Low-loss, infrared and terahertz nanophotonics using surface phonon polaritons

JD Caldwell, L Lindsay, V Giannini, I Vurgaftman… - …, 2015 - degruyter.com
The excitation of surface-phonon-polariton (SPhP) modes in polar dielectric crystals and the
associated new developments in the field of SPhPs are reviewed. The emphasis of this work …

Phonon-polaritonics: enabling powerful capabilities for infrared photonics

S Foteinopoulou, GCR Devarapu, GS Subramania… - …, 2019 - degruyter.com
Here, we review the progress and most recent advances in phonon-polaritonics, an
emerging and growing field that has brought about a range of powerful possibilities for mid …

Highly confined low-loss plasmons in graphene–boron nitride heterostructures

A Woessner, MB Lundeberg, Y Gao, A Principi… - Nature materials, 2015 - nature.com
Graphene plasmons were predicted to possess simultaneous ultrastrong field confinement
and very low dam**, enabling new classes of devices for deep-subwavelength …

Tunable phonon polaritons in atomically thin van der Waals crystals of boron nitride

S Dai, Z Fei, Q Ma, AS Rodin, M Wagner, AS McLeod… - Science, 2014 - science.org
van der Waals heterostructures assembled from atomically thin crystalline layers of diverse
two-dimensional solids are emerging as a new paradigm in the physics of materials. We …

Sub-diffractional volume-confined polaritons in the natural hyperbolic material hexagonal boron nitride

JD Caldwell, AV Kretinin, Y Chen, V Giannini… - Nature …, 2014 - nature.com
Strongly anisotropic media, where the principal components of the dielectric tensor have
opposite signs, are called hyperbolic. Such materials exhibit unique nanophotonic …

High-temperature superfluidity with indirect excitons in van der Waals heterostructures

MM Fogler, LV Butov, KS Novoselov - Nature communications, 2014 - nature.com
All known superfluid and superconducting states of condensed matter are enabled by
composite bosons (atoms, molecules and Cooper pairs) made of an even number of …

Lattice vibrational modes and phonon thermal conductivity of monolayer MoS

Y Cai, J Lan, G Zhang, YW Zhang - Physical Review B, 2014 - APS
The anharmonic behavior of phonons and intrinsic thermal conductivity associated with the
umklapp scattering in monolayer MoS 2 sheet are investigated via first-principles …

Observation of interband collective excitations in twisted bilayer graphene

NCH Hesp, I Torre, D Rodan-Legrain, P Novelli, Y Cao… - Nature Physics, 2021 - nature.com
The single-particle and many-body properties of twisted bilayer graphene (TBG) can be
dramatically different from those of a single graphene layer, particularly when the two layers …

Tunable light–matter interaction and the role of hyperbolicity in graphene–hBN system

A Kumar, T Low, KH Fung, P Avouris, NX Fang - Nano letters, 2015 - ACS Publications
Hexagonal boron nitride (hBN) is a natural hyperbolic material, which can also
accommodate highly dispersive surface phonon-polariton modes. In this paper, we examine …

Acoustic terahertz graphene plasmons revealed by photocurrent nanoscopy

P Alonso-González, AY Nikitin, Y Gao… - Nature …, 2017 - nature.com
Terahertz (THz) fields are widely used for sensing, communication and quality control. In
future applications, they could be efficiently confined, enhanced and manipulated well below …