Broadband coherent light generation in diamond driven by femtosecond pulses.
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We demonstrate broadband light generation in diamond pumped by two-color femtosecond laser pulses. We find that phase matching plays a critical role in the output angle and frequency of the generated sidebands. When a third femtosecond probe pulse is applied to the crystal in the boxed Coherent anti-Stokes Raman Scattering geometry, a two-dimensional array of multi-color beams is generated through the Raman, four-wave mixing, and six-wave-mixing processes. We test the mutual coherence between the generated sidebands. Such coherence, maintained over the broad spectrum, opens possibilities for synthesis of subfemtosecond light waveforms.
author list (cited authors)
Zhi, M., Wang, X. i., & Sokolov, A. V.
complete list of authors
Zhi, Miaochan||Wang, Xi||Sokolov, Alexei V