期刊
PHYSICAL REVIEW LETTERS
卷 118, 期 21, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.118.215301
关键词
-
资金
- ERC project POLAFLOW [308136]
- EPSRC [EP/I028900/2, EP/K003623/2]
- EPSRC [EP/K003623/2, EP/I028900/2, EP/I028900/1, EP/K003623/1] Funding Source: UKRI
- Engineering and Physical Sciences Research Council [EP/K003623/2, EP/K003623/1, EP/I028900/2, EP/I028900/1] Funding Source: researchfish
We report a record-size, two-dimensional polariton condensate of a fraction of a millimeter radius free from the presence of an exciton reservoir. This macroscopically occupied state is formed by the ballistically expanding polariton flow that relaxes and condenses over a large area outside of the excitation spot. The density of this trap-free condensate is < 1 polariton /mu m(2), reducing the phase noise induced by the interaction energy. Moreover, the backflow effect, recently predicted for the nonparabolic polariton dispersion, is observed here for the first time in the fast-expanding wave packet.
作者
我是这篇论文的作者
点击您的名字以认领此论文并将其添加到您的个人资料中。
推荐
暂无数据