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Intercept-resend attack experiment being rehearsed in the lab before moving Alice, Bob and Eve to separate locations for a full-scale experiment

Note that the labs at the Centre for quantum technologies have whiteboard walls, floor to ceiling, on which one can draw with markers. This is very convenient.

This picture from Full eavesdropping on quantum cryptography gallery and Quantum hacking lab gallery is included in Picture Collection (ref. nr. a287-6) on Photo Pages.

Taken on June 23, 2009 at the Centre for quantum technologies, Singapore.
Fujichrome Sensia 100 film, Canon EOS-3, EF 24mm 1:2.8 lens, 81A filter, f/(11..8), multiple exposure with different lights switched on/off (the table lamp was on for a small part of the total exposure time), >DOF, tripod. Scanned on Nikon LS-2000 scanner.

How you can use this image. ©2009 Vadim Makarov