Generating Octave-Bandwidth Soliton Frequency Combs with Compact Low-Power Semiconductor Lasers

Travis C. Briles, Su-Peng Yu, Tara E. Drake, Jordan R. Stone, and Scott B. Papp
Phys. Rev. Applied 14, 014006 – Published 2 July 2020

Abstract

We report a comprehensive study of low-power octave-bandwidth single-soliton microresonator frequency combs in both the 1550-nm and 1064-nm bands. Our experiments utilize fully integrated silicon-nitride Kerr microresonators and we demonstrate direct soliton generation with widely available distributed-Bragg-reflector lasers that provide less than 40 mW of chip-coupled laser power. We report measurements of soliton thermal dynamics and demonstrate how rapid laser-frequency control, consistent with the thermal time scale of a microresonator, facilitates stabilization of octave-bandwidth soliton combs. Moreover, since soliton combs are completely described by the fundamental linear and nonlinear dynamics of the intraresonator field, we demonstrate the close connection between modeling and generation of octave-bandwidth combs. Our experiments advance the development of self-referenced frequency combs with integrated-photonics technology and comb-laser sources with a tens-of-terahertz pulse bandwidth across the near infrared.

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  • Received 22 January 2020
  • Revised 3 April 2020
  • Accepted 28 April 2020

DOI:https://doi.org/10.1103/PhysRevApplied.14.014006

© 2020 American Physical Society

Physics Subject Headings (PhySH)

Atomic, Molecular & Optical

Authors & Affiliations

Travis C. Briles1,2,*, Su-Peng Yu1,2, Tara E. Drake1,2, Jordan R. Stone1,2, and Scott B. Papp1,2

  • 1Time and Frequency Division, National Institute for Standards and Technology, Boulder, Colorado 80305, USA
  • 2Department of Physics, University of Colorado, Boulder, Colorado 80309, USA

  • *travis.briles@nist.gov

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Vol. 14, Iss. 1 — July 2020

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