Generation and processing of complex photon states with quantum frequency combs

Sciara, Stefania and Roztocki, Piotr and Rimoldi, Cristina and Chemnitz, Mario and Fischer, Bennet and Cortés, Luis Romero and Munro, William John and Moss, David J. and Caspani, Lucia and Reimer, Christian and Azaña, José and Kues, Michael and Morandotti, Roberto (2019) Generation and processing of complex photon states with quantum frequency combs. IEEE Photonics Technology Letters, 31 (23). pp. 1862-1865. ISSN 1041-1135

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    The development of technologies for quantum information (QI) science demands the realization. and precise control of complex (multipartite and high dimensional) entangled systems on practical and scalable platforms. Quantum frequency combs (QFCs) represent a powerful tool towards this goal. They enable the generation of complex photon states within a single spatial mode as well as their manipulation using standard fiber-based telecommunication components. Here, we review recent progress in the development of QFCs, with a focus on results that highlight their importance for the realization of complex quantum states. In particular, we outline recent work on the use of integrated QFCs for the generation of high-dimensional multipartite optical cluster states - lying at the basis of measurement-based quantum computation. These results confirm that the QFC approach can provide a stable, practical, low-cost, and established platform for the development of quantum technologies, paving the way towards the advancement of QI science for out-of-the-lab applications, ranging from practical quantum computing to more secure communications.

    ORCID iDs

    Sciara, Stefania, Roztocki, Piotr, Rimoldi, Cristina, Chemnitz, Mario, Fischer, Bennet, Cortés, Luis Romero, Munro, William John, Moss, David J., Caspani, Lucia ORCID logoORCID:, Reimer, Christian, Azaña, José, Kues, Michael and Morandotti, Roberto;