Highly localized distributed Brillouin scattering response in a photonic integrated circuit
Zarifi A, Stiller B, Merklein M, Li N, Vu K, Choi DY, Ma P, Madden SJ, Eggleton BJ (2018)
Publication Type: Journal article
Publication year: 2018
Journal
Book Volume: 3
Article Number: 036101
Journal Issue: 3
DOI: 10.1063/1.5000108
Abstract
The interaction of optical and acoustic waves via stimulated Brillouin scattering (SBS) has recently reached on-chip platforms, which has opened new fields of applications ranging from integrated microwave photonics and on-chip narrow-linewidth lasers, to phonon-based optical delay and signal processing schemes. Since SBS is an effect that scales exponentially with interaction length, on-chip implementation on a short length scale is challenging, requiring carefully designed waveguides with optimized opto-acoustic overlap. In this work, we use the principle of Brillouin optical correlation domain analysis to locally measure the SBS spectrum with high spatial resolution of 800 μm and perform a distributed measurement of the Brillouin spectrum along a spiral waveguide in a photonic integrated circuit. This approach gives access to local opto-acoustic properties of the waveguides, including the Brillouin frequency shift and linewidth, essential information for the further development of high quality photonic-phononic waveguides for SBS applications.
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Australia (AU)How to cite
APA:
Zarifi, A., Stiller, B., Merklein, M., Li, N., Vu, K., Choi, D.-Y.,... Eggleton, B.J. (2018). Highly localized distributed Brillouin scattering response in a photonic integrated circuit. APL Photonics, 3(3). https://doi.org/10.1063/1.5000108
MLA:
Zarifi, Atiyeh, et al. "Highly localized distributed Brillouin scattering response in a photonic integrated circuit." APL Photonics 3.3 (2018).
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