Pulse-front-matched optical parametric amplification for sub-10-fs pulse generation tunable in the visible and near infrared
- 15 August 1998
- journal article
- Published by Optica Publishing Group in Optics Letters
- Vol. 23 (16), 1292-1294
- https://doi.org/10.1364/ol.23.001292
Abstract
A noncollinear optical parametric amplifier is presented that generates transform-limited sub-10-fs pulses that are tunable in both the visible and the near infrared (NIR). The pulse-front-matched pump geometry realizes tilt-free signal amplification, and pulses as short as 6.1 fs can be obtained from 550 to 700 nm. The large angular dispersion of the idler specific to the group-velocity-matching interaction is effectively eliminated by a grating–telescope compensator, and 9-fs NIR pulses are also successfully obtained from 900 to 1300 nm. This is believed to be the first tunable sub-10-fs light source.Keywords
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