在单片谐振器中使用稀土离子掺杂剂的强耦合腔QED：你可以用弱振荡器做什么
Strong coupling cavity QED using rare-earth-ion dopants in monolithic resonators: what you can do with a weak oscillator
摘要：
研究了在单片光学谐振腔中利用稀土离子作为杂质实现腔量子电动力学强耦合的可能性。我们的结论是，由于稀土的振子强度弱，它可能是可能的，但很难达到的制度，其中单光子拉比频率是大的腔和原子的衰变率相比。然而，达到饱和光子数和原子数小于1的状态应该更容易实现。我们表明，在这个“坏腔”制度，转移的量子态和光学相移的条件下的原子的状态仍然是可能的，并提出了一种方法用于相干检测单掺杂剂。
英文摘要：
We investigate the possibility of achieving the strong coupling regime of cavity quantum electrodynamics using rare earth ions as impurities in monolithic optical resonators. We conclude that due to the weak oscillator strengths of the rare earths, it may be possible but difficult, to reach the regime where the single photon Rabi frequency is large compared to both the cavity and atom decay rates. However reaching the regime where the saturation photon and atom numbers are less than one should be much more achievable. We show that in this `bad cavity' regime, transfer of quantum states and an optical phase shift conditional on the state of the atom is still possible, and suggest a method for coherent detection of single dopants.
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