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…
Spin transition in magnesiowüstite and ultralow thermal conduction in ultralow velocity zones
Thermal conductivity of Fp25 and Fp75 at high pressure and room temperature We used ultrafast time-domain thermoreflectance (TDTR)…
Bichromatic moiré superlattices for tunable quadrupolar trions and correlated states
Structures of R- and H-stacked WSe2/WS2/WSe2 heterotrilayers We fabricated dual-gate WSe2/WS2/WSe2 heterotrilayer devices, which allow independent control of…
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.…
A skin-permeable polymer for non-invasive transdermal insulin delivery
Cell lines and animals The HaCat, mouse hepatoma (AML-12), mouse embryonic fibroblast (3T3-L1) and mouse skeletal muscle (MSMC)…
Electric field-tunable ferromagnetism in a van der Waals semiconductor up to room temperature
Our density-functional theory (DFT) suggests that BP intercalated with a few percent of Co (See schematics in Fig. 1a)…
Fermi polarons under strain-induced pseudomagnetic fields
Pseudospin in strained TMDs The spatial symmetry of TMDs dictates that a linearly polarized photon in a state…
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…
Topological nodal i-wave superconductivity in PtBi2
DFT calculations and BdG model We performed DFT calculations using the full-potential local orbital code FPLO38 within the…
Magnon-polaron control in a surface magnetoacoustic wave resonator
Strong magnon-phonon coupling The low magnetic damping of YIG is contingent on high-quality monocrystalline films, typically grown on…
Telecom-wavelength quantum teleportation using frequency-converted photons from remote quantum dots
Experimental configuration Figure 1a shows a general schematic of the experiment. Two remote QDs are used: QD1 functions as…
Decoupling structural molecular dynamics from excited state lifetimes using few-femtosecond ultraviolet resonant dispersive waves
It can be seen from the transient analysis presented in Fig. 3 that two exponential decay pathways play a…