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Optics Express

Optics Express

  • Editor: Michael Duncan
  • Vol. 12, Iss. 7 — Apr. 5, 2004
  • pp: 1228–1237

Nano dispersion amplified waveguide structures

J. D. Brown, E. G. Johnson, and M. G. Moharam  »View Author Affiliations

Optics Express, Vol. 12, Issue 7, pp. 1228-1237 (2004)

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A highly dispersive waveguide structure is proposed to efficiently compress and expand ultra short pulses in a package forming a sufficiently small footprint. A sub-wavelength grating is fashioned into a ridge waveguide to take advantage of multiple dispersive effects and spread the mode over a significantly larger area than a standard single-mode waveguide. The structure is designed to take advantage of the amplified dispersion near cutoff. Modal analysis is performed on two variations of the structure using a finite element solver package. The predicted dispersion is sufficient to double the width of a 1 ps pulse within the width of a standard 5 inch (127 mm) wafer. A theoretical analysis of the grating component composing the structure confirms that the dispersion values are fully reasonable.

© 2004 Optical Society of America

OCIS Codes
(130.2790) Integrated optics : Guided waves
(230.7380) Optical devices : Waveguides, channeled

ToC Category:
Research Papers

Original Manuscript: February 13, 2004
Revised Manuscript: March 11, 2004
Published: April 5, 2004

J. Brown, Eric Johnson, and M. Moharam, "Nano dispersion amplified waveguide structures," Opt. Express 12, 1228-1237 (2004)

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