铯里德伯微波接收器的频率与功率相关光学响应
Frequency- and Power-Dependent Optical Response of a Cesium Rydberg Microwave Receiver
浏览论文内容
中文总结 AI 辅助
本研究实验测量了室温铯蒸气室作为里德伯微波接收器在电磁感应透明下的频率与功率响应，分析了射频感应的 EIT 分裂及功率曲线特征。
中文摘要 AI 辅助
我们展示了基于电磁感应透明的、作为里德伯微波接收器的室温铯蒸气室在实验上获得的频率与功率相关光学响应。施加的微波场将 ${70S_{1/2}}$ 里德伯态耦合到邻近的 ${70P_{1/2}}$、${70P_{3/2}}$、${69P_{1/2}}$ 和 ${69P_{3/2}}$ 态，从而改变探测光透射光谱。在耦合激光失谐的 800 MHz 范围内记录探测光透射。这些 EIT 光谱是在 9 至 13.5 GHz 的射频频率和 40 dB 的射频功率范围内测量的。我们分析了记录的 EIT 光谱中射频感应的分裂。我们观察到两种极限情况，其中 EIT 峰分离要么由射频失谐主导，要么由射频功率主导。在较高功率下，我们还能够观察到由于多个邻近里德伯态耦合而产生的复杂特征。我们进一步分析了零耦合激光失谐时的探测光透射信号。对功率响应曲线进行 S 形拟合，以确定作为射频频率函数的中点功率和 10-90% 转变区间。
英文摘要
We show experimentally obtained frequency- and power-dependent optical response of a room-temperature cesium vapor cell used as a Rydberg microwave receiver based on electromagnetically induced transparency. An applied microwave field couples the ${70S_{1/2}}$ Rydberg state to the nearby ${70P_{1/2}}$, ${70P_{3/2}}$, ${69P_{1/2}}$, and ${69P_{3/2}}$ states, modifying the probe-transmission spectrum. Probe transmission is recorded over a 800 MHz range of coupling laser detunings. These EIT spectra are measured for RF frequencies from 9 to 13.5 GHz and over a 40 dB range of RF power. We analyze the RF induced splittings in the recorded EIT spectra. We observe both limiting cases, where the EIT peak separation is either dominated by the RF detuning or by the RF power. At higher powers we are also able to observe complex features due to coupling of multiple nearby Rydberg states. We further analyze the probe-transmission signal at zero coupling-laser detuning. Sigmoidal fits to the power-response curves are used to determine the midpoint power and the 10-90% transition interval as functions of RF frequency.
发表机构
- Jožef Stefan Institute（约瑟夫·斯特凡研究所）
- Faculty of Mathematics and Physics, University of Ljubljana（卢布尔雅那大学数学与物理学院）
- Atom Quantum Labs（原子量子实验室）
机构由 AI 辅助整理，请以论文原文为准。
