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Proceedings Paper

Enhancing and inhibiting stimulated Brillouin scattering in photonic integrated circuits (Presentation Recording)
Author(s): Benjamin J. Eggleton; Moritz Merklein; Thomas F. S. Buettner; Irina V. Kabakova
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Paper Abstract

On-chip nonlinear optics is a thriving research field, which creates transformative opportunities for manipulating classical or quantum signals in small-footprint integrated devices. Since the length scales are short, nonlinear interactions need to be enhanced by exploiting materials with large nonlinearity in combination with high-Q resonators or slowlight structures. This, however, often results in simultaneous enhancement of competing Q2 nonlinear processes, which limit the efficiency and can cause signal distortion. Here, we exploit the frequency dependence of the optical density-of-states near the edge of a photonic bandgap to selectively enhance or inhibit nonlinear interactions on a chip. We demonstrate this concept for one of the strongest nonlinear effects, stimulated Brillouin scattering using a narrow-band one-dimensional photonic bandgap structure: a Bragg grating. The stimluated Brillouin scattering enhancement enables the generation of a 15-line Brillouin frequency comb. In the inhibition case, we achieve stimulated Brillouin scattering free operation at a power level twice the threshold

Paper Details

Date Published: 5 October 2015
PDF: 1 pages
Proc. SPIE 9546, Active Photonic Materials VII, 95461Y (5 October 2015); doi: 10.1117/12.2190268
Show Author Affiliations
Benjamin J. Eggleton, The Univ. of Sydney (Australia)
Moritz Merklein, The Univ. of Sydney (Australia)
Thomas F. S. Buettner, The Univ. of Sydney (Australia)
Irina V. Kabakova, The Univ. of Sydney (Australia)


Published in SPIE Proceedings Vol. 9546:
Active Photonic Materials VII
Ganapathi S. Subramania; Stavroula Foteinopoulou, Editor(s)

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