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Kvantovaya Elektronika, 1991, Volume 18, Number 2, Pages 266–268 (Mi qe3765)  

Nonlinear optical phenomena

Laser-induced order–disorder phase transition and second harmonic generation with a threshold in fiber waveguides

V. I. Emel'yanov, A. B. Taeshnikov
Abstract: A mechanism is proposed of optical second harmonic generation in centrosymmetric media, which has a threshold and is an efficient process. It is assumed that a light-induced phase transition occurs in a system of centers with constant dipole moments interacting via a strong effective Lorentz field and a lattice displacement field, as well as a field representing reemission at the second harmonic frequency. The proposed mechanism accounts for the main results of experimental investigations of second harmonic generation in centrosymmetric fiber waveguides.
Received: 13.04.1990
English version:
Soviet Journal of Quantum Electronics, 1991, Volume 21, Issue 2, Pages 236–238
DOI: https://doi.org/10.1070/QE1991v021n02ABEH003765
Bibliographic databases:
Document Type: Article
UDC: 621.373.826:681.7.D68
PACS: 42.81.Qb, 42.65.Ky, 42.65.An, 61.80.Ba
Language: Russian


Citation: V. I. Emel'yanov, A. B. Taeshnikov, “Laser-induced order–disorder phase transition and second harmonic generation with a threshold in fiber waveguides”, Kvantovaya Elektronika, 18:2 (1991), 266–268 [Sov J Quantum Electron, 21:2 (1991), 236–238]
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    Квантовая электроника Quantum Electronics
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