Light-mediated strong coupling between a mechanical oscillator and atomic spins 1 meter apart

doi:10.1126/science.abb0328

GSTDTAP > 气候变化

DOI	10.1126/science.abb0328
	Light-mediated strong coupling between a mechanical oscillator and atomic spins 1 meter apart
	Thomas M. Karg; Baptiste Gouraud; Chun Tat Ngai; Gian-Luca Schmid; Klemens Hammerer; Philipp Treutlein
	2020-07-10
发表期刊	Science
出版年	2020
英文摘要	The development of hybrid quantum systems provides a flexibility that allows for various components to be coupled together, thereby expanding the opportunity to build quantum sensors and devices that can be designed for specific purposes. Key to doing so is being able to strongly couple the different components. Most developments to date have relied on the components being in close proximity, which can hamper design flexibility. Karg et al. used a laser to induce strong coupling between a cloud of atoms and an optomechanical membrane. With the components separated by 1 meter, this approach demonstrates a methodology of coupling quantum systems and easing up restrictions on spatial proximity. Science , this issue p. [174][1] Engineering strong interactions between quantum systems is essential for many phenomena of quantum physics and technology. Typically, strong coupling relies on short-range forces or on placing the systems in high-quality electromagnetic resonators, which restricts the range of the coupling to small distances. We used a free-space laser beam to strongly couple a collective atomic spin and a micromechanical membrane over a distance of 1 meter in a room-temperature environment. The coupling is highly tunable and allows the observation of normal-mode splitting, coherent energy exchange oscillations, two-mode thermal noise squeezing, and dissipative coupling. Our approach to engineering coherent long-distance interactions with light makes it possible to couple very different systems in a modular way, opening up a range of opportunities for quantum control and coherent feedback networks. [1]: /lookup/doi/10.1126/science.abb0328
领域	气候变化 ; 资源环境
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文献类型	期刊论文
条目标识符	http://119.78.100.173/C666/handle/2XK7JSWQ/283398
专题	气候变化资源环境科学
推荐引用方式 GB/T 7714	Thomas M. Karg,Baptiste Gouraud,Chun Tat Ngai,et al. Light-mediated strong coupling between a mechanical oscillator and atomic spins 1 meter apart[J]. Science,2020.
APA	Thomas M. Karg,Baptiste Gouraud,Chun Tat Ngai,Gian-Luca Schmid,Klemens Hammerer,&Philipp Treutlein.(2020).Light-mediated strong coupling between a mechanical oscillator and atomic spins 1 meter apart.Science.
MLA	Thomas M. Karg,et al."Light-mediated strong coupling between a mechanical oscillator and atomic spins 1 meter apart".Science (2020).