@ioppublishing.bsky.socialDo exceptional-point sensors really measure better? ⚛️
New #QuantumPhotonics research shows that sensors based on exceptional points can beat ordinary sensors in ideal quantum-limited measurements.
👉 Research Highlight: https://ow.ly/A6NA50ZOfjw
📝 Full Article: https://ow.ly/700B50ZOfju
@informaq.bsky.socialUK funding initiative supports emerging researchers developing quantum-ready silicon photonics platforms through interdisciplinary collaboration, addressing critical infrastructure gaps for quantum technology scaling.
@informaq.bsky.socialUniversity of Southampton's CORNERSTONE foundry opens applications for its Photonics Innovation Centre Future Leaders programme, taking place January 12-14, 2027. Partnerships include Integrated Quantum Networks and quantum biomedical research initiatives.
@informaq.bsky.socialResearchers propose a polariton-based Bell-state analyzer for quantum repeaters, achieving lower interaction thresholds than scalar Kerr gates and fourth-order bandwidth error scaling with potential for efficient quantum entanglement swapping.
@informaq.bsky.socialNLM Photonics and LIGENTEC demonstrate first silicon nitride organic hybrid modulators on a commercial platform, extending operation into visible spectrum for quantum photonics and sensing applications.
@informaq.bsky.socialResearchers demonstrated theory-independent certification of quantum nonclassicality in a three-mode photonic chip using theory-agnostic tomography and simplex-embeddability testing—no quantum theory assumptions required.
@informaq.bsky.socialTheory predicts light transmitted through weakly-coupled atomic ensembles can violate Bell inequalities via antibunched suppression and phase-coherent bunching mechanisms, achievable with 75-250+ atoms depending on coupling strength.
@informaq.bsky.socialComprehensive 32-level atomic model captures photon-count statistics in four-wave mixing but falls short on coincidences, revealing that collective effects beyond individual atom dynamics are crucial for quantum correlations.
@informaq.bsky.socialResearchers demonstrate a fully integrated quantum frequency processor combining biphoton sources, spectral control, and high-dimensional entanglement on a 4×7mm silicon chip with >99.9% fidelity gates—advancing scalable photonic quantum processors.
@informaq.bsky.socialDemonstrates that random hypercube photonic circuits achieve near-maximal entanglement across all subsystems at logarithmic circuit depth Θ(log n), connecting entanglement generation to sampling complexity hardness.
@informaq.bsky.socialResearchers demonstrate controlled formation of single-photon emitters in AlN through proton irradiation and annealing, with efficiency dramatically enhanced under N-rich growth conditions—achieving 8×10⁷ cm⁻² emitter density.
@informaq.bsky.socialNovel symmetry-based framework unifies few-photon quantum interference phenomena, revealing how spatial exchange properties directly determine measurement outcomes and optimality in quantum metrology applications.
@informaq.bsky.socialClosed-form expressions for cubic-phase gate Fock amplitudes on Gaussian states using Airy functions. Solves numerical instabilities at weak nonlinearities crucial for continuous-variable quantum computing experiments.
@tenuretracker.bsky.socialICFO - The Institute of Photonic Sciences is hiring:
Post-doctoral position in Development of Cold Atom-Based Quantum Network Nodes
@informaq.bsky.socialQuantum researchers successfully transmitted entangled photons 7 kilometers across Guanabara Bay in Brazil, advancing long-distance quantum communication infrastructure capabilities.
@informaq.bsky.socialUTS researchers engineered a monolithic silicon carbide metalens simultaneously collecting light at 860nm and 1240nm from nitrogen and silicon vacancy defects, enabling compact quantum photonic systems without separate optics.
@informaq.bsky.socialXanadu and ASML partner to minimize photon scattering in integrated quantum photonic circuits through advanced lithography, addressing a key barrier to fault-tolerant quantum error correction in room-temperature systems.
@informaq.bsky.socialNLM Photonics attracts new investors to advance organic photonics technology, aiming to scale quantum photonic computing systems for practical applications.
@informaq.bsky.socialA three-emitter scheme generates high-purity two-photon bundles where finite level structures intrinsically exclude unwanted higher-excitation states, achieving near-100% bundle purity with potential quantum information applications.
@opg.optica.orgVia #OPG_Optica: Integrated bright source of polarization-entangled photons using lithium niobate photonic chips https://bit.ly/4qZmbrf #QuantumComputation #QuantumPhotonics 💡⚛️
