Quantum Photonics Circuits

Dear Colleagues,

Quantum information science (QIS) has established new benchmarks in communication security, metrology, and computation by exploiting concepts typical of quantum mechanics, such as entanglement and superposition. For instance, quantum approaches to optical communication guarantee augmented security in data exchange, and quantum computing promises processing capabilities well beyond the limits of classical mainframes. Photonics is seen to play a major role in the generation, routing, and manipulation of quantum information, and photons are front-line players in the development and application of QIS. In this perspective, integrated optical circuits, which are characterized by high density of optical elements and configurability, appear to be indispensable to ensure scalability and reliability of quantum optical devices. The ultimate dream in the field of quantum photonic circuits is the complete on-chip integration of quantum systems, from the generation of nonclassical states to their manipulation and detection. This Special Issue is expected to address different strategies towards both the choice of the technology platform (single material or hybrid geometry) and the development and integration of all the required optical elements.

Prof. Dr. Roberto Morandotti
Dr. Laurent Labonté
Dr. Marco Liscidini
Guest Editors

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