Journal
OPTICS EXPRESS
Volume 31, Issue 14, Pages 22855-22862Publisher
Optica Publishing Group
DOI: 10.1364/OE.491323
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We present a new pulse shaper that disperses an incident laser beam angularly and then splits it into separate beams using multiple prisms. This pulse shaper allows independent control of the amplitude and phase of the beams, enabling the production of pulses with desired temporal shapes. Additionally, it introduces a significant amount of negative group delay dispersion (GDD) over an octave spectrum near visible, compensating for the positive GDD accumulated during spectral broadening. Consequently, single-cycle or few-cycle laser pulses can be generated without the need for chirped mirrors.
We demonstrate a novel pulse shaper in which an incident laser beam is angularly dispersed by a first prism, and then it is split into separate beams using multiple prisms. Since this new pulse shaper offers independent control of the amplitude and phase of the separate beams, it can produce pulses having desired temporal shapes. Furthermore, it imposes a significant amount of negative group delay dispersion (GDD) over an octave spectrum near visible, which can compensate for a positive GDD accumulated in the process of spectral broadening. Consequently, single-cycle or few-cycle laser pulses can be produced without the need for chirped mirrors.
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