Colloque - Adriana E. Lita : Development of Superconducting Single-Photon Detectors for Quantum Information Applications

Pascale Senellart Chaire annuelle Innovation technologique Liliane Bettencourt (2025-2026) Collège de France Année 2025-2026 Colloque : Light-based Quantum Technologies Pascale Senellart, chaire Innovation technologique Liliane Bettencourt Colloque - Adriana E. Lita : Development of Superconducting Single-Photon Detectors for Quantum Information Applications Adriana E. Lita Résumé Single-photon detectors are a key enabling technology for the realization of light-based quantum information applications. These devices operate at the fundamental limit of electromagnetic signal strength, which places stringent requirements on their performance. The quest for an ideal single-photon detector aims to combine as many of the following performance metrics as possible: near-unity detection efficiency, ultra-low dark count rates, fast temporal response, and photon-number-resolving capability, all across a wide spectral range. In this presentation I will review the development and latest performance records achieved by single-photon detectors, with a focus on superconducting detectors such as Superconducting Nanowires Single-Photon Detectors (SNSPDs) and Transition-Edge Sensors (TESs). I will highlight how these detectors have redefined the state-of-the-art and conclude by showcasing representative applications in quantum information science and related fields.

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Colloque - Adriana E. Lita : Development of Superconducting Single-Photon Detectors for Quantum Information Applications is an episode from Colloques interdisciplinaires by Collège de France.

This episode is 42:28 long.

This episode was published on Apr 16, 2026.

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