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Optics Express

Optics Express

  • Editor: Michael Duncan
  • Vol. 13, Iss. 19 — Sep. 19, 2005
  • pp: 7637–7644

Investigation of self-phase modulation based optical regeneration in single mode As2Se3 chalcogenide glass fiber

L. B. Fu, M. Rochette, V. G. Ta’eed, D. J. Moss, and B. J. Eggleton  »View Author Affiliations

Optics Express, Vol. 13, Issue 19, pp. 7637-7644 (2005)

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We investigate the feasibility of all-optical regeneration based on self-phase modulation in single mode As2Se3 chalcogenide fiber. By combining the chalcogenide fiber with a bandpass filter, we achieve a near step-like power transfer function with no pulse distortion. The device is shown to operate with 5.8 ps duration pulses, thus demonstrating the feasibility of this device operating with high bit-rate data signals. These results are achieved with pulse peak powers <10 W in a fully passive device, including only 2.8 m of chalcogenide fiber. We obtain an excellent agreement between theory and experiment and show that both the high nonlinearity of the chalcogenide glass along with its high normal dispersion near 1550 nm enables a significant device length reduction in comparison with silica-based devices, without compromise on the performance. We find that even for only a few meters of fiber, the large normal dispersion of the chalcogenide glass inhibits spectral oscillations that would appear with self-phase modulation alone. We measure the two photon absorption attenuation coefficient and find that it advantageously affects the device transfer function.

© 2005 Optical Society of America

OCIS Codes
(050.2770) Diffraction and gratings : Gratings
(060.0060) Fiber optics and optical communications : Fiber optics and optical communications
(060.2330) Fiber optics and optical communications : Fiber optics communications
(130.3120) Integrated optics : Integrated optics devices
(190.4370) Nonlinear optics : Nonlinear optics, fibers
(190.5530) Nonlinear optics : Pulse propagation and temporal solitons
(190.7110) Nonlinear optics : Ultrafast nonlinear optics

ToC Category:
Research Papers

Original Manuscript: July 5, 2005
Revised Manuscript: September 10, 2005
Published: September 19, 2005

L. Fu, M. Rochette, V. Ta'eed, D. Moss, and B. Eggleton, "Investigation of self-phase modulation based optical regeneration in single mode As2Se3 chalcogenide glass fiber," Opt. Express 13, 7637-7644 (2005)

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