Multi-photon entangled light source

Abstract

The invention provides a multi-photon entangled light source comprising a laser. The working material of the laser has parity. The laser comprises an optical resonant cavity. The optical resonant cavity is a parallel plane standing wave cavity. The optical resonant cavity comprises a laser output end and a total reflection end opposite to the laser output end. The laser light in the two-photon entangled state is generated by the excited radiation of the working material in the optical resonant cavity. The laser light in the two-photon entangled stat propagates back and forth in the optical resonant cavity to generate multi-photon entangled laser light. The total reflection end completely reflects the multi-photon entangled laser light incident on the total reflection end so that the macro-scale single entangled state multi-photon entangled laser light is emergent from the laser output end. According to the multi-photon entangled light source, the multi-photon entangled laser light outputted from the laser output end is enabled to have the single entangled state so that the multi-photon entangled laser light can be used in application such as quantum computation, quantum detection,quantum communication and the like without corresponding processing.

Description

technical field [0001] The present application relates to the field of optics, in particular, to a multi-photon entanglement light source. Background technique [0002] Quantum informatics is the product of the combination of quantum mechanics and information science. Since its appearance at the end of the last century, it has attracted the attention of many physicists. In quantum informatics, quantum entanglement is one of the important features that distinguish it from classical informatics. It plays an extremely important role in the field of basic quantum physics research and plays a vital role in applications such as quantum cryptography, quantum communication, and quantum computing. important role. The optical quantum information processing method is a quantum information processing method, and the photon entanglement state is a research hotspot in the field of quantum optics. [0003] At present, the team of Chinese scientist Pan Jianwei has achieved tens of orders ...

AI Technical Summary

Problems solved by technology

However, this multi-photon entanglement light source can only achieve two-way output of macro-scale multi-dimensional multi-photon entangled laser, and cannot achieve one-way output of macro-scale multi-photon entangled laser, nor can it directly generate a single entangled state of multi-photon entangled laser

In specific applications (such as quantum computing, quantum lighting, quantum radar, etc.), unidirectional output light sources are often used, and entangled light in a single entangled state is often used. Therefore, the multi-photon entangled light source in the prior art is There are many inconveniences in specific applications

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