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Journal of the Optical Society of America B

Journal of the Optical Society of America B

| OPTICAL PHYSICS

  • Editor: Grover Swartzlander
  • Vol. 31, Iss. 2 — Feb. 1, 2014
  • pp: 178–188

Suppression of stimulated Brillouin scattering in integrated chalcogenide waveguides

Sebastian Jakobs, Alexander Petrov, and Manfred Eich  »View Author Affiliations


JOSA B, Vol. 31, Issue 2, pp. 178-188 (2014)
http://dx.doi.org/10.1364/JOSAB.31.000178


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Abstract

Chalcogenide nanostructures are an interesting platform for ultra-fast nonlinear signal processing. However, stimulated Brillouin scattering (SBS) can represent a major obstacle to achieving this goal for continuous wave pumps, as it depletes the high-power pump wave. In this paper, we assess the SBS gain in an As 2 Se 3 nanowire, which is found to be much larger than the SBS gain in As 2 Se 3 fibers. Such a large SBS gain poses a severe problem, and standard concepts for fibers, such as Bragg gratings and tapers are found not to work for nanowires. However, through the introduction of an amorphous polycarbonate cladding, the elastic modes and the optical mode can be separated, and SBS can thus be efficiently suppressed by three and a half-orders of magnitude. At the same time, flexibility for other design goals, such as phase matching, is maintained.

© 2014 Optical Society of America

OCIS Codes
(130.2790) Integrated optics : Guided waves
(200.4880) Optics in computing : Optomechanics
(290.5900) Scattering : Scattering, stimulated Brillouin
(350.4238) Other areas of optics : Nanophotonics and photonic crystals

ToC Category:
Scattering

History
Original Manuscript: August 2, 2013
Revised Manuscript: November 13, 2013
Manuscript Accepted: November 23, 2013
Published: January 3, 2014

Citation
Sebastian Jakobs, Alexander Petrov, and Manfred Eich, "Suppression of stimulated Brillouin scattering in integrated chalcogenide waveguides," J. Opt. Soc. Am. B 31, 178-188 (2014)
http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-31-2-178

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