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This research seeks to understand how engineered spatial coherence in pump beams affects second-harmonic generation.

May 24, 2026Journal of Nonlinear Optical Physics & Materials

Second-harmonic generation driven by beams with engineered two-dimensional spatial coherence

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This research seeks to understand how engineered spatial coherence in pump beams affects second-harmonic generation.
Analyzed multi-Gaussian correlated Schell-model beam for second-harmonic generation.
Derived analytical cross-spectral density for the generated second-harmonic field.
Evaluated focusing characteristics and intensity self-shaping based on beam parameters.
Increased intensity self-shaping observed with higher beam orders and reduced coherence widths.
Coherence structuring substantially enhances intensity redistribution in the second-harmonic field.
Flat-top shaping effect significantly improved with extended nonlinear crystal lengths.

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Implication

Theoretical investigation demonstrates enhanced second-harmonic generation in nonlinear crystals using structured beams, indicating new insights for optics.

Cite This Study

Lin et al. (2026) studied this question.

synapsesocial.com/papers/6a12960648a0ea16656726ce https://doi.org/10.1142/s021886352650030x

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Implication

Theoretical investigation demonstrates enhanced second-harmonic generation in nonlinear crystals using structured beams, indicating new insights for optics.

Second-harmonic generation driven by beams with engineered two-dimensional spatial coherence

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Discussion

Implication

Cite This Study

Second-harmonic generation driven by beams with engineered two-dimensional spatial coherence

Key Points

Discussion

Implication

Cite This Study

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