Wideband pulse propagation: single-field and multi-field approaches to Raman interactions

Details Wideband pulse propagation: single-field and multi-field approaches to Raman interactions Wideband pulse propagation: single-field and multi-field approaches to Raman interactions

2006-06-13

arxiv.org/abs/physics/0606111v1

Phys. Rev. A72, 033804 (2005)

Physics

Optics

6 pages, two 3-part figures

Scientific paper

10.1103/PhysRevA.72.033804

We model the process of ultra broadband light generation in which a pair of laser pulses separated by the Raman frequency drive a Raman transition. In contrast to the usual approach using separate field envelopes for the different frequency components, we treat the field as a single entity. This requires the inclusion of few-cycle corrections to the pulse propagation. Our single-field model makes fewer approximations and is mathematically (and hence computationally) simpler, although it does require greater computational resources to implement. The single-field theory reduces to the traditional multi-field one using appropriate approximations.

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