There is no such thing built or being built, nor it there any reason to send centimeter sized probes anywhere because there is no way to fix such a small device with a transmitter so that we can communicate with the probe therefor the concept is meaningless even if possible.
Seriously dude a probe needs a fuel source for the laser, a frame, the sails, and a transmitter so we can have a use for the probe. The only place that this is logical is in a mentally ill mind that believes everything that they read on the internet, so wake up
You also have no link to the mad magazine page where this is real