Optics and Photonics - Part 2
46 reports
PsiQuantum's Photonic Quantum Hardware Faces Expanded DARPA Scrutiny
PsiQuantum has secured a $125 million agreement with DARPA to support independent verification of its photonic quantum computing hardware, manufacturing processes, and cryogenic infrastructure as part of the Quantum Benchmarking Initiative
Laser-Driven Nonlinear Dynamics Observed in Mott Insulators
Researchers have identified four distinct regimes of photoexcitation in Mott insulators, revealing how laser-driven feedback can dynamically alter conductivity and carrier production in strongly correlated materials
Micro-Transfer Printing Advances Heterogeneous Silicon Photonics Integration
Researchers have demonstrated micro-transfer printing to combine materials like III-V semiconductors and lithium niobate with silicon photonics, addressing integration challenges for faster optical computing and communications hardware
New Mexico Invests $1.2M in Quantum Hardware and Photonics Startups
Six early-stage quantum technology companies have received $200,000 grants each to expand or establish operations in New Mexico, supporting hardware, photonics, and software development for quantum sensing, communication, and computing applications
Optical Frequency Comb Operates in Orbit for First Time
A space-qualified optical frequency comb developed by QuantX Labs has been activated and verified in low Earth orbit, demonstrating key engineering benchmarks for future optical atomic clock payloads in space
Structured light reveals new patterns for retinal health assessment
Researchers have used spin-orbit coupled light to enhance the visibility of Boehm's brushes-subtle optical patterns in peripheral vision-demonstrating a method that could enable non-invasive tests of retinal integrity using quantum optics techniques
NASA Tests Laser Link for Live 4K Video Transmission From the Moon
NASA's Artemis II mission used an experimental laser communications system to transmit live high-definition video from lunar orbit to Earth, testing a lower-cost, higher-bandwidth alternative to traditional radio links under real mission conditions
UCLA Team Integrates Terahertz Generation and Detection on One Chip
A UCLA research group has demonstrated a semiconductor chip that combines terahertz signal generation and detection, using quantum-well photodiodes and standard fabrication methods, potentially enabling scalable terahertz systems for communications and sensing
Hybrid Photon-Atom Quantum Blueprint Targets Error Correction Limits
Quantum Source Alpha Labs has released a detailed hardware proposal for a hybrid photon-atom quantum computing architecture, aiming to address scaling and error correction challenges that limit current quantum processors
Metasurface Grating Demonstrates Compact Solar Magnetic Field Mapping
A polarization-sensitive metasurface grating has matched conventional instruments in mapping solar magnetic fields, offering a route to smaller, simpler, and potentially more robust hardware for future space-based solar telescopes
Coupled Laser Array Reveals Nonlinear Effects in Percolation Transition
A team has experimentally realized percolation using a 100-laser array, uncovering how nonlinear interactions shift the critical threshold and alter cluster formation compared to idealized models
Part 2 of 2