Advances of chip-scale atomic clock in Peking University

Zhao, Jianye; Zhang, Yaolin; Lu, Haoyuan; Hou, Dong; Zhang, Shuangyou; Zhong, Wang

doi:10.1109/fcs.2015.7138882

2015 Joint Conference of the IEEE International Frequency Control Symposium &Amp; The European Frequency and Time Forum 2015

DOI: 10.1109/fcs.2015.7138882

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Advances of chip-scale atomic clock in Peking University

Jianye Zhao

Yaolin Zhang

Haoyuan Lu

et al.

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2016

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Chip Scale Atomic Resonator Frequency Stabilization System With Ultra-Low Power Consumption for Optoelectronic Oscillators

Zhao

Zhang

et al. 2016

IEEE Trans. Ultrason., Ferroelect., Freq. Contr.

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We present a long-term chip scale stabilization scheme for optoelectronic oscillators (OEOs) based on a rubidium coherent population trapping (CPT) atomic resonator. By locking a single mode of an OEO to the (85)Rb 3.035-GHz CPT resonance utilizing an improved phase-locked loop (PLL) with a PID regulator, we achieved a chip scale frequency stabilization system for the OEO. The fractional frequency stability of the stabilized OEO by overlapping Allan deviation reaches 6.2 ×10(-11) (1 s) and ∼ 1.45 ×10 (-11) (1000 s). This scheme avoids a decrease in the extra phase noise performance induced by the electronic connection between the OEO and the microwave reference in common injection locking schemes. The total physical package of the stabilization system is [Formula: see text] and the total power consumption is 400 mW, which provides a chip scale and portable frequency stabilization approach with ultra-low power consumption for OEOs.

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Chip Scale Atomic Resonator Frequency Stabilization System With Ultra-Low Power Consumption for Optoelectronic Oscillators

Zhao

Zhang

et al. 2016

IEEE Trans. Ultrason., Ferroelect., Freq. Contr.

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show abstract

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Advances of chip-scale atomic clock in Peking University

Cited by 1 publication

References 8 publications

Chip Scale Atomic Resonator Frequency Stabilization System With Ultra-Low Power Consumption for Optoelectronic Oscillators

Chip Scale Atomic Resonator Frequency Stabilization System With Ultra-Low Power Consumption for Optoelectronic Oscillators

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