Color Television and Video Games may be Sent Using an Antenna Made of Just Excited Atoms

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Atom antennae may eventually replace conventional electronics, according to a recent technological demonstration.

Researchers have successfully modified an atom-based radio communication system such that it can stream video games from a console and receive color visual signals. This is a big step forward for these gadgets, whose compact size and noise tolerance make them possible replacements for some settings. Additionally, it met the gold standard for technology: Doom can run on it.

Utilizing rubidium atoms in a Rydberg state, scientists at the National Institute of Standards and Technology (NIST) built the antenna. The atoms are stimulated in this condition. They have some excited electrons, which indicates that some of them are in unusually distant orbitals from the nucleus. Some Rydberg atoms can be 1,000 times bigger than their equivalent ground-state (i.e., unexcited) counterparts.

Rydberg atoms are extremely susceptible to electromagnetic fields, including radio transmissions, due to their unusual electron distribution. The atoms are preserved in a glass vessel. The Rydberg atoms’ energy changes in response to an incoming signal, and this shift can be read. A TV is given its output so that it can play the transmission. In this instance, a horn antenna is used to transmit a camera’s video feed or a video game from a console.

According to project leader Chris Holloway, “We figured out how to send and receive videos through the Rydberg atom sensors.” “We are currently transmitting video games through atoms and engaging in quantum gaming. The video game was essentially encoded onto a signal, which we then identified using atoms. The TV receives the output immediately.

The size of the beam is crucial to the system’s effectiveness. To acquire a strong signal, the size of the horn antenna, which channels radio waves into a beam, had to be adjusted. The most efficient beam was discovered to have a diameter of less than 100 microns, or around the size of a human hair strand. For streaming, a strong bandwidth of about 100 megabits per second was sufficient.

“We have shown that the Rydberg atom receiver is capable of receiving live color video from both a camera and a gaming console. According to the team’s results in the paper, which was published in AVS Quantum Science, “the bandwidth was enhanced by tuning the probe laser beam width, which changed the average duration the atoms spent in the interaction volume.

The team is currently looking on ways to boost system bandwidth and data rates.

Ali Esen

Istanbul University, Department of Mathematics. Interested in science and technology.

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