Theoretical Study on Dual-Comb Generation and Soliton Trapping in a Single Microresonator with Orthogonally Polarized Dual Pumping

Ryo Suzuki, Shun Fujii, Atsuhiro Hori, Takasumi Tanabe

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

Microresonator-based optical frequency combs (known as microcombs or Kerr combs) have a large repetition frequency ranging typically from 10 to 1000 GHz, which is compatible with fast-scanning applications, including dual-comb spectroscopy and LiDAR. In this research, we numerically study dual-comb generation and soliton trapping in a single microresonator, whose two transverse modes are excited with orthogonally polarized dual pumping. The simulation model is described by using coupled Lugiato-Lefever equations (LLEs), which take account of cross-phase modulation and the difference in repetition frequencies. The numerical simulation calculates the dual-comb formation in a microresonator, whose microcombs propagate as soliton pulses and cause soliton trapping depending on the parameters. In the simulation, a trapped soliton is seeded by one of the original solitons in two transverse modes. In addition, we introduce an analytical solution for trapped solitons in coupled LLEs using a Lagrangian perturbation approach and clarify the relation between the parameters. Revealing the conditions of dual-comb soliton generation and soliton trapping is helpful in terms of optimizing the conditions for causing or avoiding these phenomena.

Original languageEnglish
Article number6100511
JournalIEEE Photonics Journal
Volume11
Issue number1
DOIs
Publication statusPublished - 2019 Feb 1

Fingerprint

Solitons
pumping
solitary waves
trapping
repetition
simulation
Phase modulation
phase modulation
Spectroscopy
Scanning
perturbation
scanning
causes
Computer simulation
pulses
spectroscopy

Keywords

  • dissipative Kerr soliton
  • dual-comb
  • Kerr comb
  • Lugiato-Lefever equation
  • microcavity
  • microcomb
  • Microresonator
  • soliton trapping

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics
  • Electrical and Electronic Engineering

Cite this

Theoretical Study on Dual-Comb Generation and Soliton Trapping in a Single Microresonator with Orthogonally Polarized Dual Pumping. / Suzuki, Ryo; Fujii, Shun; Hori, Atsuhiro; Tanabe, Takasumi.

In: IEEE Photonics Journal, Vol. 11, No. 1, 6100511, 01.02.2019.

Research output: Contribution to journalArticle

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