58 citations · 219 across the 15 of their papers we have counts for
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physics.optics2012★ 51 cited
Ultrafast tuneable optical delay line based on indirect photonic transitions
Daryl M. Beggs, Isabella H. Rey, Tobias Kampfrath +3
We introduce the concept of an indirect photonic transition and demonstrate its use in a dynamic delay line to alter the group velocity of an optical pulse. Operating on an ultrafa…
physics.optics2012★ 42 cited
Ultrafast tilting of the dispersion of a photonic crystal and adiabatic spectral compression of light pulses
Daryl M. Beggs, Thomas F. Krauss, L. Kuipers +1
We demonstrate, by theory and experiment, the ultrafast tilting of the dispersion curve of a photonic-crystal waveguide following the absorption of a femtosecond pump pulse. By sha…