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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 18, Iss. 6 — Mar. 15, 2010
  • pp: 6220–6229

Simultaneous single-shot real-time measurement of the instantaneous frequency and phase profiles of wavelength-division-multiplexed signals

Yongwoo Park, Mirco Scaffardi, Luca Potì, and José Azaña  »View Author Affiliations


Optics Express, Vol. 18, Issue 6, pp. 6220-6229 (2010)
http://dx.doi.org/10.1364/OE.18.006220


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Abstract

A self-reference, single-shot characterization technique is proposed and demonstrated for simultaneously measuring the instantaneous frequencies and phases of multi-wavelength optical signals using a single processing and detection platform. The technique enables direct real-time optical sampling of the instantaneous frequencies of amplitude and/or phase modulated signals simultaneously at different wavelengths without requiring the use of any optical reference. Simultaneous real-time instantaneous frequency and phase measurements of a chirped 1 GHz-sinusoid intensity modulation signal and a 3 Gbps-PRBS (pseudo-random binary sequence) phase-modulated signal at two different wavelength channels have been performed for the proof-of-concept demonstration.

© 2010 OSA

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

ToC Category:
Fiber Optics and Optical Communications

History
Original Manuscript: December 23, 2009
Revised Manuscript: February 1, 2010
Manuscript Accepted: February 4, 2010
Published: March 12, 2010

Citation
Yongwoo Park, Mirco Scaffardi, Luca Potì, and José Azaña, "Simultaneous single-shot real-time measurement of the instantaneous frequency and phase profiles of wavelength-division-multiplexed signals," Opt. Express 18, 6220-6229 (2010)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-18-6-6220


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