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Título
Nonlinear post-compression in multi-pass cells in the mid-IR region using bulk materials
Autor(es)
Assunto
Four wave mixing
High harmonic generation
Nonlinear effects
Pulse compression
Pulse propagation
Soft x rays
Fecha de publicación
2022-10
Citación
D. Carlson, M. Tanksalvala, D. Morrill, J. San Roman, E. Conejero Jarque, H. C. Kapteyn, M. M. Murnane, and M. Hemmer, "Nonlinear post-compression in multi-pass cells in the mid-IR region using bulk materials," Opt. Lett. 47, 5289-5292 (2022) https://opg.optica.org/ol/abstract.cfm?URI=ol-47-20-5289
Resumen
We numerically investigate the regime of nonlinear pulse compression at mid-IR wavelengths in a multi-pass cell (MPC) containing a dielectric plate. This post-compression setup allows for ionization-free spectral broadening and self-compression while mitigating self-focusing effects. We find that self-compression occurs for a wide range of MPC and pulse parameters and derive scaling rules that enable its optimization. We also reveal the solitonic dynamics of the pulse propagation in the MPC and its limitations and show that spatiotemporal/spectral couplings can be mitigated for appropriately chosen parameters. In addition, we reveal the formation of spectral features akin to quasi-phase matched degenerate four-wave mixing. Finally, we present two case studies of self-compression at 3-μm and 6-μm wavelengths using pulse parameters compatible with driving high-field physics experiments. The simulations presented in this paper set a framework for future experimental work using few-cycle pulses at mid-IR wavelengths.
URI
ISSN
0146-9592
DOI
10.1364/OL.471458
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