Nano 'two-photon factory' launched, Chinese research team successfully develops new quantum entanglement light source
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Author:Anonymous
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Published time: 2025-07-11
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On July 11th, research led by Professors Wang Xuehua and Liu Jin from Sun Yat sen University's School of Physics was published online in Nature. The team proposed a novel cavity induced spontaneous two-photon radiation scheme, achieving spontaneous two-photon radiation intensity comparable to single photon radiation for the first time globally, and developed a new on-demand triggered micro nano quantum entangled light source with a fidelity of up to 99.4%. This achievement supports the development of next-generation quantum precision measurement technology and the construction of functional optical quantum information processing chips.
On July 11th, the latest research results led by Professor Wang Xuehua and Professor Liu Jin from the School of Physics at Sun Yat sen University were recently published online in the journal Nature. The team has proposed a novel cavity induced spontaneous two-photon radiation scheme, which is the first internationally to achieve spontaneous two-photon radiation intensity comparable to single photon radiation, and has developed a new on-demand triggered micro nano quantum entangled light source with a fidelity of up to 99.4%. This achievement provides key support for the development of a new generation of quantum precision measurement technology and the construction of functional optical quantum information processing chips.
