Nano dispersion amplified waveguide structures
Optics Express, Vol. 12, Issue 7, pp. 1228-1237 (2004)
http://dx.doi.org/10.1364/OPEX.12.001228
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Abstract
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
History
Original Manuscript: February 13, 2004
Revised Manuscript: March 11, 2004
Published: April 5, 2004
Citation
J. Brown, Eric Johnson, and M. Moharam, "Nano dispersion amplified waveguide structures," Opt. Express 12, 1228-1237 (2004)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-12-7-1228
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References
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