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Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Alan E. Willner
  • Vol. 33, Iss. 7 — Apr. 1, 2008
  • pp: 660–662

Low-threshold supercontinuum generation in highly nonlinear chalcogenide nanowires

Dong-Il Yeom, Eric C. Mägi, Michael R. E. Lamont, Michaël A. F. Roelens, Libin Fu, and Benjamin J. Eggleton  »View Author Affiliations


Optics Letters, Vol. 33, Issue 7, pp. 660-662 (2008)
http://dx.doi.org/10.1364/OL.33.000660


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Abstract

We demonstrate low-threshold supercontinuum generated in a highly nonlinear arsenic selenide chalcogenide nanowire with tailored dispersion. The tapered submicrometer chalcogenide fiber exhibits an ultrahigh nonlinearity, n 2 1.1 × 10 17 m 2 W and an effective mode area of 0.48 μ m 2 , yielding an effective nonlinearity of γ 93.4 W m , which is over 80,000 times larger than standard silica single-mode fiber at a wavelength of 1550 nm . This high nonlinearity, in conjunction with the engineered anomalous dispersion, enables low-threshold soliton fission leading to large spectral broadening at a dramatically reduced peak power of several watts, corresponding to picojoule energy.

© 2008 Optical Society of America

OCIS Codes
(060.4370) Fiber optics and optical communications : Nonlinear optics, fibers
(320.6629) Ultrafast optics : Supercontinuum generation

ToC Category:
Fiber Optics and Optical Communications

History
Original Manuscript: December 5, 2007
Revised Manuscript: February 7, 2008
Manuscript Accepted: February 19, 2008
Published: March 24, 2008

Citation
Dong-Il Yeom, Eric C. Mägi, Michael R. E. Lamont, Michaël A. F. Roelens, Libin Fu, and Benjamin J. Eggleton, "Low-threshold supercontinuum generation in highly nonlinear chalcogenide nanowires," Opt. Lett. 33, 660-662 (2008)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-33-7-660


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