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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Alan E. Willner
  • Vol. 34, Iss. 8 — Apr. 15, 2009
  • pp: 1156–1158

Ultrafast photonic intensity integrator

Yongwoo Park and José Azaña  »View Author Affiliations


Optics Letters, Vol. 34, Issue 8, pp. 1156-1158 (2009)
http://dx.doi.org/10.1364/OL.34.001156


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Abstract

A method for ultrafast photonic time-intensity integration of an arbitrary temporal waveform is, for the first time to our knowledge, proposed and demonstrated. The introduced intensity-integration concept is based on the superposition of mutually incoherent, continuously-time-delayed replicas of the optical intensity waveform to be processed. This idea is practically implemented using optical intensity modulation of the input waveform with a rectangularlike incoherent energy spectrum distribution followed by linear dispersion. The key design specifications of the proposed integration scheme are derived and discussed. Proof-of-concept experiments are performed demonstrating accurate integration of several duration-limited microwave and optical intensity waveforms with time features from the picosecond to the subnanosecond range.

© 2009 Optical Society of America

OCIS Codes
(070.6020) Fourier optics and signal processing : Continuous optical signal processing
(200.4740) Optics in computing : Optical processing
(060.5625) Fiber optics and optical communications : Radio frequency photonics
(320.7085) Ultrafast optics : Ultrafast information processing

ToC Category:
Fiber Optics and Optical Communications

History
Original Manuscript: February 13, 2009
Manuscript Accepted: February 27, 2009
Published: April 3, 2009

Citation
Yongwoo Park and José Azaña, "Ultrafast photonic intensity integrator," Opt. Lett. 34, 1156-1158 (2009)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-34-8-1156

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