Quantum information scientists at the U.S. Department of Energy’s Oak Ridge National Laboratory (ORNL) have achieved a major milestone in quantum networking by developing the first device to integrate essential quantum photonic functions onto a single chip. Published in Optica Quantum, the study outlines a pioneering advance in photon-based quantum computing, where qubits—quantum bits—are encoded using particles of light. These photonic qubits are capable of existing in multiple states simultaneously through quantum superposition, enabling them to store and process information far beyond the capabilities of classical bits.
This integrated chip not only generates quantum entanglement—where pairs of qubits share properties even when separated—but also performs encoding and transmission within a compact, scalable platform. Such integration is crucial for the future of quantum networking, which aims to interconnect quantum systems across long distances and ultimately form a secure, high-speed quantum internet.
Continue reading… “Oak Ridge Breakthrough Brings Quantum Internet Closer with All-in-One Photonic Chip”
