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Nonlinear long-period gratings in As2Se3 chalcogenide fiber for all-optical switching

Appl. Phys. Lett. 92, 101127 (2008); doi:10.1063/1.2898213

Published 14 March 2008

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H. C. Nguyen, D.-I. Yeom, E. C. Mägi, L. B. Fu, B. T. Kuhlmey, C. Martijn de Sterke, and B. J. Eggleton
Centre for Ultrahigh-bandwidth Devices for Optical Systems (CUDOS) and School of Physics, University of Sydney, New South Wales 2006, Australia
We present experimental demonstration of all-optical switching using long-period gratings (LPGs) in highly nonlinear As2Se3 chalcogenide fiber. We use a 135  mm grating which is generated using acoustic waves. We characterize the nonlinear pulse propagation through the LPG using picosecond pulses tuned to different wavelengths with respect to the grating resonance. We compare the results with numerical simulations and observe switching at pulse peak powers around 50  W, two orders of magnitude smaller than previously demonstrated in silica. ©2008 American Institute of Physics
History: Received 19 December 2007; accepted 23 February 2008; published 14 March 2008
Permalink: http://link.aip.org/link/?APPLAB/92/101127/1
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KEYWORDS and PACS

Keywords
PACS
  • 42.70.Ce
    Optical glasses, quartz
  • 42.79.Dj
    Gratings
  • 42.65.Pc
    Optical bistability, multistability, and switching
  • 42.81.-i
    Fiber optics
  • 42.79.Ta
    Optical computers, logic elements, interconnects, switches; neural networks
  • YEAR: 2008

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ISSN:
0003-6951 (print)   1077-3118 (online)
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REFERENCES (20)
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