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The new observation makes it possible. That system can create Schrödinger's cat state in optical pulses.

  The new observation makes it possible. That system can create Schrödinger's cat state in optical pulses. 

The ability to make Schrödinger's cat state to optical pulses is one of the most incredible observations in the world. That thing can revolutionize communication and computing. In experiments, the researchers from Warzaw University used the Fourier transform to create a new type of optical pulse. Wikipedia describes the Fourier transform like this "In physics and mathematics, the Fourier transform (FT) is a transform that converts a function into a form that describes the frequencies present in the original function". (Wikipedia, Fourier transform). 

That transform means that it's possible to calculate the form of original information after it travels through the environment which variables the system knows. The idea is this: if the transmitter sends information as wave movement. And that wave movement is turned flat or its frequency is changed. The Fourier transform makes it possible to calculate the original form of that wave. 

That requires knowledge about the wave movement's original energy level and complete information on how the transformer transformed those waves. That allows to creation of a new state of optics. And the AI can calculate how lenses change the light waves. 

In information theories, Schrödinger's cat, which is same time dead and alive means the information transporter. (Wikipedia, Schrödinger's cat) When a cat is dead, it doesn't carry information. When a cat is alive it carries the information. 


"Researchers have developed a groundbreaking method to perform the fractional Fourier Transform of optical pulses using quantum memory. This unique achievement involved implementing the transformation on a “Schrödinger’s cat” state, having potential applications in telecommunications and spectroscopy." (ScitechDaily.com/Groundbreaking Quantum Leap: Physicists Turn Schrödinger’s Cat on Its Head)


If a cat carries hidden information, it can be at the same time dead or alive. 


If there is a USB stick hidden in the collar the person who hides that USB stick knows that the cat carries information. But other persons or outsiders don't know that cat carries information. So dead cat means that something is meaningless. And a living cat means that the thing means something to somebody. 

Schrödinger's cat means that the same thing can mean something to somebody. And for some other people, the same thing means nothing. In communication, the radio wave can carry purpose signals. That makes them interesting. Or those signals do not carry interesting data. And that makes them dead. 

The Scrödinger's cat is the thing that is dead and alive at the same time. We can describe Schrödinger's cat in information as the transmission that means something to somebody, but what doesn't mean anything to somebody else. So in information technology, Schrödinger's cat state means, that the eavesdropper will not recognize messages when they travel in the data channel. 

And if the transmitter system sends information through the high-voltage wire, that wire is a dead cat. The outsiders will not recognize data that travels in that cable. But the system that communicates by using high-voltage wire knows that there is information. 


https://scitechdaily.com/groundbreaking-quantum-leap-physicists-turn-schrodingers-cat-on-its-head/

https://en.wikipedia.org/wiki/Fourier_transform


https://en.wikipedia.org/wiki/Schr%C3%B6dinger%27s_cat

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