Solitons and related periodic pulse evolutions in a femtosecond ring dye laser

The generation of solitons and other related periodic pulse evolutions in a passively mode-locked dye laser is controlled by adjustment of group velocity dispersion, self-phase modulation, and spectral filtering. Without spectral filtering, periodic pulse evolutions reminiscent of higher-order solit...

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Bibliographic Details
Published in:IEEE journal of quantum electronics 1989-12, Vol.25 (12), p.2476-2484
Main Authors: Nighan, W.L., Gong, T., Fauchet, P.M.
Format: Article
Language:English
Subjects:
426002 - Engineering- Lasers & Masers- (1990-)
BEAM SHAPING
CONTROL
DIFFERENTIAL EQUATIONS
DISPERSION RELATIONS
DYE LASERS
ELECTRONIC EQUIPMENT
ENGINEERING
EQUATIONS
Exact sciences and technology
Filtering
FILTERS
FUNCTION GENERATORS
Fundamental areas of phenomenology (including applications)
Laser mode locking
LASERS
LIQUID LASERS
MODE CONTROL
NONLINEAR PROBLEMS
Optical control
OPTICAL FILTERS
Optical pulse generation
Optics
PARTIAL DIFFERENTIAL EQUATIONS
Physics
PULSE GENERATORS
Pulse modulation
Pulse shaping methods
PULSES
QUASI PARTICLES
Schrodinger equation
SCHROEDINGER EQUATION
SOLITONS
Velocity control
WAVE EQUATIONS
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Description
Summary:The generation of solitons and other related periodic pulse evolutions in a passively mode-locked dye laser is controlled by adjustment of group velocity dispersion, self-phase modulation, and spectral filtering. Without spectral filtering, periodic pulse evolutions reminiscent of higher-order solitons are observed. The pulses differ from the classic solitons because of additional shaping mechanisms. With spectral filtering, pulses are generated that can be described analytically as true asymmetric N=2 solitons. The introduction of the filter appears to simplify the intracavity shaping mechanisms in such a way that the nonlinear Schrodinger equation becomes a good approximation for pulse generation in the laser. The remarkable stability achieved allows for accurate characterization and control.< >
ISSN:0018-9197
1558-1713
DOI:10.1109/3.40632