure Grgić, Johan Raunkjær Ott, Fengwen Wang +4
A common strategy to compensate for losses in optical nanostructures is to add gain material in the system. By exploiting slow-light effects it is expected that the gain may be enh…
Dynamical polarizability of graphene irradiated by circularly polarized ac electric fields
Maria Busl, Gloria Platero, Antti-Pekka Jauho
We examine the low-energy physics of graphene in the presence of a circularly polarized electric field in the terahertz regime. Specifically, we derive a general expression for the…