Brillouin integrated photonics

Benjamin J. Eggleton, Christopher G. Poulton, Peter T. Rakich, Michael J. Steel, Gaurav Bahl

Research output: Contribution to journalReview article

Abstract

A recent renaissance in Brillouin scattering research has been driven by the increasing maturity of photonic integration platforms and nanophotonics. The result is a new breed of chip-based devices that exploit acousto-optic interactions to create lasers, amplifiers, filters, delay lines and isolators. Here, we provide a detailed overview of Brillouin scattering in integrated waveguides and resonators, covering key concepts such as the stimulation of the Brillouin process, in which the optical field itself induces acoustic vibrations, the importance of acoustic confinement, methods for calculating and measuring Brillouin gain, and the diversity of materials platforms and geometries. Our Review emphasizes emerging applications in microwave photonics, signal processing and sensing, and concludes with a perspective for future directions.

Original languageEnglish (US)
Pages (from-to)664-677
Number of pages14
JournalNature Photonics
Volume13
Issue number10
DOIs
StatePublished - Oct 1 2019

Fingerprint

Brillouin scattering
Photonics
platforms
Acoustics
photonics
Nanophotonics
Light amplifiers
isolators
Electric delay lines
acousto-optics
delay lines
stimulation
scattering
sound waves
Vibrations (mechanical)
Resonators
signal processing
emerging
Optics
Signal processing

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Atomic and Molecular Physics, and Optics

Cite this

Eggleton, B. J., Poulton, C. G., Rakich, P. T., Steel, M. J., & Bahl, G. (2019). Brillouin integrated photonics. Nature Photonics, 13(10), 664-677. https://doi.org/10.1038/s41566-019-0498-z

Brillouin integrated photonics. / Eggleton, Benjamin J.; Poulton, Christopher G.; Rakich, Peter T.; Steel, Michael J.; Bahl, Gaurav.

In: Nature Photonics, Vol. 13, No. 10, 01.10.2019, p. 664-677.

Research output: Contribution to journalReview article

Eggleton, BJ, Poulton, CG, Rakich, PT, Steel, MJ & Bahl, G 2019, 'Brillouin integrated photonics', Nature Photonics, vol. 13, no. 10, pp. 664-677. https://doi.org/10.1038/s41566-019-0498-z
Eggleton BJ, Poulton CG, Rakich PT, Steel MJ, Bahl G. Brillouin integrated photonics. Nature Photonics. 2019 Oct 1;13(10):664-677. https://doi.org/10.1038/s41566-019-0498-z
Eggleton, Benjamin J. ; Poulton, Christopher G. ; Rakich, Peter T. ; Steel, Michael J. ; Bahl, Gaurav. / Brillouin integrated photonics. In: Nature Photonics. 2019 ; Vol. 13, No. 10. pp. 664-677.
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