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Optics Letters

Optics Letters


  • Editor: Alan E. Willner
  • Vol. 34, Iss. 18 — Sep. 15, 2009
  • pp: 2742–2744

Single-shot real-time frequency chirp characterization of telecommunication optical signals based on balanced temporal optical differentiation

Fangxing Li, Yongwoo Park, and José Azaña  »View Author Affiliations

Optics Letters, Vol. 34, Issue 18, pp. 2742-2744 (2009)

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A simple single-shot frequency chirp characterization technique for telecommunication optical waveforms is introduced. The proposed technique is based on what we believe to be a novel balanced all-optical ultrafast differentiation scheme, and it enables a real-time conversion of the instantaneous frequency variation of an arbitrary complex (amplitude and phase) optical signal into a temporal intensity profile while simultaneously providing an efficient cancellation of the intensity noise. Single-shot real-time frequency chirp measurements of gigahertz-bandwidth phase-only and amplitude and phase temporal modulation waveforms are performed.

© 2009 Optical Society of America

OCIS Codes
(060.0060) Fiber optics and optical communications : Fiber optics and optical communications
(070.6020) Fourier optics and signal processing : Continuous optical signal processing
(120.5050) Instrumentation, measurement, and metrology : Phase measurement
(320.7100) Ultrafast optics : Ultrafast measurements

ToC Category:
Fiber Optics and Optical Communications

Original Manuscript: June 1, 2009
Revised Manuscript: August 3, 2009
Manuscript Accepted: August 10, 2009
Published: September 9, 2009

Fangxing Li, Yongwoo Park, and José Azaña, "Single-shot real-time frequency chirp characterization of telecommunication optical signals based on balanced temporal optical differentiation," Opt. Lett. 34, 2742-2744 (2009)

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