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Ultrafast adiabatic manipulation of slow light in a photonic crystal

Kampfrath, Tobias; Beggs, Daryl M.; White, Thomas; Melloni, A.; Krauss, Thomas F.; Kuipers, L. (Kobus)

Description

We demonstrate by experiment and theory that a light pulse propagating through a Si-based photonic-crystal waveguide is adiabatically blueshifted when the refractive index of the Si is reduced on a femtosecond time scale. Thanks to the use of slow-light modes, we are able to shift a 1.3-ps pulse at telecom frequencies by 0.3 THz with an efficiency as high as 80% in a waveguide as short as 19μm. An analytic theory reproduces the experimental data excellently, which shows that adiabatic dynamics...[Show more]

CollectionsANU Research Publications
Date published: 2010
Type: Journal article
URI: http://hdl.handle.net/1885/79238
Source: Physical Review A: Atomic, Molecular and Optical Physics
DOI: 10.1103/PhysRevA.81.043837

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