The pursuit of efficient light sources has stimulated continued effort in the search of materials
and methods for generating white light emission. In addition to the white light produced by …

With its linear energy dispersion and large transition dipole matrix element, graphene is an
attractive material for nonlinear optoelectronic applications. However, the mechanistic origin …

Van der Waals (vdW) stacking of two-dimensional (2D) materials to create artificial structures
has enabled remarkable discoveries and novel properties in fundamental physics. Here, we …

Despite the potential of graphene for building a variety of quantum photonic devices, its
centrosymmetric nature forbids the observation of second harmonic generation (SHG) for …

Controlling the dynamic processes, such as generation, separation, transport, and
recombination, of photoexcited carriers in a semiconductor is foundational in the design of …

For centrosymmetric materials such as monolayer graphene, no optical second-harmonic
generation (SHG) is generally expected, because it is forbidden under the electric-dipole …

Fabrication of high quantum efficiency nanoscale device is challenging due to increased
carrier loss at surface. Low dimensional materials such 0D quantum dots and 2D materials …

The irradiation of an optically absorptive medium by a continuous‐wave (CW) near‐infrared
(NIR) laser can result in a spectral continuum emission covering both the visible and NIR …

Twisted bilayer graphene (tBLG) has received substantial attention in various research fields
due to its unconventional physical properties originating from Moiré superlattices. The …

Several technologies, including photodetection, imaging, and data communication, could
greatly benefit from the availability of fast and controllable conversion of terahertz (THz) light …