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 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