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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 20, Iss. 26 — Dec. 10, 2012
  • pp: B419–B427

Photonic preprocessor for analog-to-digital-converter using a cavity-less pulse source

Andreas O. J. Wiberg, Lan Liu, Zhi Tong, Evgeny Myslivets, Vahid Ataie, Bill P.-P. Kuo, Nikola Alic, and Stojan Radic  »View Author Affiliations

Optics Express, Vol. 20, Issue 26, pp. B419-B427 (2012)

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A photonic preprocessor for analog to digital conversion is demonstrated and characterized using a cavity-less optical pulse source. The pulse source generates high fidelity pulses at 2 GHz repetition rate with temporal width of 3 ps. Chirped pulses are formed by cascaded amplitude and phase modulators, and subsequently compressed in dispersion compensating fiber. Sampling operation is performed with a dual-output Mach-Zehnder modulator, where the complimentary output enables a reduction of noise by 3 dB. Phase noise characterization shows that the phase noise of the generated pulses is fully dictated by the RF source. The high quality of the pulse source used in a sampling preprocessor experiment was verified by measuring 8 effective number of bits at 10 GHz and 7.0 effective number of bits at 40 GHz.

© 2012 OSA

OCIS Codes
(070.1170) Fourier optics and signal processing : Analog optical signal processing
(320.5520) Ultrafast optics : Pulse compression

ToC Category:
Subsystems for Optical Networks

Original Manuscript: October 2, 2012
Revised Manuscript: November 10, 2012
Manuscript Accepted: November 10, 2012
Published: November 30, 2012

Virtual Issues
European Conference on Optical Communication 2012 (2012) Optics Express

Andreas O. J. Wiberg, Lan Liu, Zhi Tong, Evgeny Myslivets, Vahid Ataie, Bill P.-P. Kuo, Nikola Alic, and Stojan Radic, "Photonic preprocessor for analog-to-digital-converter using a cavity-less pulse source," Opt. Express 20, B419-B427 (2012)

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