Stimulated terahertz emission due to electronic Raman scattering in silicon

Stimulated electronic x-ray Raman scattering.

We demonstrate strong stimulated inelastic x-ray scattering by resonantly exciting a dense gas target of neon with femtosecond, high-intensity x-ray pulses from an x-ray free-electron laser (XFEL). A small number of lower energy XFEL seed photons drive an avalanche of stimulated resonant inelastic x-ray scattering processes that amplify the Raman scattering signal by several orders of magnitude...

Terahertz Stimulated Emission from Silicon Doped by Hydrogenlike Acceptors

Stimulated Raman Scattering in Silicon Coupled Photonic Crystal Microcavity Arrays

Statutory Declaration I hereby declare that this thesis is a result of my own work and that no other than the indicated references and resources have been used for its completion. Acknowledgements First, I am most grateful to my supervisors, Professor Ulrich Lemmer and Dr. Martina Gerken at the Universität Karlsruhe as well as Professor Jelena Vučković at Stanford University. Uli and Martina ha...

Sideward Stimulated Raman Scattering

The SRS of a short laser pulse is important in the contexts of particle acceleration2 and inertial confinement fusion.3,4 In previous studies of the spatiotemporal evolution of SRS,5–13 the Stokes waves were allowed to pass freely through the pulse boundaries. However, the radial ponderomotive force associated with the pulse can expel plasma from the neighborhood of the pulse axis, in which cas...

Self Phase Modulation and Stimulated Raman Scattering due to High Power Femtosecond Pulse Propagation in Silicon-on-Insulator Waveguides

Self Phase Modulation (SPM) and Stimulated Raman Scattering (SRS) in silicon waveguides have been observed and will be discussed theoretically using a modified Nonlinear Schrödinger Equation. The high optical peak powers needed for the experiments were obtained by coupling sub-picosecond (200fs) transform limited pulses with a spectral width of 12nm into a single mode silicon waveguide. Spectra...