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Optics Express

Optics Express

  • Editor: Michael Duncan
  • Vol. 12, Iss. 12 — Jun. 14, 2004
  • pp: 2676–2687

Reduction of group delay ripple of multi-channel chirped fiber gratings using adiabatic UV correction

P. I. Reyes, M. Sumetsky, N. M. Litchinitser, and P. S. Westbrook  »View Author Affiliations


Optics Express, Vol. 12, Issue 12, pp. 2676-2687 (2004)
http://dx.doi.org/10.1364/OPEX.12.002676


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Abstract

We demonstrate reduction of group delay ripple (GDR) from 24 ps to 9 ps peak to peak in a four channel 43 Gb/s dispersion compensating chirped fiber grating by adiabatic UV post processing. The eye opening penalty due to the grating GDR was improved from ~2dB to <1dB for all of the channels over a range of carrier frequencies of 15GHz. Our results demonstrate that at 43 Gb/s, the adiabatic UV correction technique is sufficient to substantially improve multi-channel fiber grating performance. We also discuss three limitations of the correction technique which cause GDR to vary from channel to channel: Noise in the sampling function, cladding mode loss, and varying channel reflectivity. While these limitations are visible in our results they do not reduce the effectiveness of the adiabatic correction for our gratings.

© 2004 Optical Society of America

OCIS Codes
(060.2330) Fiber optics and optical communications : Fiber optics communications
(060.2340) Fiber optics and optical communications : Fiber optics components
(230.1480) Optical devices : Bragg reflectors
(230.1950) Optical devices : Diffraction gratings

ToC Category:
Research Papers

History
Original Manuscript: March 15, 2004
Revised Manuscript: June 1, 2004
Manuscript Accepted: June 1, 2004
Published: June 14, 2004

Citation
P. I. Reyes, M. Sumetsky, N. M. Litchinitser, and P. S. Westbrook, "Reduction of group delay ripple of multi-channel chirped fiber gratings using adiabatic UV correction," Opt. Express 12, 2676-2687 (2004)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-12-12-2676


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References

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