Two-dimensional bound states of ultrashort light pulses and polarisation of light in ferroelectric impurity crystals

Journal Article · Thu May 31 00:00:00 EDT 2007 · Quantum Electronics (Woodbury, N.Y.)

DOI:https://doi.org/10.1070/QE2007V037N05ABEH013204· OSTI ID:21466667

Sasov, A S; Belonenko, M B ^[1]; Demushkina, E V ^[2]

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1. Volgograd State University of Architecture and Civil Engineering (VolgGASU) (Russian Federation)
2. Volgograd State University, Volgograd (Russian Federation)

The polarisation evolution of a ferroelectric crystal after its illumination by ultrashort laser pulses is described theoretically and numerically by using the microscopic pseudospin formalism. Parameters are found for which quasi-two-dimensional long-lived states can exist in ferroelectrics. For different initial conditions, the dynamics of bound states of the electromagnetic field and polarisation of the crystal is presented and properties of ferroelectrics with impurities and without them are compared. (nonlinear optical phenomena)

• OSTI ID: 21466667
• Journal Information: Quantum Electronics (Woodbury, N.Y.), Vol. 37, Issue 5; Other Information: DOI: 10.1070/QE2007v037n05ABEH013204; ISSN 1063-7818
• Country of Publication: United States
• Language: English

Related Subjects

75 CONDENSED MATTER PHYSICS
SUPERCONDUCTIVITY AND SUPERFLUIDITY
74 ATOMIC AND MOLECULAR PHYSICS
BOUND STATE
CRYSTAL DEFECTS
CRYSTALS
ELECTROMAGNETIC FIELDS
FERROELECTRIC MATERIALS
ILLUMINANCE
LASER RADIATION
POLARIZATION
PULSES
TWO-DIMENSIONAL CALCULATIONS
VISIBLE RADIATION
CRYSTAL STRUCTURE
DIELECTRIC MATERIALS
ELECTROMAGNETIC RADIATION
MATERIALS
RADIATIONS