[HTML][HTML] Hot carriers in graphene–fundamentals and applications
Hot charge carriers in graphene exhibit fascinating physical phenomena, whose
understanding has improved greatly over the past decade. They have distinctly different …
understanding has improved greatly over the past decade. They have distinctly different …
Toroidal metaphotonics and metadevices
Toroidal moments in artificial media have received growing attention and considered as a
promising framework for initiating novel approaches to manage intrinsic radiative losses in …
promising framework for initiating novel approaches to manage intrinsic radiative losses in …
Intelligent infrared sensing enabled by tunable moiré quantum geometry
Quantum geometric properties of Bloch wave functions in solids, that is, Berry curvature and
the quantum metric, are known to significantly influence the ground-and excited-state …
the quantum metric, are known to significantly influence the ground-and excited-state …
Ultrafast optical switching of infrared plasmon polaritons in high-mobility graphene
The success of metal-based plasmonics for manipulating light at the nanoscale has been
empowered by imaginative designs and advanced nano-fabrication. However, the …
empowered by imaginative designs and advanced nano-fabrication. However, the …
Trion-Induced Negative Photoconductivity in Monolayer
Optical excitation typically enhances electrical conduction and low-frequency radiation
absorption in semiconductors. We, however, observe a pronounced transient decrease of …
absorption in semiconductors. We, however, observe a pronounced transient decrease of …
Long-lived charge separation following pump-wavelength–dependent ultrafast charge transfer in graphene/WS2 heterostructures
Van der Waals heterostructures consisting of graphene and transition metal
dichalcogenides have shown great promise for optoelectronic applications. However, an in …
dichalcogenides have shown great promise for optoelectronic applications. However, an in …
Electrical tunability of terahertz nonlinearity in graphene
Graphene is conceivably the most nonlinear optoelectronic material we know. Its nonlinear
optical coefficients in the terahertz frequency range surpass those of other materials by …
optical coefficients in the terahertz frequency range surpass those of other materials by …
Gated graphene island-enabled tunable charge transfer plasmon terahertz metamodulator
Graphene-enhanced optoelectronic terahertz (THz) signal processing offers an exquisite
potential for tailoring extreme-subwavelength platforms to develop tunable and highly …
potential for tailoring extreme-subwavelength platforms to develop tunable and highly …
Quantum-critical conductivity of the Dirac fluid in graphene
P Gallagher, CS Yang, T Lyu, F Tian, R Kou, H Zhang… - Science, 2019 - science.org
Graphene near charge neutrality is expected to behave like a quantum-critical, relativistic
plasma—the “Dirac fluid”—in which massless electrons and holes collide at a rapid rate. We …
plasma—the “Dirac fluid”—in which massless electrons and holes collide at a rapid rate. We …
Hot-carrier cooling in high-quality graphene is intrinsically limited by optical phonons
Many promising optoelectronic devices, such as broadband photodetectors, nonlinear
frequency converters, and building blocks for data communication systems, exploit …
frequency converters, and building blocks for data communication systems, exploit …