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Conference Paper

Ultrafast adiabatic frequency conversion using slow-light in photonic crystal waveguides

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Kampfrath,  Tobias
Physical Chemistry, Fritz Haber Institute, Max Planck Society;

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Citation

Beggs, D. M., Kampfrath, T., Kuipers, L., & Krauss, T. F. (2010). Ultrafast adiabatic frequency conversion using slow-light in photonic crystal waveguides. In Proceedings of SPIE.


Cite as: https://hdl.handle.net/11858/00-001M-0000-0010-F5AA-4
Abstract
By performing an ultrafast pump-probe experiment, we demonstrate the adiabatic frequency conversion of a telecommunications pulse in a silicon photonic crystal waveguide. By using slow-light modes to spatially compress the pulse, a 1.3 ps long pulse is blue-shifted by 0.3 THz with 80% efficiency in a waveguide just 19 µm long. We also present the results of an adiabatic model of the process, which agrees excellently with the experimentally measured data.