All-optical control of unipolar pulse generation in a resonant medium with nonlinear field coupling
arXiv:1610.01529 · doi:10.1103/PhysRevA.95.013804
Abstract
We study optical response of a resonant medium possessing nonlinear coupling to external field driven by a few-cycle pump pulse sequence. We demonstrate the possibility to directly produce unipolar half-cycle pulses from the medium possessing an arbitrary nonlinearity, by choosing the proper pulse-to-pulse distance of the pump pulses in the sequence. We examine the various ways of the shaping of the medium response using different geometrical configurations of nonlinear oscillators and different wavefront shapes for the excitation pulse sequence. Our approach defines a general framework to produce unipolar pulses of controllable form.
arXiv comment9 pages, 9 figures
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- Coherently controlled generation of single-cycle terahertz pulses from thin layer of nonlinear medium with low-frequency resonances
- Asymptotic dynamics of three-dimensional bipolar ultrashort electromagnetic pulses in an array of semiconductor carbon nanotubes
- Disordered resonant media: Self-induced transparency versus light localization
- All-optical transmission modulation due to inelastic interactions of ultrashort pulses in a disordered resonant medium