Effective cubic nonlinearity, photoinduced anisotropy, and elliptically polarised cnoidal waves upon frequency doubling

Journal Article · Thu Dec 31 00:00:00 EST 2009 · Quantum Electronics (Woodbury, N.Y.)

DOI:https://doi.org/10.1070/QE2009V039N12ABEH014146· OSTI ID:21467061

Petnikova, V M; Shuvalov, Vladimir V ^[1]

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1. International Laser Center, M. V. Lomonosov Moscow State University, Moscow (Russian Federation)

The peculiarities of the effective cubic nonlinearity are analysed upon second harmonic generation in a medium with a quadratic nonlinearity. It is shown that in this case, the polarisation state of the pump wave changes during its propagation due to additional effective photoinduced anisotropy of propagation constants of two orthogonally polarised pump components. Depending on the initial conditions, either an elliptically polarised cnoidal wave is produced (the polarisation state of pump radiation periodically changes from linear to elliptic and vice versa) or a passage occurs to an aperiodic polarisation 'chaos'. (nonlinear optical phenomena)

• OSTI ID: 21467061
• Journal Information: Quantum Electronics (Woodbury, N.Y.), Vol. 39, Issue 12; Other Information: DOI: 10.1070/QE2009v039n12ABEH014146; ISSN 1063-7818
• Country of Publication: United States
• Language: English

Related Subjects

71 CLASSICAL AND QUANTUM MECHANICS
GENERAL PHYSICS
ANISOTROPY
CHAOS THEORY
HARMONIC GENERATION
NONLINEAR PROBLEMS
PERIODICITY
POLARIZATION
PUMPING
WAVE PROPAGATION
FREQUENCY MIXING
MATHEMATICS
VARIATIONS