@informaq.bsky.socialResearchers characterize the temporal properties of quantum light sources at telecom wavelengths, bridging narrowband quantum memories with pulsed operation—critical for future quantum networks requiring synchronized independent photon sources.
@informaq.bsky.socialThree-level transmon qubits suppress stimulated emission by ~50% compared to ideal two-level systems when relative anharmonicity <4%, but enable tunable photon bunching effects in reflected fields.
@informaq.bsky.socialPractical fiber-integrated source of entangled photon pairs assembled from commercial components with Bell-state fidelity of 0.850, enabling quantum communication and multiuser entanglement distribution through existing fiber infrastructure.
@informaq.bsky.socialIQC researchers demonstrate experimental feasibility of photon subtraction using solid-state quantum emitters and chiral waveguides integrated on-chip, offering efficient quantum light generation for communications, sensing, and computing applications.
@informaq.bsky.socialNovel error-mitigation framework for parametric down-conversion sustains 95.4% conversion efficiency across thermal fluctuations and fabrication errors without closed-loop feedback, enabling robust quantum light sources.
@informaq.bsky.socialProposes linear regression method to predict Fock state statistics using coherent light and threshold detectors, enabling accurate simulation of single-photon sources for quantum information processing tasks without expensive specialized hardware.
@tenuretracker.bsky.socialBarcelona Institute of Science and Technology is hiring:
Postdoctoral Researcher in Quantum Photonics
@informaq.bsky.socialResearchers have developed a 25-year-sought method to measure W state multi-photon entanglement, enabling efficient quantum identification without exponential data scaling. This advances quantum teleportation, communication, and computing technologies.
@informaq.bsky.socialResearchers demonstrate reversible optical modulation and quasi-permanent tuning of diamond photonic cavities, achieving 45% modulation depth via photo-induced charge dynamics—a breakthrough for programmable diamond quantum photonics.
@informaq.bsky.socialFirst isolation of a single silicon C-center at telecom L-band wavelengths. Photonic cavity coupling achieves 5× lifetime reduction and confirms single-photon emission, enabling scalable quantum networks in foundry-compatible silicon photonics.
@informaq.bsky.socialQuantum sensing with undetected photons enables rapid, sensitive mid-infrared chemical analysis without mechanical scanning. Demonstrated for pharmaceutical residues, security features, and analysis through turbid media in 100ms per spectrum.
@informaq.bsky.socialResearchers experimentally resolved third and fourth-order photon scattering from a single atom, revealing genuine energy-time entangled multiphoton states with applications in quantum secret sharing and quantum metrology.
@informaq.bsky.socialStudy reveals that truncating a photon generates multiple photons in a narrow transition region while remaining locally indistinguishable from single-photon or vacuum states elsewhere—elegantly resolving the quantum mechanics-relativity paradox.
@informaq.bsky.socialHawthorn Photonics rebrands AdvR as Covesion, establishing a dedicated components brand specializing in MgO:LN crystals for quantum light sources and cold-atom sensors. Key supplier for emerging quantum technologies.
@informaq.bsky.socialFirst programmable quantum photonic processor demonstrated in space. Two-photon quantum interference observed on orbiting nanosatellite, enabling quantum-assisted computing for satellite applications and distributed quantum networks.
@informaq.bsky.socialInGaAsP/Si hybrid MOS phase shifters achieve femtowatt-level static power consumption and 555 ps switching times, overcoming trade-offs that have limited programmable photonic circuit scaling for quantum and classical applications.
@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.