Avalanche photodiode damaged by a high power laser beam during a cryptography attack. The dark central spot is a hole blown through the chip. Selected for a Synopsis in Physics.

From the article:

Laser Damage Helps the Eavesdropper in Quantum Cryptography
Audun Nystad Bugge, Sebastien Sauge, Aina Mardhiyah M. Ghazali, Johannes Skaar, Lars Lydersen, and Vadim Makarov
Phys. Rev. Lett. 112, 070503 (2014)

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