Available as a 750x1500 JPEG

Optical part of Eve’s testing setup

The experiment done by Vadim Makarov in Prof. Kulik’s lab at the Moscow State University tested saturation behavior of a single photon detector based on a passively quenched silicon avalanche photodiode. As the experiment showed, this saturation behavior of the single photon detector can be used to stage a successful attack on a quantum cryptosystem that uses two or more such detectors.

This picture from Full eavesdropping on quantum cryptography gallery and Quantum hacking lab gallery is included in Picture Collection (ref. nr. a256-21) on Photo Pages

Taken on February 17, 2007.
Fujichrome Sensia II 100 film, Canon EOS-3, EF 24mm 1:2.8 lens, 80A filter, incandescent lighting by a single light bulb placed above the setup, f/11 50sec, >DOF, spot metering: brighter parts of the scene 0 to +1, tripod. Scanned on Nikon LS-2000 scanner.

How you can use this image. ©2007 Vadim Makarov