Coherent quantum control of two-photon transitions by a femtosecond laser pulse

Article Abstract:

Coherent quantum control is a method of influencing the outcome of a quantum-mechanical interaction. Two-photon transitions in caesium were controlled by using ultrashort pulse-shaping techniques to tailor a femtosecond laser pulse.The cancellation of the transitions is due to destructive quantum interference. Extensive modifications to the pulse shape can be made without having an affect on the two-photon transition probability.

Usage, Observations, Quantum theory, Quantum mechanics, Coherent states

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Discretizing light behaviour in linear and nonlinear waveguide lattices

Article Abstract:

The authors review the publications on light propagation in linear and nonlinear waveguide lattices. The topics include the analysis of linear diffraction properties of waveguide arrays, photonic Bloch oscillations, and solution navigation in waveguide array network.

Israel, Germany, Physiological aspects, Photons, Light, Diffraction, Oscillation, Oscillations, Properties, Solitons, Waves

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Quantum control with a twist

Article Abstract:

Linearly polarized laser pulses could move atoms along one axis only. The shape and state of laser pulses can now be changed in a few famtoseconds and molecules and atoms can be manipulated.

Science & research, Molecular dynamics, Atomic properties, Polarized beams (Nuclear physics)

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