Y. Okawachi, J. E. Sharping, C. Xu, and A. L. Gaeta, "Large Tunable Optical Delays via Self-Phase Modulation and Dispersion,"
in Conference on Lasers and Electro-Optics/Quantum Electronics and Laser Science Conference and Photonic Applications Systems Technologies,
OSA Technical Digest Series (CD)
(Optical Society of America, 2007), paper CThAA4.
We demonstrate continuously tunable delays and advancements of 3.5-ps pulses over a total range of more than 1200 pulsewidths in optical fiber using a combination of nonlinear spectral broadening and filtering.