They stepped into the laboratory.
Academician Xue looked around nervously.
The reason why he was nervous was partly because he was curious, and partly because he was worried that he might see something he shouldn't.
As if Lu Zhou could read his mind, he led him into the laboratory and spoke in a relaxed tone.
"Don't be so nervous, since you're involved, it doesn't matter if you see these things."
It would be a different story if they were in the laboratory on the third underground floor, but it didn't matter here. Since he had moved these things to the surface, it meant that even if others saw them, it wouldn't be a big deal.
After hearing Lu Zhou's words, Academician Xue finally breathed a sigh of relief. He calmed down and began to look at the layout of the laboratory curiously.
This was different from most of the laboratories he had seen before. It could even be said that compared to a laboratory, it was more like a workshop with a simple structure.
Academician Xue looked at the device that looked like a wardrobe and was connected to a computer. He asked casually.
"What's this?"
"A laser melting 3D printing system … It's mainly used to process some metal and plastic components that I need. After all, it's very troublesome to find a partner, and I don't want to waste time waiting."
Academician Xue was surprised.
"You know how to operate this thing?"
Lu Zhou explained.
"In a sense, it can be controlled by voice … Thanks to our artificial intelligence technology."
Academician Xue's jaw dropped when he heard this explanation.
Controlled by voice?
Artificial intelligence?
How can this thing be controlled by voice and intelligent?
He could understand automatic modeling, but how can an artificial intelligence understand what the user wants from a few words? Is this something that can be solved by simple artificial intelligence or fuzzy computing?
However, he wasn't an expert in this area, so he didn't have the right to speak. Therefore, he didn't dwell on this issue. Instead, he looked at another piece of equipment that he didn't understand.
"Then … What about that?" Academician Xue pointed at the silver-white metal tube and asked, "What is that thing used for?"
"Multi-circuit single-photon channel … This is what I'm going to show you." Lu Zhou walked to the middle of the metal tube and picked up a pair of gloves from the experiment table next to him. He carefully took out a cylindrical structure covered in titanium alloy brackets from a low-temperature inert gas protective box.
In the cross-section of the cylinder, there were honeycomb-like openings, and in the center of the cylinder, there were translucent vessels that looked like frosted glass.
Academician Xue felt like a caveman as he looked at the things that popped up one after another.
Although he didn't want to ask why, he really couldn't understand what was going on. In the end, he still opened his mouth disappointedly.
He thought for a moment and said, "What is this?"
"A three-dimensional cavity with a multi-mode structure. The main material is an alloy composed of ytterbium, molybdenum, and other materials. It can satisfy all our fantasies about the quantum world …" Lu Zhou felt that this sentence was a little inaccurate. After thinking for a while, he said, "At least for now."
Academician Xue's mouth was wide open.
Everything in front of him was beyond his expectations.
His intuition told him that the thing in front of him might be more powerful than he had imagined. However, he couldn't explain where this magical power came from.
So much so …
He even forgot his original purpose of coming here.
"I know you have a lot of questions, I'll talk to you later."
It was as if Lu Zhou saw the surprise and curiosity on the old man's face. He nodded slightly, then turned around and carefully placed this mysterious cylinder in the groove.
Lu Zhou watched the cylinder descend at a uniform speed under the pull of gravity. He took two steps back and stood next to a computer. He had a satisfied smile on his face.
"It's perfect!"
Academician Xue: "… I don't quite understand."
"Basically, this is a quantum entanglement amplifier. You can think of it as a magnifying glass. However, it doesn't enhance light; it enhances something more microscopic than light. "
Academician Xue's expression changed slightly, and a crazy possibility emerged in his mind.
"… Single photon?"
"Correct … But not completely. To be precise, it's an entangled photon pair."
Lu Zhou snapped his fingers. As if he had received some kind of order, the signal lights on the chassis behind him lit up one after another. The two ends of the silver-white metal tube in front of him also made a slight buzzing sound.
Lu Zhou didn't realize how shocking this scene was to the person next to him. He continued to explain.
"… By placing this multi-mode three-dimensional cavity in a special magnetic field, the free ytterbium atoms in the alloy will enter an extremely insensitive state, thus isolating them from the interference in the environment. They will then capture the photons at the entrance and synchronize them. Then, through a new single-photon emitter, the entangled state will be transmitted to the next repeater, and the above process will be repeated."
Academician Xue's eyes instantly widened.
"This … Is this …!"
"Looks like you already guessed it." Lu Zhou smiled and said, "Quantum communication."
While they were talking, the preparation process for the experiment was completed.
Sixty-four pairs of light photons were emitted from port A and passed through the quantum repeater in the middle of the tube. They were amplified by the repeater and continued to be emitted to the next section of the channel. Finally, they were received by the receiver on port B.
Lu Zhou looked at the feedback on the screen and smirked.
Sixty-four pairs of photons!
All received!
There was no doubt that his experiment was a success!
Academician Xue, who was standing in the middle of the laboratory, was dumbfounded. He didn't come back to his senses until Lu Zhou recorded the data into the database.
"It's over?"
Lu Zhou was standing in front of the computer, and he spoke casually.
"It's over, the experiment was a success."
Academician Xue: "… Why are you showing me this?"
There was no doubt that what he saw in front of him was more confidential than the quantum encryption algorithm.
He really didn't understand why Lu Zhou was showing him these things.
"Because it's not perfect. I only solved part of the problem, but there are still some problems that I'm not good at …" Lu Zhou looked at the clock on the wall and suddenly smiled as he said, "Since the experiment is over, let's talk somewhere else."
Lu Zhou reached out and pressed a few buttons on the keyboard. After the machine was completely shut down, he pressed the power button next to the chassis.
After doing these things, he looked back at Academician Xue and extended an invitation.
"Let's go to my office.
"We can drink something while we talk about these interesting problems."
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