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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Anthony J. Campillo
  • Vol. 32, Iss. 23 — Dec. 1, 2007
  • pp: 3411–3413

Direct time-response measurement of high-speed optical modulators based on stretched-pulse interferometry

Yongwoo Park, Tae-Jung Ahn, and José Azaña  »View Author Affiliations


Optics Letters, Vol. 32, Issue 23, pp. 3411-3413 (2007)
http://dx.doi.org/10.1364/OL.32.003411


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Abstract

A simple technique for the direct measurement of the complex temporal response of a high-speed electro-optic (EO) modulator is proposed. This technique recovers the amplitude and phase temporal profiles of an instantaneous modulation over the duration of a chirped pulse (obtained by linear dispersion) using Fourier-transform interferometry, and it exploits the time-to-frequency mapping induced by the pulse dispersion process. The method can be implemented by using either time- or frequency-domain interferometric detection, allowing the characterization of modulation bandwidths in the tens-of-gigahertz range. The concept is demonstrated by accurately measuring the complex temporal response of a 2.5 Gbps intensity EO modulator.

© 2007 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
(120.3180) Instrumentation, measurement, and metrology : Interferometry
(230.2090) Optical devices : Electro-optical devices
(070.7145) Fourier optics and signal processing : Ultrafast processing

ToC Category:
Instrumentation, Measurement, and Metrology

History
Original Manuscript: September 5, 2007
Revised Manuscript: October 29, 2007
Manuscript Accepted: October 31, 2007
Published: November 21, 2007

Citation
Yongwoo Park, Tae-Jung Ahn, and José Azaña, "Direct time-response measurement of high-speed optical modulators based on stretched-pulse interferometry," Opt. Lett. 32, 3411-3413 (2007)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-32-23-3411

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