Single-mode lasers before the merger
A central problem in semiconductor lasers is deceptively simple: how can one increase optical performance without allowing unwanted…
World`s first diamond quantum computer could have 1,000 logical qubits
Japanese tech giant Fujitsu has developed the world’s first working diamond-spin quantum computer prototype that incorporates tin-vacancy (SnV)…
Ultrafast triggering of strong coupling in a semiconductor terahertz Fabry-Pérot cavity
THz characterization of a photo-excited thin Si wafer When a semiconductor is excited above band-gap, its optical properties…
What Quantum Computing Can Do for Humanity — and South Chicago
Sitting in a swivel chair in a hotel conference room, Victor Peng stares out the window at the…
Scientists Reprogram How Light Travels in Just 74 Femtoseconds
Researchers have shown that nanoscale silicon structures can amplify an otherwise weak optical effect enough to control light…
Scientists Steer Infrared Light Through an “Invisible” Waveguide
Artist’s illustration of plasmon canalization in MoOCl₂, showing light propagating along a narrow channel. The image depicts the…
World’s First Photonic Time Crystal Can Reshape Light in Trillionths of a Second
A THz electromagnetic wave induces strong, fast temporal modulations that realize a photonic time crystal: a crystal lattice…
Scientists build four-lane highway for light inside a single photonic chip
For years, physicists have dreamed of optical chips where light can race around corners and dodge defects without…
New Semiconductor Device Turns Light Into a Directed Current
When two pulses of different colored lasers (the two waves at the top of the image) light meet…
A Fiber Frozen at -196°C Unlocks a New Way To Store Light
Artist impression of a frozen optical fiber core in a glass capillary, which guides and couples light and…
World’s First Room-Temperature Quantum Material Sorts Light in an Unprecedented Way
A new Nature study establishes a blueprint for engineering future quantum materials that operate under everyday conditions. Credit:…
Topological Jackiw-Rebbi states in photonic Van der Waals heterostructures
Theoretical model for guided modes of photonic gratings Assuming continuous translational symmetry in the lateral y direction, the…