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Optics Express

Optics Express

  • Editor: Michael Duncan
  • Vol. 12, Iss. 6 — Mar. 22, 2004
  • pp: 1084–1089

Two-dimensional wavelength demultiplexing employing multilevel arrayed waveguides

Jianyi Yang, Xiaoqing Jiang, Minghua Wang, and Yuelin Wang  »View Author Affiliations

Optics Express, Vol. 12, Issue 6, pp. 1084-1089 (2004)

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Two-dimensional (2D) optical wavelength demultiplexing is demonstrated by employing multilevel arrayed waveguides as a 2D diffraction grating, named the 2D arrayed waveguide grating (2D-AWG). Since the monochromatic lightwave is diffracted by the 2D-AWG to a series of periodic spots with 2D diffraction orders in both x and y directions while the dispersion direction is never parallel to the x or y direction, we can obtain 2D wavelength demultiplexing exploiting diffraction orders of either the x or y direction. One of the two dispersion components is designed much larger than the other, and the correspondent spatial free spectral range component is set properly to ensure high diffraction efficiency. The input and output ports can also be designed based on the multilevel lightwave circuit (MLC), and their level planes can be tuned parallel to that of the MLC-based 2D-AWG, which makes it feasible to integrate the 2D-AWG with the input port and/or the output port. It provides a promising way to realize large-scale and high-density optical multiplexers/demultiplexers.

© 2004 Optical Society of America

OCIS Codes
(050.1940) Diffraction and gratings : Diffraction
(050.1950) Diffraction and gratings : Diffraction gratings
(060.1810) Fiber optics and optical communications : Buffers, couplers, routers, switches, and multiplexers
(130.2790) Integrated optics : Guided waves
(130.3120) Integrated optics : Integrated optics devices
(230.7370) Optical devices : Waveguides

ToC Category:
Research Papers

Original Manuscript: February 13, 2004
Revised Manuscript: March 11, 2004
Published: March 22, 2004

Jianyi Yang, Xiaoqing Jiang, Minghua Wang, and Yuelin Wang, "Two-dimensional wavelength demultiplexing employing multilevel arrayed waveguides," Opt. Express 12, 1084-1089 (2004)

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