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Optics Express

Optics Express

  • Editor: Michael Duncan
  • Vol. 14, Iss. 8 — Apr. 17, 2006
  • pp: 3497–3502

Integrated holographic filters for flat passband optical multiplexers

D. Iazikov, C. M. Greiner, and T. W. Mossberg  »View Author Affiliations

Optics Express, Vol. 14, Issue 8, pp. 3497-3502 (2006)

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Lithographically rendered, slab-waveguide-based, volume holographic filters are shown, via fabrication and test, capable of providing fully integrated, single-mode compatible, flat-topped and low loss filtering for wide bandwidth multiplexers as, for example, used in coarse wave-division multiplexing (CWDM). Single-mode compatibility is preserved since the filters operate via multi-path interference like thin-film filters rather than the angular dispersion typically utilized by grating type devices. Flexible apodization, entirely consistent with simple binary etch, is employed to provide steep passband falloff. High reflectivity and wide bandwidth is enabled through a tailored dual core waveguide geometry providing for mode concentration on the diffractive elements.

© 2006 Optical Society of America

OCIS Codes
(050.7330) Diffraction and gratings : Volume gratings
(060.4230) Fiber optics and optical communications : Multiplexing
(230.3120) Optical devices : Integrated optics devices
(230.7390) Optical devices : Waveguides, planar

ToC Category:
Optical Devices

Original Manuscript: January 23, 2006
Revised Manuscript: March 31, 2006
Manuscript Accepted: April 3, 2006
Published: April 17, 2006

D. Iazikov, C. M. Greiner, and T. W. Mossberg, "Integrated holographic filters for flat passband optical multiplexers," Opt. Express 14, 3497-3502 (2006)

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