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Optics Express

Optics Express

  • Editor: Michael Duncan
  • Vol. 14, Iss. 6 — Mar. 20, 2006
  • pp: 2413–2422

Compact wavelength demultiplexing using focusing negative index photonic crystal superprisms

Babak Momeni, Jiandong Huang, Mohammad Soltani, Murtaza Askari, Saeed Mohammadi, Mohammad Rakhshandehroo, and Ali Adibi  »View Author Affiliations

Optics Express, Vol. 14, Issue 6, pp. 2413-2422 (2006)

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Here, we demonstrate a compact photonic crystal wavelength demultiplexing device based on a diffraction compensation scheme with two orders of magnitude performance improvement over the conventional superprism structures reported to date. We show that the main problems of the conventional superprism-based wavelength demultiplexing devices can be overcome by combining the superprism effect with two other main properties of photonic crystals, i.e., negative diffraction and negative refraction. Here, a 4-channel optical demultiplexer with a channel spacing of 8 nm and cross-talk level of better than -6.5 dB is experimentally demonstrated using a 4500 μm2 photonic crystal region.

© 2006 Optical Society of America

OCIS Codes
(130.3120) Integrated optics : Integrated optics devices

ToC Category:
Photonic Crystals

Original Manuscript: February 3, 2006
Revised Manuscript: March 9, 2006
Manuscript Accepted: March 14, 2006
Published: March 20, 2006

Babak Momeni, Jiandong Huang, Mohammad Soltani, Murtaza Askari, Saeed Mohammadi, Mohammad Rakhshandehroo, and Ali Adibi, "Compact wavelength demultiplexing using focusing negative index photonic crystal superprisms," Opt. Express 14, 2413-2422 (2006)

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