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Jirauschek C, Okeil H, Lugli P. Monte Carlo analysis of the terahertz difference frequency generation susceptibility in quantum cascade laser structures. Opt Express. 2015;23(2):1670-8doi: 10.1364/OE.23.001670.
Jirauschek, C., Okeil, H., & Lugli, P. (2015). Monte Carlo analysis of the terahertz difference frequency generation susceptibility in quantum cascade laser structures. Optics express, 23(2), 1670-8. https://doi.org/10.1364/OE.23.001670
Jirauschek, Christian, et al. "Monte Carlo analysis of the terahertz difference frequency generation susceptibility in quantum cascade laser structures." Optics express vol. 23,2 (2015): 1670-8. doi: https://doi.org/10.1364/OE.23.001670
Jirauschek C, Okeil H, Lugli P. Monte Carlo analysis of the terahertz difference frequency generation susceptibility in quantum cascade laser structures. Opt Express. 2015 Jan 26;23(2):1670-8. doi: 10.1364/OE.23.001670. PMID: 25835923.
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Opt Express. 2015 Jan 26;23(2):1670-8. doi: 10.1364/OE.23.001670.

Monte Carlo analysis of the terahertz difference frequency generation susceptibility in quantum cascade laser structures.

Optics express

Christian Jirauschek, Hesham Okeil, Paolo Lugli

PMID: 25835923 DOI: 10.1364/OE.23.001670

Abstract

Based on self-consistent ensemble Monte Carlo simulations coupled to the optical field dynamics, we investigate the giant nonlinear susceptibility giving rise to terahertz difference frequency generation in quantum cascade laser structures. Specifically, the dependence on temperature, bias voltage and frequency is considered. It is shown that the optical nonlinearity is temperature insensitive and covers a broad spectral range, as required for widely tunable room temperature terahertz sources. The obtained results are consistent with available experimental data.

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