Lu Chaoyang, "Nature" magazine "Chinese Science Star"
Born in 1982 | Ph.D., University of Cambridge, UK | Professor, University of Science and Technology of China
(Source: Nature, Volume 534, p461, 2016 June23)
"From DNA research to neutrinos and neuroscience, the results of China's top scientists are making a huge impact. It is precisely because of the research and innovation of scientists that China's position in the world's scientific community is gradually improving", 2016 In June, Nature selected 10 scientists who have made outstanding achievements and influence in their respective fields. They are called "China Science Stars". Among them, Lu Chaoyang, a young professor at the University of Science and Technology of China, is called “Quantum Wizard†because of his great contribution to quantum science communication.
One of the cores of quantum communication is a high-quality single-photon source. A high-quality single-photon source is a key factor in achieving single-quantity multi-degree-of-freedom long-distance transmission. Using the attocube's liquid-free, low-temperature, strong-field confocal microscope in Germany, Professor Lu Chaoyang first discovered the single-photon emission point in a single-layer two-dimensional material, tungsten disilicide (WSe2). Single-photon emission in two-dimensional materials or to help the scientific community to find high-quality single-photon light sources (with high luminous efficiency, etc.) in the future has great practical significance in the field of quantum communication.
attoDRY1000-9T attoCFM liquid-free, low temperature and strong magnetic field confocal microscope plays an important role in its work
(Source: Nature Nanotechnology, 497 Vol. 10, 2015)
A single quantum usually has multiple degrees of freedom (both intrinsic and extrinsic), and there is a correlation between multiple degrees of freedom. In the field of quantum communication, how to simultaneously transmit multiple degrees of freedom of quantum is a recognized problem. In 2015, the research work "Quantum teleportation of multiple degrees of freedom of a single photon" (Nature 516, Vol518, 2015) published by Professor Lu Chaoyang and Academician Pan Jianwei broke the international academic community. Since 1997, only the limitation of single degree of freedom of elementary particles has been transmitted, opening up new ideas for quantum communication.
According to the Physical Review Letters of May 2016, Professor Lu Chaoyang used a variable temperature thermostat to study the single photon emission phenomenon in high quality quantum dots grown by molecular beam epitaxy, which confirmed the effect of single photon emission. (Near-Transform-Limited Single Photons from an Efficient Solid-State Quantum Emitter, PRL 116, 213601 (2016)). This work has important academic reference significance and is another firm step forward in the research of quantum communication.
Single-photon emission in high-quality quantum dots prepared by molecular beam epitaxy
(Source: PRL 116, 213601 (2016))
No liquid, low temperature, strong magnetic field confocal microscope attoCFM technology features:
1. Wide range of applications, including PL/electroluminescence EL/Raman spectrum under magnetic field
2. Liquid-free closed-loop cryostat
3. The magnetic field can reach 9T (2D vector magnet 9T/3T, 15T magnet, etc.)
4. Temperature range: 1.5K - 300K (mK optional)
5. Low temperature objective lens NA=0.82, 50 times magnification, laser spot is about 1um
6. Can be electrically measured with standard chip carrier
7. The sample can be positioned in a wide range: 5mm X 5mm X 5mm @ 4K
8. Low temperature scanning range: 30um X 30um@4K
9. Upgrade to AFM/MFM, SHPM, SNOM and STM
10. Thermostats and magnets compatible with 1" and 2" apertures, including Quantum Design - PPMS
11. External CCD for observing sample position at low temperature, field of view 75um
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About Quantum Design
Quantum Design is the world's leading manufacturer and distributor of scientific equipment, and was founded in 1982 in San Diego, California. The company's SQUID Magnetic Measurement System (MPMS) and Material Integrated Physical Property Measurement System (PPMS) have become the world's recognized top-level measurement platform, widely distributed in the world's most research-oriented fields of materials, physics, chemistry, nanotechnology, etc. laboratory. In 2007, Quantum Design acquired LOT, the largest instrument distributor in Europe, and has become a world-renowned multinational company in the field of scientific instruments. At present, the company has dozens of branches and offices in the United Kingdom, the United States, France, Germany, Brazil, India, Japan and China, and operates in more than 100 countries and regions around the world. China is the most active market for Quantum Design, with offices or offices in Beijing, Shanghai and Guangzhou. Over the past decades, the company's cooperation with China's research and education fields has been fruitful, providing advanced equipment and high-quality services for the advancement of Chinese scientific research.
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