This Quantum Detector Boosts Terahertz Sensitivity by 20 Times
Detecting terahertz radiation using a quantum metasurface-based photoelectric tunable-step terahertz detector – a path to high-sensitivity imaging and…
Dynamically tunable membrane metasurfaces for infrared spectroscopy and strong light-matter interactions
To investigate the thermal tunability of the Si membrane metasurfaces, we first performed temperature-dependent optical characterization using a…
Ultraviolet-C to mid-infrared supercontinuum generation in periodically poled lithium tantalate waveguides
Principle concept and structural design Figure 1 schematically illustrates the proposed waveguide structure for achieving UV to MIR…
Negative time could be real as light appears to exit atoms before entry
Physicists have just uncovered fresh evidence for a bizarre quantum phenomenon called negative time, where photons appear to…
Spectral level repulsion and Lifshitz-like states in hyperuniform disordered photonic networks
The samples investigated in this work are based on the design of a purely two-dimensional stealthy hyperuniform disordered…
Scientists Just Used Sunlight To Pull Off a Quantum Physics Feat Once Thought Impossible
Correlated photon pairs, generated via sunlight-pumped spontaneous parametric down-conversion in a nonlinear crystal, demonstrate ghost imaging. Credit: W.…
Gigahertz-rate thin-film lithium niobate receiver for time-bin quantum communication
Device description and operating principle A conceptual device layout is shown in Fig. 1a. It consists of two…
Scientists Use AI To Supercharge Ultrafast Laser Simulations by More Than 250x
Artistic rendering of noncollinear sum-frequency generation (SFG): two infrared pulses mix in a χ² crystal to produce three…
Scientists Uncover Hidden Property of Light That Twists Matter Sideways
Light is known to exert tiny forces, but measuring them at the nanoscale has remained a major challenge.…
Stretching Diamonds Unlocks Powerful New Quantum Sensing Abilities
Computational modeling reveals how stretching and squeezing a diamond’s crystal lattice precisely tunes the dynamic quantum states of…
Scientists Uncover “Astonishing” Hidden Property of Light
Scientists have discovered that light can naturally develop a hidden “handedness” as it travels through empty space, without…
Scientists Overcome Major Quantum Bottleneck, Potentially Transforming Teleportation and Computing
Achieving the entanglement measurement of the W state. Credit: KyotoU / Takeuchi lab A new method reveals hidden…