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Single-Photon Detectors for Quantum Integrated Photonics

2024; Multidisciplinary Digital Publishing Institute; Volume: 12; Issue: 1 Linguagem: Inglês

10.3390/photonics12010008

2304-6732

T. Dao, Francesco Amanti, Greta Andrini, Fabrizio Armani, Fabrizio Barbato, V. Bellani, V. Bonaiuto, Simone Cammarata, Matteo Campostrini, Samuele Cornia, F. De Matteis, Valeria Demontis, Giovanni Di Giuseppe, S. Ditalia Tchernij, S. Donati, A. Fontana, J. Forneris, R. Francini, L. Frontini, Gian Carlo Gazzadi, R. Gunnella, Ali Emre Kaplan, Cosimo Lacava, Valentino Liberali, Leonardo Martini, Francesco Marzioni, Claudia Menozzi, Elena Nieto Hernández, E. Pedreschi, Paolo Piergentili, P. Prosposito, V. Rigato, C. Roncolato, Francesco Rossella, M. Salvato, F. Sargeni, S. Shojaii, F. Spinella, A. Stabile, A. Toncelli, Gabriella Trucco, Valerio Vitali,

Photonic and Optical Devices

Single-photon detectors have gained significant attention recently, driven by advancements in quantum information technology. Applications such as quantum key distribution, quantum cryptography, and quantum computation demand the ability to detect individual quanta of light and distinguish between single-photon states and multi-photon states, particularly when operating within waveguide systems. Although single-photon detector fabrication has been established for some time, integrating detectors with waveguides using new materials with suitable structural and electronic properties, especially at telecommunication wavelengths, creates more compact source-line-detector systems. This review explores the state of the art of single-photon detector research and examines the potential breakthroughs offered by novel low-dimensional materials in this field.