The discovery of ultraconfined polaritons with extreme anisotropy in a number of van der
Waals (vdW) materials has unlocked new prospects for nanophotonic and optoelectronic …

For decades, infrared (IR) spectroscopy has advanced on two distinct frontiers: enhancing
spatial resolution and broadening spectroscopic information. Although atomic force …

The emergence of van der Waals (vdW) materials resulted in the discovery of their high
optical, mechanical, and electronic anisotropic properties, immediately enabling countless …

Terahertz (THz) technology holds great potential across diverse applications, including
biosensing and information communications, but conventional far-field techniques are …

Innovation in microscopy has often been critical in advancing both fundamental science and
technological progress. Notably, the evolution of ultrafast near-field optical nano …

Hyperbolic polaritons that originate from the extreme optical anisotropy in van der Waals
(vdW) crystals have gained much attention for their potential in controlling nanolight. For …

Elastic waves in anisotropic media can exhibit a power flux that is not collinear with the wave
vector. This has notable consequences for waves guided in a plate. Through laser-ultrasonic …

Ultraclean graphene at charge neutrality hosts a quantum critical Dirac fluid of interacting
electrons and holes. Interactions profoundly affect the charge dynamics of graphene, which …

Ultraclean graphene at charge neutrality hosts a quantum critical Dirac fluid of interacting
electrons and holes. Interactions profoundly affect the charge dynamics of graphene, which …

Hyperbolic phonon polaritons (HPhPs) in van der Waals layered polar crystals exhibit
extreme light confinement capability, providing an unprecedented research opportunity to …