TY - GEN
T1 - A Self-driving Rb-Xe Spin Oscillator
AU - Ma, Qianjin
AU - Li, Erwei
AU - Liu, Guobin
N1 - Publisher Copyright:
© 2023 IEEE.
PY - 2023/1/1
Y1 - 2023/1/1
N2 - A self-driving Rb-Xe spin oscillator is demonstrated in theory and experiment. The original photo-detected signal of atom spin oscillation is amplified, phase-shifted and sent back to drive the spins itself coherently. By fine tuning the driving strength and phase, a self-sustaining spin oscillation signal with zero frequency shift is obtained. The effective coherence time is extremely prolonged beyond the intrinsic coherence time of noble gas atomic spins, forming a spin oscillator. Spectral analysis indicates that a frequency resolution of 9 nHz is achieved, which can enhance the sensitivity of magnetic field and angular velocity sensing. Allan deviation analysis shows that the spin oscillator can operate in continuous wave mode like a maser or laser, providing an ideal tool for long term precision measurement physics research.
AB - A self-driving Rb-Xe spin oscillator is demonstrated in theory and experiment. The original photo-detected signal of atom spin oscillation is amplified, phase-shifted and sent back to drive the spins itself coherently. By fine tuning the driving strength and phase, a self-sustaining spin oscillation signal with zero frequency shift is obtained. The effective coherence time is extremely prolonged beyond the intrinsic coherence time of noble gas atomic spins, forming a spin oscillator. Spectral analysis indicates that a frequency resolution of 9 nHz is achieved, which can enhance the sensitivity of magnetic field and angular velocity sensing. Allan deviation analysis shows that the spin oscillator can operate in continuous wave mode like a maser or laser, providing an ideal tool for long term precision measurement physics research.
KW - comagnetometer
KW - coupled Bloch equations
KW - self-driving spin oscillator
UR - http://www.scopus.com/inward/record.url?scp=85175319818&partnerID=8YFLogxK
U2 - 10.1109/EFTF/IFCS57587.2023.10272174
DO - 10.1109/EFTF/IFCS57587.2023.10272174
M3 - Conference contribution
AN - SCOPUS:85175319818
T3 - Proceedings - 2023 Joint Conference of the European Frequency and Time Forum and IEEE International Frequency Control Symposium, EFTF/IFCS 2023
BT - Proceedings - 2023 Joint Conference of the European Frequency and Time Forum and IEEE International Frequency Control Symposium, EFTF/IFCS 2023
PB - Institute of Electrical and Electronics Engineers
T2 - 2023 Joint Conference of the European Frequency and Time Forum and IEEE International Frequency Control Symposium, EFTF/IFCS 2023
Y2 - 15 May 2023 through 19 May 2023
ER -