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Proceedings Paper

Active mode locking: Is everything clear?
Author(s): Alexander A. Apolonski; V. Yakovlev
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Paper Abstract

Active mode-locking itself provides pulses not shorter than picoseconds. Nevertheless, this regime is useful for many laser systems including powerful ones where strict synchronization with external periodic signal is needed. Another growing field where active mode-locking is widely used is fiber laser systems. 30 years passed since D. Kuizenga and A. Siegman (K-S) developed their (present well- known) theoretical model for active mode-locking. Hence many other models have been published, all of them (including K- S) are not completely adequate for the real laser systems. That conclusion was pointed out by one of the authors for the gas, dye and solid-state lasers and presented in many publications and conference papers. In this paper we present results of successful numerical modeling for the mode-locked Ar-ion laser, which are in qualitative agreement with the experiment. Disagreement of the known models (or not revealed stuff from them) with the experiment can be formulated in such common items: (1) an optimum pulse position inside the temporal mode-locker window: dependence on the gain, mode-locker parameters; (2) phase characteristics (pulse position inside the mode-locker window); and (3) pulse amplitude and duration versus the mode-locker parameters.

Paper Details

Date Published: 12 March 2001
PDF: 10 pages
Proc. SPIE 4352, Laser Optics 2000: Ultrafast Optics and Superstrong Laser Fields, (12 March 2001); doi: 10.1117/12.418811
Show Author Affiliations
Alexander A. Apolonski, Institute of Automation and Electrometry and Technische Univ. Wien (Austria)
V. Yakovlev, Institute of Automation and Electrometry and Technische Univ. Wien (Austria)


Published in SPIE Proceedings Vol. 4352:
Laser Optics 2000: Ultrafast Optics and Superstrong Laser Fields
Alexander A. Andreev; Vladimir E. Yashin, Editor(s)

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