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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 19, Iss. 15 — Jul. 18, 2011
  • pp: 14060–14066

Digital dual-rate burst-mode receiver for 10G and 1G coexistence in optical access networks

José Manuel Delgado Mendinueta, John E. Mitchell, Polina Bayvel, and Benn C. Thomsen  »View Author Affiliations

Optics Express, Vol. 19, Issue 15, pp. 14060-14066 (2011)

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A digital dual-rate burst-mode receiver, intended to support 10 and 1 Gb/s coexistence in optical access networks, is proposed and experimentally characterized. The receiver employs a standard DC-coupled photoreceiver followed by a 20 GS/s digitizer and the detection of the packet presence and line-rate is implemented in the digital domain. A polyphase, 2 samples-per-bit digital signal processing algorithm is then used for efficient clock and data recovery of the 10/1.25 Gb/s packets. The receiver performance is characterized in terms of sensitivity and dynamic range under burst-mode operation for 10/1.25 Gb/s intensity modulated data in terms of both the packet error rate (PER) and the payload bit error rate (pBER). The impact of packet preamble lengths of 16, 32, 48, and 64 bits, at 10 Gb/s, on the receiver performance is investigated. We show that there is a trade-off between pBER and PER that is limited by electrical noise and digitizer clipping at low and high received powers, respectively, and that a 16/2-bit preamble at 10/1.25 Gb/s is sufficient to reliably detect packets at both line-rates over a burst-to-burst dynamic range of 14,5dB with a sensitivity of −18.5dBm at 10 Gb/s.

© 2011 OSA

OCIS Codes
(060.4510) Fiber optics and optical communications : Optical communications
(060.4259) Fiber optics and optical communications : Networks, packet-switched

ToC Category:
Fiber Optics and Optical Communications

Original Manuscript: May 26, 2011
Revised Manuscript: June 22, 2011
Manuscript Accepted: June 24, 2011
Published: July 7, 2011

José Manuel Delgado Mendinueta, John E. Mitchell, Polina Bayvel, and Benn C. Thomsen, "Digital dual-rate burst-mode receiver for 10G and 1G coexistence in optical access networks," Opt. Express 19, 14060-14066 (2011)

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