Experimental verification of soliton mode locking using only a slow saturable absorber
- Ultrafast Laser Physics, Institute of Quantum Electronics, Swiss Federal Institute of Technology, ETH Hoenggerberg---HPT, CH-8093 Zuerich (Switzerland)
We demonstrate experimentally that solid-state lasers with strong solitonlike pulse shaping can be mode locked by a slow saturable absorber only, i.e., the response time is much slower than the width of the soliton. A Ti:sapphire laser mode locked by a low-temperature-grown GaAs absorber with 10-ps recovery time generates pulses as short as 300 fs without the need for Kerr-lens mode locking and critical cavity alignment. An extrapolation of this result would predict that an {approx}100-fs recovery time of a semiconductor absorber could support pulses into the 10-fs regime. {copyright} 1995 Optical Society of America
- Sponsoring Organization:
- USDOE
- OSTI ID:
- 165729
- Journal Information:
- Optics Letters, Vol. 20, Issue 18; Other Information: PBD: 15 Sep 1995
- Country of Publication:
- United States
- Language:
- English
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