Abstract
Recent advances in cavity design and dispersion management have resulted in the generation of pulses of approximately 8-fs duration from laser oscillators based on broadband solid-state gain media,1 The basic mechanisms of self-focusing mode-locking (also called Kerr-lens mode-locking, KLM) are now well established.2 Here we examine the connection between wavelength and spatial mode that occurs in KLM lasers because self-phase modulation and self-focusing have the same underlying origin.
© 1996 Optical Society of America
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