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…
Widely tunable and narrow-linewidth violet lasers enabled by UV-transparent materials
Ludlow, A. D., Boyd, M. M., Ye, J., Peik, E. & Schmidt, P. O. Optical atomic clocks. Rev.…
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
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Attosecond physics in optical near fields
Experiment We use an amplified erbium fibre oscillator system as the laser source with a 170-fs pulse duration…
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.…
Cavity electrodynamics of van der Waals heterostructures
Cao, Y. et al. Unconventional superconductivity in magic-angle graphene superlattices. Nature 556, 43–50 (2018). Article ADS Google Scholar …
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…