We propose a new design for compact tunable optical delay lines, based on adiabatic wavelength conversion and group velocity dispersion, in engineered silicon slow light photonic crystal waveguides. Actuation is performed over a small fraction of the device area, allowing for efficient operation in terms of switching power. We report on the experimental demonstration of variable delays up to 15 ps in a 300 μm long waveguide using this scheme, thus realising an ultrafast tunable delay line in an integrated format.
Ultrafast tunable optical delay in slow light photonic crystal waveguides
01.09.2011
454602 byte
Aufsatz (Konferenz)
Elektronische Ressource
Englisch
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