Single-shot observation of nonlinear pulse splitting in a Kerr medium
We report single-shot, time-resolved observation of self-steepening and temporal splitting of near-infrared, 50 fs, micro-joule pulses propagating nonlinearly in flint (SF11) glass. A coherent, smooth-profiled, 60-nm-bandwidth probe pulse that propagated obliquely to the main pulse through the Kerr medium recorded a time sequence of longitudinal projections of the main pulse’s induced refractive index profile in the form of a phase-shift “streak,” in which frequency–domain interferometry recovered with ∼10 fs temporal resolution. A three-dimensional simulation based on a unidirectional pulse propagation equation reproduced observed pulse profiles.
- Sponsoring Organization:
- USDOE
- Grant/Contract Number:
- SC0011617; SC0012704
- OSTI ID:
- 2246959
- Journal Information:
- Optics Letters, Journal Name: Optics Letters Journal Issue: 1 Vol. 49; ISSN 0146-9592; ISSN OPLEDP
- Publisher:
- Optical Society of AmericaCopyright Statement
- Country of Publication:
- United States
- Language:
- English
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