High-efficiency superconducting nanowire single photon detectors based on amorphous Mo0.75Ge0.25

Varun B. Verma,Adriana E. Lita,Michael R. Vissers,Francesco Marsili,David P. Pappas,Richard P. Mirin,Sae Woo Nam

High-efficiency superconducting nanowire single photon detectors based on amorphous Mo0.75Ge0.25

2014

Varun B. Verma
Adriana E. Lita
Michael R. Vissers
Francesco Marsili
David P. Pappas
Richard P. Mirin
Sae Woo Nam

We measure a saturation of the internal quantum efficiency of superconducting nanowire single-photon detectors based on a Mo0.75Ge0.25 alloy with peak system detection efficiency of 30%.

Keywords:

Amorphous solid
Superconductivity
Electron-beam lithography
Quantum key distribution
Quantum efficiency
Nanowire
Nuclear magnetic resonance
Photon
Optics
Physics
X-ray crystallography
Detector
Saturation (chemistry)
Optoelectronics
Germanium

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