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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: James C. Wyant
  • Vol. 45, Iss. 22 — Aug. 1, 2006
  • pp: 5740–5747

Multiline two-dimensional guided-mode resonant filters

Sakoolkan Boonruang, Andrew Greenwell, and M. G. Moharam  »View Author Affiliations


Applied Optics, Vol. 45, Issue 22, pp. 5740-5747 (2006)
http://dx.doi.org/10.1364/AO.45.005740


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Abstract

A novel multiline filter using a two-dimensional guided-mode resonant (GMR) filter is proposed. The filter concept utilizes the multiple planes of diffraction produced by the two-dimensional grating. Multiple resonances are obtained by matching the guided modes in the different planes of diffraction to different wavelengths. It is shown that the location and the separation between resonances can be specifically controlled by modifying the periodicity of the grating and the other physical dimensions of the structure. This is in contrast to the one-dimensional GMR filters where the location of the resonances is material dependent. Two-line reflection filter designs with spectral linewidths less than 1 nm and a controllable spectral separation of up to 23 % of the short resonance wavelength are presented using rectangular-grid grating GMR structures. Three-line filters are designed in hexagonal-grid grating GMR structures with two independently controllable resonance locations.

© 2006 Optical Society of America

OCIS Codes
(050.1950) Diffraction and gratings : Diffraction gratings
(130.3120) Integrated optics : Integrated optics devices
(230.7370) Optical devices : Waveguides

ToC Category:
Integrated Optics

History
Original Manuscript: December 8, 2005
Revised Manuscript: February 15, 2006
Manuscript Accepted: March 6, 2006

Citation
Sakoolkan Boonruang, Andrew Greenwell, and M. G. Moharam, "Multiline two-dimensional guided-mode resonant filters," Appl. Opt. 45, 5740-5747 (2006)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-45-22-5740

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