Dynamics of self-pumped double PC mirrors based on photorefractive nonlinearity

Dynamics of self-pumped double PC mirrors based on photorefractive nonlinearity

It is shown that apart from a dynamic hologram formed in the self-crossing region of input beams [the first phase-conjugation (PC) channel] in a single-crystal double PC mirror, additional refractive-index gratings spontaneously develop, which form the second PC channel with the interaction geometry...

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Veröffentlicht in:Quantum electronics (Woodbury, N.Y.) N.Y.), 2004-05, Vol.34 (5), p.467-472, Article 467
Hauptverfasser: Voronov, Aleksandr V, Shuvalov, Vladimir V
Format: Artikel
Sprache:eng
Schlagworte:
BEAMS
CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS
CRYSTALS
EFFICIENCY
GRATINGS
HOLOGRAPHY
MIRRORS
MONOCRYSTALS
NONLINEAR PROBLEMS
OPTICAL PROPERTIES
PHYSICAL PROPERTIES
QUASI PARTICLES
REFRACTIVE INDEX
SOLITONS
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Beschreibung
Zusammenfassung:It is shown that apart from a dynamic hologram formed in the self-crossing region of input beams [the first phase-conjugation (PC) channel] in a single-crystal double PC mirror, additional refractive-index gratings spontaneously develop, which form the second PC channel with the interaction geometry typical of two-crystal PC mirrors. The competition between these channels leads to a complicated spatiotemporal dynamics of generated nonlinear waves. Depending on the experimental conditions, PC with the efficiency of up to 70 % - 80 % is possible and dynamic structures can be formed from thin soliton-like filaments. (nonlinear optical phenomena)
ISSN:1063-7818
1468-4799
DOI:10.1070/QE2004v034n05ABEH002705