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Measurement of Quantum Interference in a Silicon Ring Resonator Photon Source
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Adaptive cuckoo search-based fitting method for atomic gravimeter interference fringes.

Yujuan Liu1, Aoxing Hao1, Biao Tang2

  • 1College of Instrumentation and Electrical Engineering, Jilin University, Changchun, China.

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|December 9, 2025
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Summary
This summary is machine-generated.

A new Adaptive Cuckoo Search (ACS) algorithm improves atomic gravimeter fringe fitting accuracy. This method offers a more precise measurement of gravitational acceleration compared to traditional techniques.

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Area of Science:

  • Atomic physics
  • Geophysics
  • Metrology

Background:

  • Atomic gravimeters use atom interferometry for precise gravitational acceleration measurements.
  • Traditional fringe fitting methods (LS, EKF) struggle with noise sensitivity and accuracy.
  • Enhanced fringe fitting is critical for advancing gravitational acceleration measurement precision.

Purpose of the Study:

  • To develop a novel and more accurate fringe fitting algorithm for atomic gravimeters.
  • To overcome the limitations of existing fitting methods in terms of accuracy and stability.
  • To improve the precision of gravitational acceleration measurements.

Main Methods:

  • Proposed an orthogonal-distance-driven Adaptive Cuckoo Search (ACS) algorithm.
  • Integrated dynamic step-size scaling, hybrid Lévy flight, elite disturbance, and nest reset strategies.
  • Validated the ACS algorithm using simulated and experimental atomic gravimeter data.

Main Results:

  • The ACS algorithm demonstrated superior fitting accuracy compared to LS and EKF.
  • ACS processing of experimental data showed a 5.0% lower residual amplitude than LS.
  • ACS processing showed a 28.79% lower residual amplitude than EKF, indicating enhanced precision.

Conclusions:

  • The proposed ACS algorithm effectively enhances atomic gravimeter interference fringe fitting.
  • This method provides a novel framework and solution for precise gravitational acceleration measurement.
  • The improved accuracy has significant implications for geophysics and metrology.