@informaq.bsky.socialNovel quantum process model for photodetection incorporates both photon-number effects and frequency-dependent detector response using Kraus operators, enabling realistic efficiency modeling and plug-and-play integration in quantum optical systems.
@informaq.bsky.socialResearchers demonstrate quantum advantage in fiber-optic strain sensors using entangled photon pairs, achieving sub-shot-noise sensitivity that surpasses classical limits in power-constrained sensing applications.
@informaq.bsky.socialNovel approach to test quantum mechanics-gravity interplay using cavity-QED scatterers with ultranarrow atomic transitions, enabling centimeter-scale gravitational redshift detection—a tabletop alternative to kilometer-scale interferometers.
@informaq.bsky.socialNovel quantum process model for photodetection incorporates both photon-number effects and frequency-dependent detector response using Kraus operators, enabling realistic efficiency modeling and plug-and-play integration in quantum optical systems.
@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.