Breather Molecular Complexes in a Passively Mode-Locked Fiber Laser

Junsong Peng, Zihan Zhao, Sonia Boscolo, Christophe Finot, Srikanth Sugavanam, Dmitry V. Churkin, Heping Zeng

Результат исследования: Научные публикации в периодических изданияхстатьярецензирование

Аннотация

Breathing solitons are nonlinear waves in which the energy concentrates in a localized and oscillatory fashion. Similarly to stationary solitons, breathers in dissipative systems can form stable bound states displaying molecule-like dynamics, which are frequently called breather molecules. So far, the experimental observation of optical breather molecules and the real-time detection of their dynamics are limited to diatomic molecules, that is, bound states of only two breathers. In this work, the observation of different types of breather complexes in a mode-locked fiber laser: multibreather molecules, and molecular complexes originating from the binding of two breather-pair molecules or a breather pair molecule and a single breather is reported. The intermolecular temporal separation of the molecular complexes attains several hundreds of picoseconds, which is more than an order of magnitude larger than that of their stationary soliton counterparts and is a signature of long-range interactions. Numerical simulations of the laser model support the experimental findings. Moreover, nonequilibrium dynamics of breathing solitons are also observed, including breather collisions and annihilation. This work opens the possibility of studying the dynamics of many-body systems in which breathers are the elementary constituents.

Язык оригиналаанглийский
Номер статьи2000132
ЖурналLaser and Photonics Reviews
Том15
Номер выпуска7
DOI
СостояниеОпубликовано - июл 2021

Предметные области OECD FOS+WOS

  • 2.05 ТЕХНОЛОГИЯ МАТЕРИАЛОВ
  • 1.03 ФИЗИЧЕСКИЕ НАУКИ И АСТРОНОМИЯ
  • 1.03.SY ОПТИКА
  • 1.03.UB ФИЗИКА, ПРИКЛАДНАЯ
  • 1.03.UK ФИЗИКА КОНДЕНСИРОВАННОГО СОСТОЯНИЯ

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