Erbium ions in silicon demonstrate unprecedented coherence properties with optical linewidths below 70 kHz and electron spin coherence times exceeding 0.8 ms, establishing a promising telecommunications-compatible platform for quantum information processing that leverages existing silicon nanofabrication technologies.
Silicon photonic integrated circuit developed by ORNL scientists combines a bidirectionally pumped microring resonator with polarization splitter-rotators to generate broadband, high-fidelity polarization-entangled photons across 116 frequency-bin pairs compatible with existing fiber-optic networks, marking a significant advancement toward a scalable quantum internet.
Researchers have developed a programmable photonic latch that enables faster optical data storage and processing by utilizing silicon photonics and wavelength division multiplexing, potentially revolutionizing AI applications and optical computing systems while overcoming traditional electronic memory limitations.
A European consortium was launched today with the goal of scaling silicon quantum technologies. Named QLSI (Quantum Large-Scale Integration with Silicon), this four-year EU project, coordinated by CEA-Leti, will lay the foundation for the EU’s […]
French CEA-Leti has just announced the setup of a Quantum-Photonics Platform to ensure ultra-secure data for Finance, Energy, Defense and other industries. The Project will aim to build demonstrators for transmitting and receiving qubits and […]
Researchers have created a silicon carbide (SiC) photonic integrated chip that can be thermally tuned by applying an electric signal. The approach could one day be used to create a large range of reconfigurable devices […]