#
Enhancing Phase Measurement by a Factor of Two in the Stokes Correlation^{ †}

^{1}

^{2}

^{*}

^{†}

## Abstract

**:**

## 1. Introduction

## 2. Theory

^{0}is the identity matrix, and σ

^{1}, σ

^{2}, and σ

^{3}are the Pauli spin matrices of a 2 × 2 order. The Stokes fluctuation around the mean value of the SPs is as follows:

_{22}(${r}_{1},{r}_{2}$) and C

_{33}(${r}_{1},{r}_{2}$) are calculated. The real parts of the CPCF are obtained by subtracting C

_{33}(r

_{1,}r

_{2}) from C

_{22}(r

_{1,}r

_{2}) as follows:

## 3. Result and Discussion

## 4. Conclusions

## Author Contributions

## Funding

## Institutional Review Board Statement

## Informed Consent Statement

## Data Availability Statement

## Acknowledgments

## Conflicts of Interest

## References

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**Figure 1.**Schematic representation of proposed method. QWP—quarter wave plate; LP—linear polarizer. The CCD records intensity speckle patterns at the observation plane. These speckle patterns are used to determine two SPs.

**Figure 2.**Simulation results: (

**a**) amplitude distribution and (

**b**) corresponding phase distribution for vortex beam with a charge of l = −1; Experimental results: (

**c**) amplitude distribution and (

**d**) corresponding phase distribution for the vortex beam with l = −1.

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## Share and Cite

**MDPI and ACS Style**

Yadav, A.; Sarkar, T.; Suzuki, T.; Singh, R.K. Enhancing Phase Measurement by a Factor of Two in the Stokes Correlation. *Eng. Proc.* **2023**, *34*, 4.
https://doi.org/10.3390/HMAM2-14273

**AMA Style**

Yadav A, Sarkar T, Suzuki T, Singh RK. Enhancing Phase Measurement by a Factor of Two in the Stokes Correlation. *Engineering Proceedings*. 2023; 34(1):4.
https://doi.org/10.3390/HMAM2-14273

**Chicago/Turabian Style**

Yadav, Amit, Tushar Sarkar, Takamasa Suzuki, and Rakesh Kumar Singh. 2023. "Enhancing Phase Measurement by a Factor of Two in the Stokes Correlation" *Engineering Proceedings* 34, no. 1: 4.
https://doi.org/10.3390/HMAM2-14273