Short-Pulse Amplification by Strongly-Coupled Stimulated Brillouin Scattering

TL;DR

This paper investigates the potential of strongly-coupled stimulated Brillouin scattering for plasma-based amplification of ultrashort laser pulses, comparing it to Raman amplification through theoretical and simulation methods.

Contribution

It introduces a detailed analysis of strongly-coupled stimulated Brillouin scattering as a novel mechanism for ultrashort pulse amplification, with comparative insights against Raman amplification.

Findings

Strongly-coupled SBS can effectively amplify sub-picosecond pulses.

Comparison shows advantages of SBS over Raman in certain parameter regimes.

Fluid theory and PIC simulations validate the feasibility of SBS amplification.

Abstract

We examine the feasibility of strongly-coupled stimulated Brillouin scattering as a mechanism for the plasma-based amplification of sub-picosecond pulses. In particular, we use fluid theory and particle-in-cell simulations to compare the relative advantages of Raman and Brillouin amplification over a broad range of achievable parameters.