SPATIO-TEMPORAL DYNAMICS OF FIBER LASER SYSTEMS (REVIEW)
D. V. Churkin1, S. K. Khorev2, I. D. Vatnik1,3
1Novosibirsk State University, ul. Pirogova 2, Novosibirsk, 630090 Russia
2Zecotek Photonics, Inc., 1120-21331 Gordon Way, Richmond, BC, V6W 1J9 Canada
3Institute of Automation and Electrometry, Siberian Branch, Russian Academy of Sciences, prosp. Akademika Koptyuga 1, Novosibirsk, 630090 Russia
Keywords: оптическое гетеродинирование, временнГЎя динамика, экстремальные события, солитоны, интенсивность генерации, optical heterodyning, temporal dynamics, extreme events, solitons, generation intensity
Abstract
This paper presents a new concept for studying the spatio-temporal modes of laser generation in which several time scales coexist in the emission (one of which is related to the resonator round-trip time). The essence of the concept is that the time dependence of the intensity is investigated in two dimensions, one of which corresponds to the evolution over sequential resonator round-trips. It is shown that fiber lasers of various types, e.g., quasicontinuous lasers and passive and active mode locked pulsed lasers, has a diversity of spatio-temporal generation modes. The possibility of experimental detection of localized structures, including solitons, in fiber laser radiation is demonstrated. The prospects of the proposed approach are discussed.
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