Quantum Control of Photodissociation by Manipulation of Bond Softening

Details Quantum Control of Photodissociation by Manipulation of Bond Softening Quantum Control of Photodissociation by Manipulation of Bond Softening

2012-04-19

arxiv.org/abs/1204.4489v1

Physics

Optics

4 pages, 4 figures

Scientific paper

We present a method to control photodissociation by manipulating the bond softening mechanism occurring in strong shaped laser fields, by varying the chirp sign and magnitude of an ultra-short laser pulse. Manipulation of bond-softening is experimentally demonstrated for strong field (795 nm, 10^12 - 10^13 W/cm^2) photodissociation of H2+, exhibiting substantial increase of dissociation by positively chirped pulses with respect to both negatively chirped and transform limited pulses. The measured kinetic energy release and angular distributions are used to quantify the degree of control of dissociation. The control mechanism is attributed to the interplay of dynamic alignment and chirped light induced potential curves.

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