Qub-IT is a project funded by INFN Scientific Commission V. It aims to develop quantum sensing with superconducting qubits for present and future INFN fundamental-physics experiments. The main objective of the project is the realization of an itinerant single-photon counter that surpasses present devices in terms of efficiency and low dark-count rates by exploiting repeated QND measurements of a single photon and entanglement in multiple qubits. This device will find immediate application in light dark-matter searches. The project sees the participation of several universities, INFN Units and research institutes.<\/p>\r\n\n\n\n\n\n\n\n
QUBIT (or quantum bit)<\/strong> is the basic unit of quantum information, the quantum version of the classic binary bit physically realized with a two-state device. A qubit is a two-state (or two-level) quantum-mechanical system, one of the simplest quantum systems displaying the peculiarity of quantum mechanics. In a classical system, a bit would have to be in one state or the other. Quantum mechanics allows the qubit to be in a coherent superposition of both states simultaneously, a property that is fundamental to quantum mechanics and quantum computing.<\/p>\n \n\r\n\u00a0<\/h3>\r\n\n\n\n\n\nActivities\n