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4 thoughts on “wholesale navel piercing jewelry Pan Jianwei team realized long -distance entanglement between independent quantum storage. How difficult is the quantum savings technology?”
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wholesale 24k gold jewelry The University of Science and Technology of China, Pan Jianwei and his colleagues Bao Xiaohui, Zhang Qiang, etc., combined long -lived cold atomic quantum storage technology with quantum frequency conversion technology, and used on -site fiber to establish entanglement between independent quantum storage nodes at a straight line distance from the straight line distance. Pan Jianwei team realized long -distance entanglement between independent quantum storage. How difficult is the quantum savings technology?
1. How difficult is the quantum savings technology?
The research results show that compared with entangled photons, the atoms between multiple nodes -photon entanglement may be more suitable for long -distance transmission of quantum entanglement. This study demonstrates the entanglement of quantum memory 50 kilometers apart. This distance is enough to connect to two cities, and it is much farther than the previous report. Help the development of the quantum Internet. Just like the hard disk drive in the computer, the quantum storage storage quantum information. They are necessary parts of building a quantum Internet, and will promote super secure quantum communication, allowing remote quantum computers to work together.
2. The practical value of the quantum savings technology
The research team uses laser -cooling cricket atoms for quantum storage. Its photon wavelength is 795 nanometer, which is not suitable for transmission in long fiber. Adopt a cyclical polarization lithium rigidate waveguide developed by the Jinan Quantum Research Institute, the team transferred the photon wavelength to 1342 nanometers, which greatly reduced the decay of photon in long fiber. Another difficulty in the work is long -life quantum storage, and the storage life needs to exceed the time of photon transmission. To this end, the team designed a new type of light and atomic entanglement to generate a solution. While obtaining a long storage life, the photon -produced coding produced in terms of time is very suitable for frequency transformation and long -distance transmission.
3. The status of China's international quantum
This results have established China's first position in international quantum computing research, and in order to solve large -scale quantum simulators with major practical value issues Lay the foundation. Through the precise preparation, control and detection of large -scale quantum systems, the development of a quantum simulator that can manipulate hundreds of quantum bites can be developed to solve the problem of unsightly supercomputers, such as quantum chemistry, new material design, optimization algorithm, etc. Essence However, for the superiority of this result, Pan Jianwei said: "This is a dynamic process, all leads are only temporary."
Far -distance entanglement. This work lays the foundation for subsequent applications such as multi -node quantum network prototype system, performing quantum physical inspection, and exploration device irrelevant quantum key distribution.
wholesale thailand jewelry The technical difficulty is quite difficult. It can be said that there is almost no precedent in the world, so our scientists are really great.
lacrosse jewelry wholesale The difficulty is not ordinary and requires a variety of difficult problems.
wholesale wooden jewelry boxes uk Quantum savings require extremely small quantum, and it is very difficult to control it with great energy.