331 citations · 1.7k across the 44 of their papers we have counts for
46 papers
High-harmonic generation in systems with chiral Bloch states: application to rhombohedral graphene
Jessica O. de Almeida, Wilton J. M. Kort-Kamp, Mathias S. Scheurer
Nonlinear light-matter interaction and, in particular, high-harmonic generation (HHG) are fundamentally interesting and frequently discussed as versatile probes of quantum material…
Polar enhancement of optical nonlinearities and domain-driven second harmonic contrast in bismuth telluro-halide van der Waals crystals
Kevin W. C. Kwock, Tenzin Norden, Thomas P. Darlington +11
The BiTeX family of polar van der Waals (vdW) semiconductors offers a unique platform for exploring the interplay between polar crystalline structure and nonlinear optical phenomen…
Near-field-driven Radiative Thermal Dynamics in Aperiodic Nanostructures
M. Prado, A. Manjavacas, F. A. Pinheiro +1
Harnessing structural correlations in near-field plasmonic and polaritonic systems hold untapped potential for controlling light-matter interactions at the nanoscale. By tuning the…
Meta-GPT: Decoding the Metasurface Genome with Generative Artificial Intelligence
David Dang, Stuart Love, Meena Salib +8
Advancing artificial intelligence for physical sciences requires representations that are both interpretable and compatible with the underlying laws of nature. We introduce METASTR…
Breakdown of the Kirchhoff's law of thermal radiation by a spatiotemporally modulated nonreciprocal metasurface
Anatoly Efimov, Chun-Chieh Chang, Simo Pajovic +5
Kirchhoff's law of thermal radiation, which dictates that the emissivity of a surface equals its absorptivity under thermal equilibrium, which dictates that the emissivity of a sur…
Twisted nonlinear optics in monolayer van der Waals crystals
Tenzin Norden, Luis M. Martinez, Nehan Tarefder +13
In addition to a plethora of emergent phenomena, the spatial topology of optical vortices enables an array of applications spanning communications to quantum photonics. Nonlinear o…
Controlling the orbital Hall effect in gapped bilayer graphene in the terahertz regime
Tarik P. Cysne, W. J. M. Kort-Kamp, Tatiana G. Rappoport
We study the orbital Hall effect (OHE) in the AC regime using bilayer graphene (BLG) as a prototypical material platform. While the unbiased BLG has gapless electronic spectra, app…
Controlling electric and magnetic Purcell effects in phosphorene via strain engineering
P. P. Abrantes, W. J. M. Kort-Kamp, F. S. S. Rosa +3
We investigate the spontaneous emission lifetime of a quantum emitter near a substrate coated with phosphorene under the influence of uniaxial strain. We consider both electric dip…
Quantum dynamics of non-Hermitian many-body Landau-Zener systems
Rajesh K. Malla, Julia Cen, Wilton J. M. Kort-Kamp +1
We develop a framework to solve a large class of linearly driven non-Hermitian quantum systems. Such a class of models in the Hermitian scenario is commonly known as multi-state La…
Ultrafast Nonequilibrium Dynamics in Two-dimensional Quantum Spin-Hall Materials
Rajesh K. Malla, Dasol Kim, Dong Eon Kim +2
We develop the theoretical framework of nonequilibrium ultrafast photonics in monolayer quantum spin-Hall insulators supporting a multitude of topological states. In these material…
Entangled two-plasmon generation in carbon nanotubes and graphene coated wires
Y. Muniz, P. P. Abrantes, L. Martín Moreno +3
We investigate the two-plasmon spontaneous decay of a quantum emitter near single-walled carbon nanotubes (SWCNT) and graphene-coated wires (GCWs). We demonstrate efficient, enhanc…
Emerging nonlinear Hall effect in Kane-Mele two-dimensional topological insulators
Rajesh K. Malla, Avadh Saxena, Wilton J. M. Kort-Kamp
The recent observations of nonlinear Hall effect in time-reversal symmetry protected systems and on the surface of three-dimensional topological insulators due to an in-plane magne…
Shaping Dynamical Casimir Photons
Diego A. R. Dalvit, Wilton J. M. Kort-Kamp
Temporal modulation of the quantum vacuum through fast motion of a neutral body or fast changes of its optical properties is known to promote virtual into real photons, the so-call…
Optical forces on an oscillating dipole near VO phase transition
Daniela Szilard, Patrícia P. Abrantes, Felipe A. Pinheiro +3
We investigate optical forces on oscillating dipoles close to a phase-change vanadium dioxide (VO) film, which exhibits a metal-insulator transition around K and low ther…
Casimir forces in the flatland: interplay between photo-induced phase transitions and quantum Hall physics
Y. Muniz, C. Farina, W. J. M. Kort-Kamp
We investigate how photo-induced topological phase transitions and the magnetic-field-induced quantum Hall effect simultaneously influence the Casimir force between two parallel sh…
Nonlinear dynamics of topological Dirac fermions in 2D spin-orbit coupled materials
Rajesh K. Malla, Wilton J. M. Kort-Kamp
The graphene family materials are two-dimensional staggered monolayers with a gapped energy band structure due to intrinsic spin-orbit coupling. The mass gaps in these materials ca…
Near-Field Radiative Heat Transfer Eigenmodes
Stephen Sanders, Lauren Zundel, Wilton J. M. Kort-Kamp +2
The near-field electromagnetic interaction between nanoscale objects produces enhanced radiative heat transfer that can greatly surpass the limits established by far-field black-bo…
Space-Time Quantum Metasurfaces
Wilton J. M. Kort-Kamp, Abul K. Azad, Diego A. R. Dalvit
Metasurfaces are a key photonic platform to manipulate classical light using sub-wavelength structures with designer optical response. Static metasurfaces have recently entered the…
Extreme Nonreciprocity with Spatio-Temporally Modulated Metasurfaces
Andrew E. Cardin, Sinhara R. Silva, Shai. R. Vardeny +7
Emerging photonic functionalities are mostly governed by the fundamental principle of Lorentz reciprocity. Lifting the constraints imposed by this principle could circumvent delete…
Quantum two-photon emission in a photonic cavity
Y. Muniz, D. Szilard, W. J. M. Kort-Kamp +2
We derive a new expression for the two-photon spontaneous emission (TPSE) rate of an excited quantum emitter in the presence of arbitrary bodies in its vicinities. After investigat…
Passive radiative "thermostat" enabled by phase-change photonic nanostructures
Wilton J. M. Kort-Kamp, Shobhita Kramadhati, Abul K. Azad +2
A thermostat senses the temperature of a physical system and switches heating or cooling devices on or off, regulating the flow of heat to maintain the system's temperature near a…
High-Temperature Refractory Metasurfaces for Solar Thermophotovoltaic Energy Harvesting
Chun-Chieh Chang, Wilton J. M. Kort-Kamp, John Nogan +6
Solar energy promises a viable solution to meet the ever-increasing power demand by providing a clean, renewable energy alternative to fossil fuels. For solar thermophotovoltaics (…
Photonic spin Hall effect in bilayer graphene Moiré superlattices
W. J. M. Kort-Kamp, F. J. Culchac, Rodrigo B. Capaz +1
The formation of a superstructure - with a related Moiré pattern - plays a crucial role in the extraordinary optical and electronic properties of twisted bilayer graphene, includin…
Nanoscale transfer of angular momentum mediated by the Casimir torque
Stephen Sanders, Wilton J. M. Kort-Kamp, Diego A. R. Dalvit +1
Casimir interactions play an important role in the dynamics of nanoscale objects. Here, we investigate the noncontact transfer of angular momentum at the nanoscale through the anal…