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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 18, Iss. 6 — Mar. 15, 2010
  • pp: 6108–6115

400-Channel 25-GHz-spacing SOI-based planar waveguide demultiplexer employing a concave grating across C- and L-bands

Chun-Ting Lin  »View Author Affiliations


Optics Express, Vol. 18, Issue 6, pp. 6108-6115 (2010)
http://dx.doi.org/10.1364/OE.18.006108


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Abstract

The 400-channel 25-GHz-spacing SOI-based planar waveguide demultiplexer employing a concave grating across C- and L-bands is proposed in this paper. For the high polarization dependence, the waveguides are designed for supporting the TE mode only. To reduce the spherical aberration of the concave grating, the values of the maximum half divergent angle of the light source and minimum effective half width of the fundamental mode of the ridge waveguide are determined. We use a design example to show the spectral characteristics of the proposed design. Simulation results show that the proposed design provides better spectral characteristics and smaller die size.

© 2010 Optical Society of America

OCIS Codes
(050.1950) Diffraction and gratings : Diffraction gratings
(060.4230) Fiber optics and optical communications : Multiplexing
(060.4510) Fiber optics and optical communications : Optical communications
(130.2790) Integrated optics : Guided waves
(130.3120) Integrated optics : Integrated optics devices
(230.7370) Optical devices : Waveguides

ToC Category:
Integrated Optics

History
Original Manuscript: January 5, 2010
Revised Manuscript: March 1, 2010
Manuscript Accepted: March 3, 2010
Published: March 11, 2010

Citation
Chun-Ting Lin, "400-Channel 25-GHz-spacing SOI-based planar waveguide demultiplexer employing a concave grating across Cand L-bands," Opt. Express 18, 6108-6115 (2010)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-18-6-6108


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References

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