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Investigate how spectral and temporal coherence properties evolve when a partially coherent Gaussian Schell-model pulse train propagates through a second-harmonic generating crystal.

December 7, 2021Journal of OpticsOpen Access

Partial spectral and temporal coherence of plane-wave pulse trains in second-harmonic generation

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Investigate how spectral and temporal coherence properties evolve when a partially coherent Gaussian Schell-model pulse train propagates through a second-harmonic generating crystal.
Modeled the transmission of a scalar, plane-wave Gaussian Schell-model (GSM) pulse train through a slab of nonlinear optical crystal.
Calculated temporal and spectral degrees of coherence and intensity profiles for both the fundamental and second-harmonic fields at the exit facet.
Nonlinear optical interactions cause the temporal and spectral degrees of coherence of both fundamental and second-harmonic pulse trains to deviate markedly from the Gaussian Schell-model.
Global degree of coherence of the generated second-harmonic wave decreases as incident fundamental beam intensity increases.
Partial coherence in the incident beam induces an unexpected double-peaked intensity distribution in the transmitted second-harmonic wave.

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Implication

Theoretical analysis reveals coherence loss and double-peaked intensity profiles in second-harmonic pulse trains, indicating nonlinear distortion of partially coherent optical fields.

Cite This Study

Pesonen et al. (2021) studied this question.

synapsesocial.com/papers/6a77b871d3a6aa87c6bde970 https://doi.org/10.1088/2040-8986/ac3f94

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Implication

Theoretical analysis reveals coherence loss and double-peaked intensity profiles in second-harmonic pulse trains, indicating nonlinear distortion of partially coherent optical fields.

Partial spectral and temporal coherence of plane-wave pulse trains in second-harmonic generation

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Discussion

Implication

Cite This Study

Partial spectral and temporal coherence of plane-wave pulse trains in second-harmonic generation

Key Points

Discussion

Implication

Cite This Study

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