Time Delay in Thin Dielectric Slabs with Saturable Nonlinearity

• Authors: P. Beličev , I. Ilić , J. Radovanović , V. Milanović , Lj. Hadžievski
• Languages of publication: EN

Abstracts

EN

Time delays for an intense transverse electric wave propagating through a slab with saturable nonlinearity are investigated. The nonlinearity is assumed in a form of the Vinetskii-Kukhtarev model, which is relevant for the slabs made of nonlinear photorefractive crystals, such as GaAs and LiNbO_3, which feature a saturable nonlinearity. The expressions for the group delay and the dwell time are derived and the relation between them is studied. It is shown that the difference between them has three different contributions. The first one corresponds to the self-interference associated with the dispersion of the medium surrounding the slab. The other two appear due to the nonlinearity of the slab and oblique incidence of the transverse electric wave. All the results are compared with the case of dielectric slabs with cubic (Kerr) nonlinearity.

Keywords

EN

03.65.Xp; 41.20.Jb; 42.25.Bs; 42.70.Nq

Discipline

• 03.65.Xp: Tunneling, traversal time, quantum Zeno dynamics
• 41.20.Jb: Electromagnetic wave propagation; radiowave propagation(for light propagation, see 42.25.Bs; for electromagnetic waves in plasma, see 52.35.Hr; for atmospheric, ionospheric, and magnetospheric propagation, see 92.60.Ta, 94.20.Bb, and 94.30.Tz, respectively; see also 94.05.Pt Wave/wave, wave/particle interactions, in space plasma physics)
• 42.25.Bs: Wave propagation, transmission and absorption[see also 41.20.Jb—in electromagnetism; for propagation in atmosphere, see 42.68.Ay; see also 52.40.Db Electromagnetic (nonlaser) radiation interactions with plasma and 52.38-r Laser-plasma interactions—in plasma physics]
• 42.70.Nq: Other nonlinear optical materials; photorefractive and semiconductor materials

• Journal: Acta Physica Polonica A
• Year: 2009
• Volume: 115
• Issue: 4
• Pages: 834-837

Dates

published

2009-04

Contributors

author

P. Beličev

• Vinca Institute of Nuclear Sciences, Atomic Physics Laboratory, Mike Petrovića Alasa 12-14, P.O. Box 522, 11001 Belgrade, Serbia

author

I. Ilić

• Vinca Institute of Nuclear Sciences, Atomic Physics Laboratory, Mike Petrovića Alasa 12-14, P.O. Box 522, 11001 Belgrade, Serbia

author

J. Radovanović

• Faculty of Electrical Engineering, Bulevar kralja Aleksandra 73, 11120 Belgrade, Serbia

author

V. Milanović

• Faculty of Electrical Engineering, Bulevar kralja Aleksandra 73, 11120 Belgrade, Serbia

author

Lj. Hadžievski

• Vinca Institute of Nuclear Sciences, Atomic Physics Laboratory, Mike Petrovića Alasa 12-14, P.O. Box 522, 11001 Belgrade, Serbia

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Identifiers

DOI

10.12693/APhysPolA.115.834