Counterpropagating light in ring resonators : switching fronts, plateaus, and oscillations

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Campbell, Graeme N. and Shuangyou, Zhang and Del Bino, Leonardo and Del’Haye, Pascal and Oppo, Gian-Luca (2022) Counterpropagating light in ring resonators : switching fronts, plateaus, and oscillations. Physical Review A, 106 (4). 043507. ISSN 2469-9926 (https://doi.org/10.1103/PhysRevA.106.043507)

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Abstract

We characterize the formation of robust stationary states formed by light plateaus separated by two local switching fronts in only one of two counterpropagating fields in ring resonators with normal dispersion. Such states are due to global cross coupling and allow for frequency combs to switch from one field to the other by simply tuning the input laser frequency. Exact expressions for the distance between fronts and for plateau powers are provided in excellent agreement with simulations. These demonstrate an unusual high degree of control over pulse and plateau duration in one of the fields upon changes of one of the input laser frequencies. We identify a wide parameter region in which light plateaus are self-starting and are the only stable solution. For certain values of the detunings we find multistable states of plateaus with switching fronts, slowly oscillating homogeneous states and nonoscillating homogeneous states of the counterpropagating fields. Robustness and multistability of these unusual single-field front solutions are provided in parameter ranges that are experimentally achievable in a wide variety of ring resonators.

ORCID iDs

Campbell, Graeme N., Shuangyou, Zhang, Del Bino, Leonardo, Del’Haye, Pascal and Oppo, Gian-Luca ORCID logoORCID: https://orcid.org/0000-0002-5376-4309;
  • Item type:Article
    ID code:83175
    Dates:
    Date
    Event
    10 October 2022
    Published
    19 September 2022
    Accepted
    1 April 2022
    Submitted
    Subjects:Science > Physics
    Department:Faculty of Science > Physics
    Depositing user: Pure Administrator
    Date deposited:14 Nov 2022 10:48
    Last modified:17 Dec 2024 01:27
    Related URLs:
    URI:https://strathprints.strath.ac.uk/id/eprint/83175
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