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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 20, Iss. 26 — Dec. 10, 2012
  • pp: B288–B298

What else can an AWG do?

Gabriella Cincotti  »View Author Affiliations

Optics Express, Vol. 20, Issue 26, pp. B288-B298 (2012)

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The present paper aims to describe other functionalities for an arrayed waveguide grating (AWG)-based device, showing that this widely used configuration can be designed not only to frequency multiplex/demultiplex wavelength division multiplexing (WDM) signals, but also to perform the discrete Fourier transform (DFT) and the discrete fractional Fourier transform (DFrFT) of a signal, in all-optical orthogonal frequency division multiplexing (OFDM) systems. In addition 1 × N and N × N phased array switches architectures are described, as well as a new configuration to perform polarization diversity demultiplexing. Finally, a general approach, based on an analogy with the finite impulse response (FIR) filter approach, is presented to design optical modulators for any modulation format, using either phase modulators (PM) or electro-absorption modulators (EAM).

© 2012 OSA

OCIS Codes
(230.7390) Optical devices : Waveguides, planar
(230.7400) Optical devices : Waveguides, slab
(250.7360) Optoelectronics : Waveguide modulators
(070.2025) Fourier optics and signal processing : Discrete optical signal processing
(250.6715) Optoelectronics : Switching

ToC Category:
Waveguide and Optoelectronic Devices

Original Manuscript: October 1, 2012
Revised Manuscript: November 5, 2012
Manuscript Accepted: November 5, 2012
Published: November 29, 2012

Virtual Issues
European Conference on Optical Communication 2012 (2012) Optics Express

Gabriella Cincotti, "What else can an AWG do?," Opt. Express 20, B288-B298 (2012)

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