当前位置: X-MOL 学术Nat. Photon. › 论文详情
Our official English website, www.x-mol.net, welcomes your feedback! (Note: you will need to create a separate account there.)
Non-adiabatic stripping of a cavity field from electrons in the deep-strong coupling regime
Nature Photonics ( IF 35.0 ) Pub Date : 2020-08-10 , DOI: 10.1038/s41566-020-0673-2
M Halbhuber 1 , J Mornhinweg 1 , V Zeller 1 , C Ciuti 2 , D Bougeard 1 , R Huber 1 , C Lange 1
Affiliation  

Atomically strong light pulses can drive sub-optical-cycle dynamics. When the Rabi frequency—the rate of energy exchange between light and matter—exceeds the optical carrier frequency, fascinating non-perturbative strong-field phenomena emerge, such as high-harmonic generation and lightwave transport. Here, we explore a related novel subcycle regime of ultimately strong light–matter interaction without a coherent driving field. We use the vacuum fluctuations of nanoantennas to drive cyclotron resonances of two-dimensional electron gases to vacuum Rabi frequencies exceeding the carrier frequency. Femtosecond photoactivation of a switch element inside the cavity disrupts this ‘deep-strong coupling’ more than an order of magnitude faster than the oscillation cycle of light. The abrupt modification of the vacuum ground state causes spectrally broadband polarization oscillations confirmed by our quantum model. In the future, this subcycle shaping of hybrid quantum states may trigger cavity-induced quantum chemistry, vacuum-modified transport or cavity-controlled superconductivity, opening new scenarios for non-adiabatic quantum optics.



中文翻译:

深强耦合状态下电子对空腔场的非绝热剥离

原子强光脉冲可以驱动亚光循环动力学。当拉比频率(光与物质之间的能量交换速率)超过光学载波频率时,就会出现令人着迷的非微扰强场现象,例如高次谐波产生和光波传输。在这里,我们探索了一种在没有相干驱动场的情况下最终强光与物质相互作用的相关新颖子循环机制。我们利用纳米天线的真空涨落来驱动二维电子气的回旋共振,以真空拉比频率超过载波频率。腔内开关元件的飞秒光激活会破坏这种“深强耦合”,其速度比光的振荡周期快一个数量级以上。真空基态的突然改变会导致光谱宽带偏振振荡,这已被我们的量子模型所证实。未来,混合量子态的这种子周期成形可能会触发空腔诱导量子化学、真空改性输运或空腔控制超导,为非绝热量子光学开辟新的场景。

更新日期:2020-08-10
down
wechat
bug