Tunable photonic delay lines in optical fibers.

The group of Prof. Luc Thévenaz (Group for Fibre Optics) presents a comprehensive overview about optical fiber-based tunable photonic delay lines, which have been steadily developed over the last decade for the realization of all-optically controlled timing functions. The most widely used techniques, such as those based on slow & fast light and wavelength conversion associated to dispersion, are described and their physical limitations are discussed in terms of the maximal achievable delay, the associated signal distortion and signal bandwidth.

S. Chin, L. Thévenaz, Laser & Photonics Reviews, Volume 6, Issue 6 p 724 – 738, DOI: 10.1002/lpor.201290012 (2012) (Cover page)