Dynamics of ultrashort-pulse generation by Raman fiber lasers: cascade self-mode locking, optical pulsons, and solitons
Journal Article
·
· Opt. Lett.; (United States)
The dynamics of ultrashort-pulse generation in Raman fiber lasers is numerically investigated. The regime of cascade self-mode locking in the process of generation of higher-order Stokes components as well as formation of ultrashort solitary pulses with a high contrast of radiation are described. The generation of optical solitons at the Stokes frequency is shown to be the result of a cooperative effect of self-phase modulation, negative group-velociy dispersion, and distributed stimulated Raman scattering. In the same way we explain the formation of pulses with regularly pulsating amplitude and frequency modulation; we call these optical pulsons.
- Research Organization:
- General Physics Institute, Academy of Sciences of the USSR, Vavilov Street, 38, 117942, Moscow, USSR
- OSTI ID:
- 6113628
- Journal Information:
- Opt. Lett.; (United States), Vol. 11:3
- Country of Publication:
- United States
- Language:
- English
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