Abstract 2D layered materials (2DLMs) are a subject of intense research for a wide variety of
applications (eg, electronics, photonics, and optoelectronics) due to their unique physical …

Hot charge carriers in graphene exhibit fascinating physical phenomena, whose
understanding has improved greatly over the past decade. They have distinctly different …

Multiple optical harmonic generation—the multiplication of photon energy as a result of
nonlinear interaction between light and matter—is a key technology in modern electronics …

Graphene with massless Dirac fermions can have exceptionally strong third-order optical
nonlinearities. Yet reported values of nonlinear optical susceptibilities for third-harmonic …

Optical harmonic generation occurs when high intensity light (> 1010 W m–2) interacts with
a nonlinear material. Electrical control of the nonlinear optical response enables …

Recently, two rich and exciting research fields, layered two-dimensional (2D) materials and
metamaterials, have started overlapping. Metamaterials are artificial, engineered materials …

We report strong terahertz (∼ 10 12 Hz) high harmonic generation at room temperature in
thin films of Cd 3 As 2, a three-dimensional Dirac semimetal. Third harmonics are detectable …

The linear energy dispersion of graphene electrons leads to a strongly nonlinear
electromagnetic response of this material. We develop a general quantum theory of the third …

Nonlinear nanophotonics leverages engineered nanostructures to funnel light into small
volumes and intensify nonlinear optical processes with spectral and spatial control. Owing to …

High-harmonic generation in condensed-matter systems is both a source of fundamental
insight into quantum electron motion and a promising candidate to realize compact …