منابع مشابه
Temporal-mode detector tomography of a quantum pulse gate
Encoding information in temporal modes (TMs) is an intriguing scheme in quantum information science. The main practical challenge, however, is to design a device that operates on phase and amplitude of TMs carried by quantum states. The quantum pulse gate (QPG) is a mode selective sum-frequency generation designed for this task. Here, we perform a full modal characterisation of a QPG detector u...
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Superconducting nanowire single-photon detectors (SNSPDs) are widely used in telecom wavelength optical quantum information science applications. Quantum detector tomography allows the positive-operator-valued measure (POVM) of a single-photon detector to be determined. We use an all-fiber telecom wavelength detector tomography test bed to measure detector characteristics with respect to photon...
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Internet-scale quantum repeater networks will be heterogeneous in physical technology, repeater functionality, and management. The classical control necessary to use the network will therefore face similar issues as Internet data transmission. Many scalability and management problems that arose during the development of the Internet might have been solved in a more uniform fashion, improving fl...
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This report describes the conceptual design of a particle detector that could be deployed underground for tracking cosmic-ray muons to enable tomographic reconstruction of the overlying ground and structures. The concept of cosmic-ray muon tomography has been known for a long time but seldom used in practice since the first demonstration. Developments in technology and methods of particle detec...
متن کاملQuantum detector tomography of a single-photon frequency upconversion detection system.
We experimentally presented a full quantum detector tomography of a synchronously pumped infrared single-photon frequency upconversion detector. A maximum detection efficiency of 37.6% was achieved at the telecom wavelength of 1558 nm with a background noise about 1.0 × 10-3 counts/pulse. The corresponding internal quantum conversion efficiency reached as high as 84.4%. The detector ...
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ژورنال
عنوان ژورنال: New Journal of Physics
سال: 2012
ISSN: 1367-2630
DOI: 10.1088/1367-2630/14/11/115005