Power Stability of a Semiconductor Laser Used in Atomic Clocks

Shuhong ZHANG; Peter YUN; Tao YANG; Qiang HAO; Xin WANG

doi:10.3788/gzxb20215009.0914002

Journals >Acta Photonica Sinica >Volume 50 >Issue 9 >Page 0914002 > Article

Acta Photonica Sinica
Vol. 50, Issue 9, 0914002 (2021)

Power Stability of a Semiconductor Laser Used in Atomic Clocks

Shuhong ZHANG^1、2, Peter YUN², Tao YANG¹, Qiang HAO², and Xin WANG^2、*

Author Affiliations

¹Institute of Modern Physics，School of Physics Northwest University， Northwest University， Xi'an70027， China

²National Time Service Center of Chinese Academy of Sciences， Xi'an710600， China

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DOI: 10.3788/gzxb20215009.0914002 Cite this Article

Shuhong ZHANG, Peter YUN, Tao YANG, Qiang HAO, Xin WANG. Power Stability of a Semiconductor Laser Used in Atomic Clocks[J]. Acta Photonica Sinica, 2021, 50(9): 0914002 Copy Citation Text

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Fig. 1. Experimental setup for laser power locking

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Fig. 2. Power stability circuit schematic diagram and PCB physical diagram

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Fig. 3. Comparison of the relative voltage noise of three voltage reference chips

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Fig. 4. Analysis of noise before and after laser power locking

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Fig. 5. Time domain diagram and Allen deviation of laser power stability before and after feedback

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Shuhong ZHANG, Peter YUN, Tao YANG, Qiang HAO, Xin WANG. Power Stability of a Semiconductor Laser Used in Atomic Clocks[J]. Acta Photonica Sinica, 2021, 50(9): 0914002

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