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Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Alan E. Willner
  • Vol. 36, Iss. 22 — Nov. 15, 2011
  • pp: 4416–4418

Integrated optical temporal Fourier transformer based on a chirped Bragg grating waveguide

Ksenia Dolgaleva, Antonio Malacarne, Pamela Tannouri, Luís A. Fernandes, Jason R. Grenier, J. Stewart Aitchison, José Azaña, Roberto Morandotti, Peter R. Herman, and Paulo V. S. Marques  »View Author Affiliations


Optics Letters, Vol. 36, Issue 22, pp. 4416-4418 (2011)
http://dx.doi.org/10.1364/OL.36.004416


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Abstract

We experimentally demonstrate the first integrated temporal Fourier transformer based on a linearly chirped Bragg grating waveguide written in silica glass with a femtosecond laser. The operation is based on mapping the energy spectrum of the input optical signal to the output temporal waveform by making use of first-order chromatic dispersion. The device operates in reflection, has a bandwidth of 10 nm , and can be used for incident temporal waveforms as long as 20 ps . Experimental results, obtained through both temporal oscilloscope traces and Fourier transform spectral interferometry, display a successful Fourier transformation of in-phase and out-of-phase pairs of input optical pulses, and demonstrate the correct functionality of the device for both amplitude and phase of the temporal output.

© 2011 Optical Society of America

OCIS Codes
(230.1480) Optical devices : Bragg reflectors
(230.3120) Optical devices : Integrated optics devices
(070.7145) Fourier optics and signal processing : Ultrafast processing

ToC Category:
Optical Devices

History
Original Manuscript: July 15, 2011
Revised Manuscript: October 11, 2011
Manuscript Accepted: October 12, 2011
Published: November 15, 2011

Citation
Ksenia Dolgaleva, Antonio Malacarne, Pamela Tannouri, Luís A. Fernandes, Jason R. Grenier, J. Stewart Aitchison, José Azaña, Roberto Morandotti, Peter R. Herman, and Paulo V. S. Marques, "Integrated optical temporal Fourier transformer based on a chirped Bragg grating waveguide," Opt. Lett. 36, 4416-4418 (2011)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-36-22-4416


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