Locked entropy in partially coherent optical fields

Harling, Mitchell; Kelkar, Varun A.; Toussaint, Kimani C.; Abouraddy, Ayman F.

doi:10.1103/physreva.109.l021501

Phys. Rev. A

2024

DOI: 10.1103/physreva.109.l021501

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Locked entropy in partially coherent optical fields

Mitchell Harling,

Varun A. Kelkar,

Kimani C. Toussaint

et al.

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2024

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Cited by 2 publications

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Isoentropic partially coherent optical fields that cannot be interconverted unitarily

Harling,

Kelkar,

Toussaint

et al. 2024

Phys. Rev. A

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Isoentropic partially coherent optical fields that cannot be interconverted unitarily

Harling,

Kelkar,

Toussaint

et al. 2024

Phys. Rev. A

View full text Add to dashboard Cite

Coherence entropy during propagation through complex media

Lu,

Wang,

Zhan

et al. 2024

Adv. Photon.

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The deformation, flicker, and drift of a light field owing to complex media such as a turbulent atmosphere have limited its practical applications. Thus, research on invariants in randomly fluctuated light fields has garnered considerable attention in recent years. Coherence is a statistical property of light, while its full and quantitative characterization is challenging. Herein, we successfully realize the orthogonal modal decomposition of partially coherent beams and introduce the application of coherence entropy as a global coherence characteristic of such randomly fluctuated light fields. It is demonstrated that coherence entropy remains consistent during propagation in a unitary system by unraveling complex channels. As representative examples, we study the robustness of coherence entropy for partially coherent beams as they propagate through deformed optical systems and turbulent media. Coherence entropy is anticipated to serve as a key metric for evaluating the propagation of partially coherent beams in complex channels. This study paves the way for a broader application scope of a customized low-coherence light field through nonideal optical systems and complex media.

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Locked entropy in partially coherent optical fields

Cited by 2 publications

References 47 publications

Isoentropic partially coherent optical fields that cannot be interconverted unitarily

Isoentropic partially coherent optical fields that cannot be interconverted unitarily

Coherence entropy during propagation through complex media

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