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Photonic-chip-based tunable slow and fast light via stimulated Brillouin scattering

Pant, Ravi; Byrnes, Adam; Poulton, Christopher G; Li, Enbang; Choi, Duk-Yong; Madden, Steve; Luther-Davies, Barry; Eggleton, Benjamin J


We report the first (to our knowledge) demonstration of photonic chip based tunable slow and fast light via stimulated Brillouin scattering. Slow, fast, and negative group velocities were observed in a 7 cm long chalcogenide (As2S3) rib waveguide with a group index change ranging from ∼−44 to +130, which results in a maximum delay of ∼23  ns at a relatively low gain of ∼23  dB. Demonstration of large tunable delays in a chip scale device opens up applications such as frequency sensing and...[Show more]

CollectionsANU Research Publications
Date published: 2012-03-01
Type: Journal article
Source: Optics Letters 37.5 (2012):969-971
DOI: 10.1364/OL.37.000969


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