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Optics Express

Optics Express

  • Editor: Andrew M. Weiner
  • Vol. 21, Iss. 21 — Oct. 21, 2013
  • pp: 25120–25147

Integrated waveguide Bragg gratings for microwave photonics signal processing

Maurizio Burla, Luis Romero Cortés, Ming Li, Xu Wang, Lukas Chrostowski, and José Azaña  »View Author Affiliations

Optics Express, Vol. 21, Issue 21, pp. 25120-25147 (2013)

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Integrated Microwave photonics (IMWP) signal processing using Photonic Integrated Circuits (PICs) has attracted a great deal of attention in recent years as an enabling technology for a number of functionalities not attainable by purely microwave solutions. In this context, integrated waveguide Bragg grating (WBG) devices constitute a particularly attractive approach thanks to their compactness and flexibility in producing arbitrarily defined amplitude and phase responses, by directly acting on coupling coefficient and perturbations of the grating profile. In this article, we review recent advances in the field of integrated WBGs applied to MWP, analyzing the advantages leveraged by an integrated realization. We provide a perspective on the exciting possibilities offered by the silicon photonics platform in the field of MWP, potentially enabling integration of highly-complex active and passive functionalities with high yield on a single chip, with a particular focus on the use of WBGs as basic building blocks for linear filtering operations. We demonstrate the versatility of WBG-based devices by proposing and experimentally demonstrating a novel, continuously-tunable, integrated true-time-delay (TTD) line based on a very simple dual phase-shifted WBG (DPS-WBG).

© 2013 OSA

OCIS Codes
(050.2770) Diffraction and gratings : Gratings
(070.1170) Fourier optics and signal processing : Analog optical signal processing
(130.3120) Integrated optics : Integrated optics devices
(250.5300) Optoelectronics : Photonic integrated circuits
(060.3735) Fiber optics and optical communications : Fiber Bragg gratings
(060.5625) Fiber optics and optical communications : Radio frequency photonics
(130.6622) Integrated optics : Subsystem integration and techniques
(070.7145) Fourier optics and signal processing : Ultrafast processing

Original Manuscript: July 5, 2013
Revised Manuscript: September 22, 2013
Manuscript Accepted: September 27, 2013
Published: October 15, 2013

Virtual Issues
Microwave Photonics (2013) Optics Express

Maurizio Burla, Luis Romero Cortés, Ming Li, Xu Wang, Lukas Chrostowski, and José Azaña, "Integrated waveguide Bragg gratings for microwave photonics signal processing," Opt. Express 21, 25120-25147 (2013)

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