Low-threshold lasing from colloidal quantum dots under quasi-continuous-wave excitation
Chemicals Cadmium oxide (CdO, 99.5%, trace metals basis), zinc acetate 99.99%, trace metals basis), oleylamine (70%, technical grade),…
Quasi-bound flat bands in the continuum
The theoretical framework for the quasi-bound flat bands in the continuum We start with a one-dimensional (1D) silicon…
Observation of space-time surface plasmon polaritons
Theoretical formulation The conceptual formulation of ST-SPPs is best understood by visualizing their spectral representation on the surface…
Ultra high-Q tunable microring resonators enabled by slow light
Slow light-induced linewidth narrowing The maximum achievable Q-factor (Q = ωc/κ) of resonators is primarily constrained by intrinsic loss mechanisms…
Observation of hyperbolic intersubband polaritons in native-dielectric-doped van der Waals semiconductor quantum wells
Intersubband transition and native-dielectric-doping The intersubband transition energies in the WSe2 QWs can be approximated with an infinite…
Brownian spin-locking effect | Nature Materials
Anderson, P. W. Absence of diffusion in certain random lattices. Phys. Rev. 109, 1492 (1958). Article CAS Google…
Eigenstate control of plasmon wavepackets with electron-channel blockade
Time-resolved measurement of plasmon wavepackets Our quantum device consists of a 100 μm-long electron waveguide, fabricated by depositing electrostatic…
Ultra-broadband wide-angle anti-reflection scheme utilizing multi-layer resonant metasurfaces
When light transitions from one medium to another, differences in refractive indices cause partial reflection which reduces the…
An optical meta-image-processor for enhanced imaging through strongly scattering media
Principle In an ideal imaging system, the PSF appears as a distinct Airy pattern, as shown in Fig. 1a.…
Plasmon-enhanced ultralow-threshold solid-state triplet fusion upconversion
Nadort, A., Zhao, J. & Goldys, E. M. Lanthanide upconversion luminescence at the nanoscale: fundamentals and optical properties.…
Fano interference of photon pairs from a metasurface
Materials with zinc-blende crystalline structure, such as GaAs, AlGaAs, GaP, InGaP, etc, are particularly attractive for non-linear wave…
GHz-rate optical phase shift in light-matter interaction-engineered, silicon-ferroelectric nematic liquid crystals
Shekhar, S. et al. Roadmapping the next generation of silicon photonics. Nat. Commun. 15, 1–15 (2024). Article Google…