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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 15, Iss. 20 — Oct. 1, 2007
  • pp: 12755–12762

Group velocity inversion in AlGaAs nanowires

J. Meier, W. S. Mohammed, A. Jugessur, L. Qian, M. Mojahedi, and J. S. Aitchison  »View Author Affiliations


Optics Express, Vol. 15, Issue 20, pp. 12755-12762 (2007)
http://dx.doi.org/10.1364/OE.15.012755


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Abstract

We investigated the dispersion characteristics of submicron sized AlGaAs waveguides. Numerical simulations shows that the tight confinement of the optical waves in such nanowires leads to strong variations of the dispersion characteristics compared to classic, weakly guided waveguides of the same material system. We found numerically that the investigated structure has negative GVD for the TE mode provided the waveguide width is between 670 nm and 280 nm. Experimental data obtained from 300 μm - 1 mm long wires confirms the numerical results.

© 2007 Optical Society of America

OCIS Codes
(230.3120) Optical devices : Integrated optics devices
(230.7370) Optical devices : Waveguides

ToC Category:
Optical Devices

History
Original Manuscript: June 14, 2007
Revised Manuscript: July 16, 2007
Manuscript Accepted: July 24, 2007
Published: September 20, 2007

Citation
J. Meier, W. S. Mohammed, A. Jugessur, L. Qian, M. Mojahedi, and J. S. Aitchison, "Group velocity inversion in AlGaAs nanowires," Opt. Express 15, 12755-12762 (2007)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-15-20-12755


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