Quantum, the concept of modern physics, was first proposed by the German physicist M. Planck in 1900. After the perfection of Einstein, Bohr, De Broglie, Heisenberg, Schrödinger, Dirac, Born, etc., in the first half of the 20th century, a complete theory of quantum mechanics was preliminarily established. Most physicists see quantum mechanics as the basic theory of understanding and describing nature.
The following content is a bit embarrassing, please read it patiently so that we can understand the follow-up. The biggest advantage of quantum communication is that it is safe and reliable. The basic idea was mainly proposed by Bennett in the 1980s and 1990s, mainly including quantum key distribution and quantum state teleportation. Quantum key distribution can establish a secure communication password that traditional communications have not been able to do so far. The quantum state teleportation is based on the quantum entangled state distribution and quantum joint measurement, which realizes the spatial transfer of quantum states (quantum information) without moving the physical carrier of the quantum state, which is like transferring the sealed letter content from one envelope to another. In the envelope without moving any information carrier itself, quantum repeaters based on quantum stealth transmission technology and quantum storage technology can realize quantum key distribution and network at any long distance.
China has made breakthroughs in underwater quantum communicationIn recent years, China's military equipment can be described as a blowout outbreak. In fact, this is China's input of a large amount of manpower, material resources and time and energy in basic research and scientific research and development.
Not long ago, China made many breakthroughs in the field of quantum, the first to develop a quantum communication satellite, the first to complete the anti-communication quantum experiment, the first to make a quantum computer, the first to develop a high-performance quantum radar, The first country to achieve quantum entanglement in the order of thousands of kilometers.
Recently, according to the US "National Interests" report, China's quantum technology leads the world, and recently solved a key world problem of underwater quantum communication, and successfully realized the experiment of underwater quantum communication.
The significance of this period is indescribable!
Since the advent of the submarine, communication problems have been a worldwide problem that constrains the performance of submarines. China has taken the lead in solving the underwater application problem of quantum communication. Submarines can communicate without floating surface, which is essential for improving the submarine's own safety.
In this field, in the near future, Chinese submarines will be able to fully surpass the most advanced submarines in the world today.
In the past 10 years, China's armaments, military technology and some countries are not very affordable. In recent years, æ¼20, æ¼31, æ¼15, domestic aircraft carriers, etc., have repeatedly attracted world attention, and even quite scruples.
Some American media said that the underwater quantum communication technology developed in China is comparable to GPS, and can be applied to underwater exploration, underwater rescue, underwater operations, etc., which can bring good news to the world. Japanese media also expressed their willingness to cooperate with China on the underwater quantum communication industry.
Its purpose is self-evident!
The following words may be superfluous, but the small series is like a squat in the throat. I just want to say that if you don’t send papers to foreign publications, and you don’t go to the media to do propaganda, you can really create “real guysâ€, that’s the real thing! But then again, I really appreciate the researchers who have put a lot of effort, wisdom and strength in various fields. It is they who let us approach the Chinese revival dream!
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