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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: Joseph N. Mait
  • Vol. 49, Iss. 4 — Feb. 1, 2010
  • pp: 658–662

Impact of electron-beam lithography irregularities across millimeter-scale resonant grating filter performances

Anne Talneau, Fabien Lemarchand, Anne-Laure Fehrembach, and Anne Sentenac  »View Author Affiliations


Applied Optics, Vol. 49, Issue 4, pp. 658-662 (2010)
http://dx.doi.org/10.1364/AO.49.000658


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Abstract

We investigated the impact of electron-beam lithography writing imperfections on the performance of two-dimensional resonant grating notch filters. This large area photonic device provides an interesting benchmark to assess the acceptable limits of unavoidable fabrication errors. We found that field stitching errors up to 100 nm have no detrimental effect on the filter linewidth, whereas a 2.5 nm electron-beam writing resolution, responsible for digitization disorder, is tolerable only for high-index contrast filter designs. Such an electron-beam writing strategy could also be beneficial for photonic crystal guiding structures or any periodic nanopatterned device with which the optical mode interacts with a large number of periodic elementary units.

© 2010 Optical Society of America

OCIS Codes
(050.0050) Diffraction and gratings : Diffraction and gratings
(220.0220) Optical design and fabrication : Optical design and fabrication
(220.3740) Optical design and fabrication : Lithography
(050.5745) Diffraction and gratings : Resonance domain

ToC Category:
Diffraction and Gratings

History
Original Manuscript: October 7, 2009
Revised Manuscript: December 24, 2009
Manuscript Accepted: December 25, 2009
Published: January 26, 2010

Citation
Anne Talneau, Fabien Lemarchand, Anne-Laure Fehrembach, and Anne Sentenac, "Impact of electron-beam lithography irregularities across millimeter-scale resonant grating filter performances," Appl. Opt. 49, 658-662 (2010)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-49-4-658

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