Abstract

Amplified spontaneous Raman emission under picosecond pulse pumping is studied in detail both experimentally and numerically. It is found that the Raman output pulses are noise-like with partial coherence, which has important implications for various applications. Numerical simulation reproduces the finding well, along with the temporal and spectral dependence of the Raman pulse on the pump pulse energy. The numerical simulations of the temporal, spectral, and energy evolution of the Raman and pump pulse along the fiber gives insight on how to design such sources.

© 2018 Optical Society of America

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