Media Hunt #5: Chaos in Encryption


This rather annoyingly soundtracked video deals with nonlinear optics, an important “ingredient” in the chaos used in encryption.  Watching the video, one can see a demo similar to the demos we’ve done in class; two waves, with bars at the top that adjust frequency and change in the offset for each wave.  The mismatched waves form a second-harmonic generation (a resultant wave), which is very useful in the creation of lasers and the like.  Because of the nonlinearity of the system, the laser created with the given wave has variable frequency, which is used to alter signals and encrypt them with greater security.

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