Detecting light at a single photon level: quantum devices and applications

Prof. Val Zwiller

Quantum devices can control light at the single photon level and enable novel instrumentation. Future quantum communication and sensing will require high-performance devices able to generate and detect light one photon at a time. The ability to detect single photons is crucial for quantum optics as well as for a wide number of applications. Several technologies have been developed for efficient single photon detection in the visible and near infrared. The invention of the superconducting nanowire single photon detector in 2001 enabled the development of a new class of detectors that can operate close to physical limits.

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