1.1k citations · 2.6k across the 11 of their papers we have counts for
11 papers
Electrical detection of hyperbolic phonon-polaritons in heterostructures of graphene and boron nitride
Achim Woessner, Romain Parret, Diana Davydovskaya +11
Light properties in the mid-infrared can be controlled at a deep subwavelength scale using hyperbolic phonons-polaritons (HPPs) of hexagonal boron nitride (h-BN). While propagating…
Electrical 2π phase control of infrared light in a 350nm footprint using graphene plasmons
Achim Woessner, Yuanda Gao, Iacopo Torre +8
Modulating the amplitude and phase of light is at the heart of many applications such as wavefront shaping, transformation optics, phased arrays, modulators and sensors. Performing…
Tuning quantum non-local effects in graphene plasmonics
Mark Lundeberg, Yuanda Gao, Reza Asgari +11
The response of an electron system to electromagnetic fields with sharp spatial variations is strongly dependent on quantum electronic properties, even in ambient conditions, but d…
Phonon-mediated mid-infrared photoresponse of graphene
Michela Badioli, Achim Woessner, Klaas-Jan Tielrooij +5
The photoresponse of graphene at mid-infrared frequencies is of high technological interest and is governed by fundamentally different underlying physics than the photoresponse at…
Thermoelectric detection of propagating plasmons in graphene
Mark B. Lundeberg, Yuanda Gao, Achim Woessner +7
Controlling, detecting and generating propagating plasmons by all-electrical means is at the heart of on-chip nano-optical processing. Graphene carries long-lived plasmons that are…
Ultra-confined acoustic THz graphene plasmons revealed by photocurrent nanoscopy
Pablo Alonso-Gonzalez, Alexey Y. Nikitin, Yuanda Gao +14
Terahertz (THz) fields are widely applied for sensing, communication and quality control. In future applications, they could be efficiently confined, enhanced and manipulated - wel…
Near-field photocurrent nanoscopy on bare and encapsulated graphene
Achim Woessner, Pablo Alonso-González, Mark B. Lundeberg +14
Opto-electronic devices utilizing graphene have already demonstrated unique capabilities, which are much more difficult to realize with conventional technologies. However, the requ…
Generation of photovoltage in graphene on a femtosecond time scale through efficient carrier heating
Klaas-Jan Tielrooij, Lukasz Piatkowski, Mathieu Massicotte +8
Graphene is a promising material for ultrafast and broadband photodetection. Earlier studies addressed the general operation of graphene-based photo-thermoelectric devices, and the…
Hot-carrier photocurrent effects at graphene-metal interfaces
K. J. Tielrooij, M. Massicotte, L. Piatkowski +5
Photoexcitation of graphene leads to an interesting sequence of phenomena, some of which can be exploited in optoelectronic devices based on graphene. In particular, the efficient…
Highly confined low-loss plasmons in graphene-boron nitride heterostructures
Achim Woessner, Mark B. Lundeberg, Yuanda Gao +10
Graphene plasmons were predicted to possess ultra-strong field confinement and very low damping at the same time, enabling new classes of devices for deep subwavelength metamateria…
Plasmon losses due to electron-phonon scattering: the case of graphene encapsulated in hexagonal Boron Nitride
Alessandro Principi, Matteo Carrega, Mark Lundeberg +4
Graphene sheets encapsulated between hexagonal Boron Nitride (hBN) slabs display superb electronic properties due to very limited scattering from extrinsic disorder sources such as…