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December 19, 2025Communications in Theoretical PhysicsOpen Access

Optimized Terahertz Generation in Unmagnetized Plasma with Cubically Chirped Hermite-Cosh-Gaussian Lasers

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Authors

RRRenu RajputJRJyoti Rajput

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Overview

Theoretical investigation shows enhanced terahertz output in plasma, pointing to improved imaging and communication applications.

Key Points

  • To analyze terahertz radiation generation from the interaction of a cubic frequency chirped Hermite-Cosh-Gaussian laser and underdense plasma.
  • Theoretical modeling of terahertz generation through nonlinear interactions.
  • Derivation of analytical expressions for nonlinear current and THz field amplitude.
  • Parametric analysis examining the influence of chirp coefficient, laser intensity, and plasma density.
  • Cubic chirping significantly boosts THz conversion efficiency compared to linear and quadratic chirps.
  • Enhanced THz generation through optimized spatial modes and beam positioning.
  • Best THz output achieved with lower chirp value (b = 0.00099).

Cite This Study

Rajput et al. (2025) studied this question.

synapsesocial.com/papers/69449a892f0218eca95084c0https://doi.org/10.1088/1572-9494/ae2eb9
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