Slow-Light Frequency Combs and Dissipative Kerr Solitons in Coupled-Cavity Waveguides

J.P. Vasco and V. Savona
Phys. Rev. Applied 12, 064065 – Published 31 December 2019
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Abstract

We study Kerr frequency combs and dissipative Kerr solitons in silicon photonic crystal coupled-cavity waveguides (CCWs) with globally optimized dispersion at telecom wavelengths. The corresponding threshold for comb generation is found to explicitly depend on the main CCW figures of merit, namely, the mode volume, the normal-mode quality factor, and the slow-light group index. Our analysis is carried out by solving the nonlinear dynamics of the CCW Bloch modes in the presence of Kerr nonlinearity and two-photon absorption. Our results open the way to CCW comb generation via dispersion engineering and slow-light enhancement.

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  • Received 25 July 2019
  • Revised 28 October 2019

DOI:https://doi.org/10.1103/PhysRevApplied.12.064065

© 2019 American Physical Society

Physics Subject Headings (PhySH)

Nonlinear Dynamics

Authors & Affiliations

J.P. Vasco* and V. Savona

  • Institute of Theoretical Physics, École Polytechnique Fédérale de Lausanne EPFL, CH-1015 Lausanne, Switzerland

  • *juan.vasco@epfl.ch

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Issue

Vol. 12, Iss. 6 — December 2019

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