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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 15, Iss. 16 — Aug. 6, 2007
  • pp: 9948–9953

Packet clock recovery using a bismuth oxide fiber-based optical power limiter

Ch. Kouloumentas, N. Pleros, P. Zakynthinos, D. Petrantonakis, D. Apostolopoulos, O. Zouraraki, A. Tzanakaki, H. Avramopoulos, and I. Tomkos  »View Author Affiliations

Optics Express, Vol. 15, Issue 16, pp. 9948-9953 (2007)

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We demonstrate an optical clock recovery circuit that extracts the line rate component on a per packet basis from short data packets at 40 Gb/s. The circuit comprises a Fabry-Perot filter followed by a novel power limiting configuration, which in turn consists of a 5m highly nonlinear bismuth oxide fiber in cascade with an optical bandpass filter. Both experimental and simulation-based results are in close agreement and reveal that the proposed circuit acquires the timing information within only a small number of bits, yielding a packet clock for every respective data packet. Moreover, we investigate theoretically the scaling laws for the parameters of the circuit for operation beyond 40 Gb/s and present simulation results showing successful packet clock extraction for 160 Gb/s data packets. Finally, the circuit’s potential for operation at 320 Gb/s is discussed, indicating that ultrafast packet clock recovery should be in principle feasible by exploiting the passive structure of the device and the fsec-scale nonlinear response of the optical fiber.

© 2007 Optical Society of America

OCIS Codes
(060.4370) Fiber optics and optical communications : Nonlinear optics, fibers
(070.4340) Fourier optics and signal processing : Nonlinear optical signal processing

ToC Category:
Fiber Optics and Optical Communications

Original Manuscript: November 15, 2006
Revised Manuscript: March 21, 2007
Manuscript Accepted: March 21, 2007
Published: July 24, 2007

Ch. Kouloumentas, N. Pleros, P. Zakynthinos, D. Petrantonakis, D. Apostolopoulos, O. Zouraraki, A. Tzanakaki, H. Avramopoulos, and I. Tomkos, "Packet clock recovery using a bismuth oxide fiber-based optical power limiter," Opt. Express 15, 9948-9953 (2007)

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  7. Ch. Kouloumentas, A. Tzanakaki, and I. Tomkos, "Clock Recovery at 160 Gb/s and beyond, using a Fiber Based Optical Power Limiter," IEEE Photon. Technol. Lett. 18, 2365-2367 (2006). [CrossRef]
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