Spielmann, C., Krausz, F., Brabec, T., Wintner, E., & Schmidt, A. J. (1991). Experimental study of additive-pulse mode locking in an Nd:glass laser. IEEE Journal of Quantum Electronics, 27(5), 1207–1213. https://doi.org/10.1109/3.83378
ultrafast lasers; Solid state lasers; Optical pulse generation
en
Abstract:
Self-starting additive-pulse mode locking (APM) has been investigated experimentally in a continuous-wave Nd:glass laser. Stress has been put on the study of the self-starting process and relaxation oscillation instabilities. An intensity threshold for self-starting APM is observed and related to the linewidth of the first beat note of the power spectrum of the free-running laser output. Under steadystate conditions, two distinct operating regimes are obtained: mode locking with repetitive self-Q switching, and pure mode locking. Increasing the intracavity power gives rise to a strong chirp developing on the modelocked pulses and to a simultaneous disappearance of self-Q switching.
