利用光学频率梳实现多通道超宽带里德堡电场测量
Multichannel, ultra-wideband Rydberg Electrometry with an Optical Frequency Comb
AI总结：
本研究提出以中红外频率灵活光学频率梳作为三光子里德堡电场测量的耦合激光，实现七个里德堡态同时制备及1–40 GHz多通道宽带探测。
摘要：
尽管里德堡原子已展现出作为微波和毫米波精确、灵敏探测器的巨大潜力，但其响应通常局限于所选微波跃迁附近的单一窄频带。因此，它们作为灵活宽带电磁接收机的潜力尚未得到充分实现。在此，我们演示了将中红外、频率灵活的光学频率梳用作三光子里德堡原子电场测量的耦合激光。该方法使我们能够同时制备多达七个独立的里德堡态，从而在1 GHz至40 GHz的频率范围内实现多通道探测。这种宽带复用方法的通用性和灵活性预计将对里德堡电场测量领域产生变革性影响，为先进信息编码和任意信号检测铺平道路。
英文摘要：
While Rydberg atoms have shown tremendous potential to serve as accurate and sensitive detectors of microwaves and millimeter waves, their response is generally limited to a single narrow frequency band around a chosen microwave transition. As a result, their potential to serve as agile and wideband electromagnetic receivers has not been fully realized. Here we demonstrate the use of a mid-infrared, frequency agile optical frequency comb as the coupling laser for three-photon Rydberg atom electrometry. This approach allows us to simultaneously prepare as many as seven individual Rydberg states, allowing for multichannel detection across a frequency range from 1 GHz to 40 GHz. The generality and flexibility of this method for wideband multiplexing is anticipated to have transformative effects in the field of Rydberg electrometry, paving the way for advanced information coding and arbitrary signal detection.
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