Triplets electrically turn on insulating lanthanide-doped nanoparticles
LnNPs consist of an inorganic insulating host, typically fluorides or oxides such as NaGd/Y/LuF4 with a large energy…
Measurement of optically induced broken time-reversal symmetry in atomically thin crystals
TH Faraday rotation in monolayer WS2 First, we study the non-centrosymmetric WS2 monolayer. The excitation of TMD monolayers…
Comprehensive investigation of emission homogeneity of InGaAs multiple quantum wells using spatially resolved spectroscopy
Semiconductor lasers are a class of devices in which the light is generated via stimulated emission in a…
Strong-interaction-driven quadrupolar-to-dipolar exciton transitions in a trilayer moiré superlattice
Wang, G. et al. Colloquium: excitons in atomically thin transition metal dichalcogenides. Rev. Mod. Phys. 90, 021001 (2018).…
Optical signatures of interlayer electron coherence in a bilayer semiconductor
Transition-metal dichalcogenides (TMDs) are direct-gap semiconductors that can host optically bright excitons corresponding to Coulomb-bound electron–hole pairs. Due…
Wide-field spectroscopic imaging of optical activity
Concept and experimental workflow Figure 1 shows the conceptual scheme and the experimental setup of the polarization-sensitive off-axis…
Broadband transient full-Stokes luminescence spectroscopy
Separation of polarization components of sample luminescence A schematic of the setup with specifications and part numbers of…