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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: 5597–5606

Aberration properties in a chirped grating for coarse wavelength division demultiplexing

Tatsuya Sugita, Kouki Hirano, Tomiya Abe, and Yuzo Itoh  »View Author Affiliations


Applied Optics, Vol. 45, Issue 22, pp. 5597-5606 (2006)
http://dx.doi.org/10.1364/AO.45.005597


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Abstract

We studied the imaging performance of a chirped grating for a demultiplexer designed for coarse wavelength division multiplexing using a wavefront aberration analysis and the ray tracing simulation. The demultiplexer was composed of a chirped grating, cylindrical lenses, and a waveguide. The best image point and the spot shape focused by the chirped grating were effectively calculated with the wavefront aberration. We applied the aberration analysis to design a waveguide to connect branched beams to photodetectors, and we confirmed the demultiplexing performance experimentally.

© 2006 Optical Society of America

OCIS Codes
(060.4230) Fiber optics and optical communications : Multiplexing
(230.1950) Optical devices : Diffraction gratings

ToC Category:
Fiber Optics and Optical Communications

History
Original Manuscript: November 1, 2005
Revised Manuscript: February 13, 2006
Manuscript Accepted: February 27, 2006

Citation
Tatsuya Sugita, Kouki Hirano, Tomiya Abe, and Yuzo Itoh, "Aberration properties in a chirped grating for coarse wavelength division demultiplexing," Appl. Opt. 45, 5597-5606 (2006)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-45-22-5597

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