Experimental and numerical investigations of switching wave dynamics in a normally dispersive fibre ring resonator

Bruno Garbin, Yadong Wang, Stuart G. Murdoch, Gian-Luca Oppo, Stéphane Coen, Miro Erkintalo

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

Optical frequency combs generated in normally dispersive Kerr microresonators have been observed to correspond to dark temporal structures, and theoretically explained as interlocked switching waves (also known as domain walls or fronts). The time-domain dynamics that underpin the formation of this type of frequency combs has however so far eluded direct experimental observation. Here we use a closely related system – a synchronously driven optical fibre ring resonator – to experimentally study the dynamics of deterministically excited switching waves. We measure the switching wave velocities across broad parameter regions, and observe clear signatures of interlocking behaviour leading to the formation of persisting dark pulses. Our experimental findings are in good agreement with simulations of the mean-field Lugiato-Lefever equation, and strongly support the nature of normal-dispersion microresonator frequency combs suggested in the literature.
LanguageEnglish
Number of pages8
JournalEuropean Physical Journal D: Atomic, Molecular, Optical and Plasma Physics
Volume71
Issue number9
DOIs
Publication statusPublished - 19 Sep 2017

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resonators
fibers
rings
locking
domain wall
optical fibers
signatures
pulses
simulation

Keywords

  • switching waeforms
  • dark pulses
  • Lugiato-Lefever equation

Cite this

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title = "Experimental and numerical investigations of switching wave dynamics in a normally dispersive fibre ring resonator",
abstract = "Optical frequency combs generated in normally dispersive Kerr microresonators have been observed to correspond to dark temporal structures, and theoretically explained as interlocked switching waves (also known as domain walls or fronts). The time-domain dynamics that underpin the formation of this type of frequency combs has however so far eluded direct experimental observation. Here we use a closely related system – a synchronously driven optical fibre ring resonator – to experimentally study the dynamics of deterministically excited switching waves. We measure the switching wave velocities across broad parameter regions, and observe clear signatures of interlocking behaviour leading to the formation of persisting dark pulses. Our experimental findings are in good agreement with simulations of the mean-field Lugiato-Lefever equation, and strongly support the nature of normal-dispersion microresonator frequency combs suggested in the literature.",
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Experimental and numerical investigations of switching wave dynamics in a normally dispersive fibre ring resonator. / Garbin, Bruno; Wang, Yadong; Murdoch, Stuart G.; Oppo, Gian-Luca; Coen, Stéphane; Erkintalo, Miro.

In: European Physical Journal D: Atomic, Molecular, Optical and Plasma Physics, Vol. 71, No. 9, 19.09.2017.

Research output: Contribution to journalArticle

TY - JOUR

T1 - Experimental and numerical investigations of switching wave dynamics in a normally dispersive fibre ring resonator

AU - Garbin, Bruno

AU - Wang, Yadong

AU - Murdoch, Stuart G.

AU - Oppo, Gian-Luca

AU - Coen, Stéphane

AU - Erkintalo, Miro

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N2 - Optical frequency combs generated in normally dispersive Kerr microresonators have been observed to correspond to dark temporal structures, and theoretically explained as interlocked switching waves (also known as domain walls or fronts). The time-domain dynamics that underpin the formation of this type of frequency combs has however so far eluded direct experimental observation. Here we use a closely related system – a synchronously driven optical fibre ring resonator – to experimentally study the dynamics of deterministically excited switching waves. We measure the switching wave velocities across broad parameter regions, and observe clear signatures of interlocking behaviour leading to the formation of persisting dark pulses. Our experimental findings are in good agreement with simulations of the mean-field Lugiato-Lefever equation, and strongly support the nature of normal-dispersion microresonator frequency combs suggested in the literature.

AB - Optical frequency combs generated in normally dispersive Kerr microresonators have been observed to correspond to dark temporal structures, and theoretically explained as interlocked switching waves (also known as domain walls or fronts). The time-domain dynamics that underpin the formation of this type of frequency combs has however so far eluded direct experimental observation. Here we use a closely related system – a synchronously driven optical fibre ring resonator – to experimentally study the dynamics of deterministically excited switching waves. We measure the switching wave velocities across broad parameter regions, and observe clear signatures of interlocking behaviour leading to the formation of persisting dark pulses. Our experimental findings are in good agreement with simulations of the mean-field Lugiato-Lefever equation, and strongly support the nature of normal-dispersion microresonator frequency combs suggested in the literature.

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KW - Lugiato-Lefever equation

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