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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 20, Iss. 26 — Dec. 10, 2012
  • pp: B21–B31

Full-asynchronous gigabit-symmetric DPSK downstream and OOK upstream OCDMA-PON with source-free ONUs employing all-optical self-clocked time gate

Bo Dai, Satoshi Shimizu, Xu Wang, and Naoya Wada  »View Author Affiliations


Optics Express, Vol. 20, Issue 26, pp. B21-B31 (2012)
http://dx.doi.org/10.1364/OE.20.000B21


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Abstract

We propose an asynchronous gigabit-symmetric optical code division multiplexing access passive optical network (OCDMA-PON) in which optical network units (ONUs) are source-free. In the experiment, we demonstrate a duplex OCDMA system with a 50 km 10 Gbit/s/user 4-user DPSK-OCDMA downlink and a 50 km 10 Gbit/s/user 4-user OOK-OCDMA uplink and error-free duplex transmissions are achieved. Besides, we investigate an all-optical self-clocked time gate, which is used for the signal regeneration of decoded signals and ensures asynchronization in the up/downstream transmissions. Furthermore, we evaluate the power budget of the proposed duplex transmission.

© 2012 OSA

OCIS Codes
(060.0060) Fiber optics and optical communications : Fiber optics and optical communications
(060.4080) Fiber optics and optical communications : Modulation
(060.4250) Fiber optics and optical communications : Networks
(070.4340) Fourier optics and signal processing : Nonlinear optical signal processing

ToC Category:
Access Networks and LAN

History
Original Manuscript: October 1, 2012
Revised Manuscript: November 2, 2012
Manuscript Accepted: November 7, 2012
Published: November 28, 2012

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

Citation
Bo Dai, Satoshi Shimizu, Xu Wang, and Naoya Wada, "Full-asynchronous gigabit-symmetric DPSK downstream and OOK upstream OCDMA-PON with source-free ONUs employing all-optical self-clocked time gate," Opt. Express 20, B21-B31 (2012)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-20-26-B21


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