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Optics Express

Optics Express

  • Editor: Andrew M. Weiner
  • Vol. 21, Iss. 23 — Nov. 18, 2013
  • pp: 28456–28468

Compact filters and demultiplexers based on long-range air-hole assisted subwavelength waveguides

Wen Zhou and Xu Guang Huang  »View Author Affiliations


Optics Express, Vol. 21, Issue 23, pp. 28456-28468 (2013)
http://dx.doi.org/10.1364/OE.21.028456


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Abstract

Compact filters and demultiplexers based on long-range air-hole assisted subwavelength (LR-AHAS) waveguides have been proposed and numerically demonstrated. The tunable reflective filters possess the characters of high extinction ratio (17.5dB) and narrow bandwidth (10.1nm). The average demultiplexing bandwidth of a 1 × 3 wavelength demultiplexer based on LR-AHAS waveguide is 17.3 nm. The drop efficiencies can be significantly enhanced up to 60% by employing proposed filters in the structure. With distinguished wavelength-filtering/dropping characters and compact footprints, the proposed filters and demultiplexers could become the fundamental signal processing components in the LR-AHAS waveguides for large-scale photonic integrations.

© 2013 Optical Society of America

OCIS Codes
(060.4230) Fiber optics and optical communications : Multiplexing
(130.3120) Integrated optics : Integrated optics devices
(140.4780) Lasers and laser optics : Optical resonators
(230.7370) Optical devices : Waveguides
(130.7408) Integrated optics : Wavelength filtering devices

ToC Category:
Integrated Optics

History
Original Manuscript: August 21, 2013
Revised Manuscript: October 22, 2013
Manuscript Accepted: November 1, 2013
Published: November 12, 2013

Citation
Wen Zhou and Xu Guang Huang, "Compact filters and demultiplexers based on long-range air-hole assisted subwavelength waveguides," Opt. Express 21, 28456-28468 (2013)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-21-23-28456


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