High-harmonic spectroscopy, an ultrafast all-optical technique initially conceptualized in
atomic and molecular systems, has now emerged as a powerful platform for studying the …

Photoinduced phase transitions in correlated materials promise diverse applications from
ultrafast switches to optoelectronics. Resolving those transitions and possible metastable …

As new states of matter currently attracting broad attention in the optics field, topological
insulators (TIs) present topologically‐protected conducting surface states surrounding …

High-harmonic generation is the frequency upconversion of an intense femtosecond infrared
laser in a material. In condensed-phase high-harmonic generation, laser-driven currents of …

Carbon nanotubes (CNTs) possess extremely anisotropic electronic, thermal, and optical
properties owing to their 1D character. While their linear optical properties have been …

Many-body effects play an important role in enhancing and modifying optical absorption and
other excited-state properties of solids in the perturbative regime, but their role in high …

Interests surrounding the development of on-chip nonlinear optical devices have been
consistently growing in the past decades due to the tremendous applications, such as …

Optical modulation of high-harmonics generation in solids enables the detection of material
properties, such as the band structure, and promising new applications, such as super …

We report on experimental investigation of nonperturbative high harmonic generation (HHG)
in monolayer MoS 2 in the ultraviolet spectral region driven by mid-infrared light. We study …

Solid-state high-harmonic generation is intrinsically sensitive to band structure, carrier
population, and carrier scattering. As such, solid-state high-harmonic generation is …