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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 16, Iss. 7 — Mar. 31, 2008
  • pp: 5150–5157

Integrated 10 Gb/s AWG-based correlator for multi-wavelength optical header recognition

Muhsen Aljada and Kamal E. Alameh  »View Author Affiliations


Optics Express, Vol. 16, Issue 7, pp. 5150-5157 (2008)
http://dx.doi.org/10.1364/OE.16.005150


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Abstract

In this paper we experimentally demonstrate a novel optical correlator employing dual integrated Arrayed Waveguide Grating (AWG) in conjunction with variable delay lines. The variable delay lines provide wavelength-dependent time delays and generate a wavelength profile that matches arbitrary bit patterns, whereas the AWGs are used to demultiplex and multiplex the wavelength components of the multi-wavelength header bit pattern. The recognition of 4-bit optical patterns at different wavelengths is experimentally demonstrated at 10 Gb/s by showing that the correlator produces an autocorrelation waveform of high peak whenever the input bit pattern matches the wavelengths profile, and a low-amplitude cross-correlation function otherwise.

© 2008 Optical Society of America

OCIS Codes
(060.2330) Fiber optics and optical communications : Fiber optics communications
(070.4550) Fourier optics and signal processing : Correlators
(070.5010) Fourier optics and signal processing : Pattern recognition
(060.1155) Fiber optics and optical communications : All-optical networks
(060.4259) Fiber optics and optical communications : Networks, packet-switched

ToC Category:
Fiber Optics and Optical Communications

History
Original Manuscript: January 7, 2008
Revised Manuscript: March 12, 2008
Manuscript Accepted: March 17, 2008
Published: March 28, 2008

Citation
Muhsen Aljada and Kamal E. Alameh, "Integrated 10 Gb/s AWG-based correlator for multi-wavelength optical header recognition," Opt. Express 16, 5150-5157 (2008)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-16-7-5150


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