Synchronous-asynchronous laser mode-locking transition

Shang-Ying Wu, Wei-Wei Hsiang, and Yinchieh Lai
Phys. Rev. A 92, 013848 – Published 27 July 2015

Abstract

Synchronous-asynchronous mode-locking transition in a hybrid active and passive mode-locked laser is investigated theoretically. Three distinct mode-locking states are found and their transition diagram under varying detuning frequency and modulation strength is determined. By examining the steady-state lasing gain as a function of the detuning modulation frequency, we also clarify why the laser will become unstable near the transition points and why the nonlinear saturable absorption effect is crucial for the stable asynchronous mode-locking operation.

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  • Received 6 May 2015

DOI:https://doi.org/10.1103/PhysRevA.92.013848

©2015 American Physical Society

Authors & Affiliations

Shang-Ying Wu1,*, Wei-Wei Hsiang2, and Yinchieh Lai1,3,†

  • 1Department of Photonics and Institute of Electro-Optical Engineering, National Chiao-Tung University, Hsinchu, Taiwan
  • 2Department of Physics, Fu Jen Catholic University, Taipei, Taiwan
  • 3Research Center for Applied Sciences, Academia Sinica, Taipei, Taiwan

  • *sywu123.eo99g@nctu.edu.tw
  • yclai@mail.nctu.edu.tw

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Vol. 92, Iss. 1 — July 2015

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