Distributed Kerr-lens mode locking based on spatiotemporal dissipative solitons in multimode fiber lasers

Vladimir L. Kalashnikov, Stefan Wabnitz

Результат исследования: Научные публикации в периодических изданияхстатьярецензирование

5 Цитирования (Scopus)

Аннотация

We introduce a mechanism of stable spatiotemporal soliton formation in a multimode fiber laser. This is based on spatially graded dissipation, leading to distributed Kerr-lens mode locking. Our analysis involves solutions of a generalized dissipative Gross-Pitaevskii equation. This equation has a broad range of applications in nonlinear physics, including nonlinear optics, spatiotemporal pattern formation, plasma dynamics, and Bose-Einstein condensates. We demonstrate that the careful control of dissipative and nondissipative physical mechanisms results in the self-emergence of stable (2+1)-dimensional dissipative solitons. Achieving such a regime does not require the presence of any additional dissipative nonlinearities, such as a mode locker in a laser, or inelastic scattering in a Bose-Einstein condensate. Our method allows for stable energy (or "mass") harvesting by coherent localized structures, such as ultrashort laser pulses or Bose-Einstein condensates.

Язык оригиналаанглийский
Номер статьи023508
Число страниц11
ЖурналPhysical Review A
Том102
Номер выпуска2
DOI
СостояниеОпубликовано - 6 авг 2020

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