Based on the Rydberg cascade electromagnetically induced transparency,we propose a simultaneous dual-wavelength locking method for Rydberg atomic sensing at room temperature.The simplified frequency-locking configurat...Based on the Rydberg cascade electromagnetically induced transparency,we propose a simultaneous dual-wavelength locking method for Rydberg atomic sensing at room temperature.The simplified frequency-locking configuration uses only one signal generator and one electro-optic modulator,realizing real-time feedback for both lasers.We studied the effect of the different probe and coupling laser powers on the error signal.In addition,the Allan variance and a 10 kHz amplitudemodulated signal are introduced to evaluate the performance of the laser frequency stabilization.In principle,the laser frequency stabilization method presented here can be extended to any cascade Rydberg atomic system.展开更多
Based on Autler–Townes splitting and AC Stark shifts,we present a Rydberg atom-based receiver for determining the amplitude modulation(AM)frequency among a wideband carrier range utilizing a cesium atomic vapor cell....Based on Autler–Townes splitting and AC Stark shifts,we present a Rydberg atom-based receiver for determining the amplitude modulation(AM)frequency among a wideband carrier range utilizing a cesium atomic vapor cell.To verify this approach,we measured the signal-to-noise ratio and the data capacity with a 10 kHz AM frequency in the carrier range from 2 GHz to 18 GHz.Without changing the lasers,the working band can be easily extended to a higher range by optimizing the feed antenna and experimental configurations.展开更多
基金supported by the National Natural Science Foundation of China(Nos.61901495 and 12104509)the Scientific Research Project of National University of Defense Technology(Nos.ZK19-20 and ZK20-13)。
文摘Based on the Rydberg cascade electromagnetically induced transparency,we propose a simultaneous dual-wavelength locking method for Rydberg atomic sensing at room temperature.The simplified frequency-locking configuration uses only one signal generator and one electro-optic modulator,realizing real-time feedback for both lasers.We studied the effect of the different probe and coupling laser powers on the error signal.In addition,the Allan variance and a 10 kHz amplitudemodulated signal are introduced to evaluate the performance of the laser frequency stabilization.In principle,the laser frequency stabilization method presented here can be extended to any cascade Rydberg atomic system.
基金This work was supported by the National Natural Science Foundation of China(Nos.12104509 and 61901495).
文摘Based on Autler–Townes splitting and AC Stark shifts,we present a Rydberg atom-based receiver for determining the amplitude modulation(AM)frequency among a wideband carrier range utilizing a cesium atomic vapor cell.To verify this approach,we measured the signal-to-noise ratio and the data capacity with a 10 kHz AM frequency in the carrier range from 2 GHz to 18 GHz.Without changing the lasers,the working band can be easily extended to a higher range by optimizing the feed antenna and experimental configurations.
