Frequency modulated combs as extended nondispersive waves

David Burghoff

doi:10.1117/12.2577855

5 March 2021 Frequency modulated combs as extended nondispersive waves

David Burghoff

Proceedings Volume 11705, Novel In-Plane Semiconductor Lasers XX; 1170510 (2021) https://doi.org/10.1117/12.2577855
Event: SPIE OPTO, 2021, Online Only

Abstract

In certain lasers, frequency combs can form whose output is frequency-modulated (FM) linearly in time. While this result has been replicated numerically, the core physics have remained elusive. By deriving a mean-field theory for lasers analogous to the Lugiato-Lefever equation, we efficiently describe the dynamics of light in nonlinear laser cavities. This equation can be solved analytically with some weak assumptions, simplifying to the nonlinear Schrodinger equation with a phase potential. The phase of its solution is piecewise quadratic in time|an FM comb. Our results apply to nearly any laser and explain the diverse experimental observations.

Conference Presentation

Citation Download Citation

David Burghoff "Frequency modulated combs as extended nondispersive waves", Proc. SPIE 11705, Novel In-Plane Semiconductor Lasers XX, 1170510 (5 March 2021); https://doi.org/10.1117/12.2577855

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