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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 20, Iss. 26 — Dec. 10, 2012
  • pp: B535–B542

16-QAM optical packet switching and real-time self-homodyne detection using polarization-multiplexed pilot-carrier

Satoshi Shinada, Moriya Nakamura, Yukiyoshi Kamio, and Naoya Wada  »View Author Affiliations


Optics Express, Vol. 20, Issue 26, pp. B535-B542 (2012)
http://dx.doi.org/10.1364/OE.20.00B535


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Abstract

We demonstrated 20-Gbit/s 16 quadrature amplitude modulation (16-QAM) optical packet switching and real-time detection using self-homodyne. A prototype modulator consisting of an in-phase and quadrature (I-Q) modulator and monolithically integrated polarization beam splitters generated modulated signals and polarization-multiplexed pilot-carriers simultaneously. Self-homodyne detection using the pilot-carrier was resilient to phase noise and self-phase modulation, and the constellation was obtained in real time without digital signal processing. A low-polarization-dependent (Pb,La)(Zr,La)O3 (PLZT) optical switch in the optical packet switch handled both 16-QAM optical packets and the polarization multiplexed pilot-carrier. Even after packet switching, a clear constellation diagram was obtained, and error-free operation was confirmed in real-time using a packet bit-error rate tester (BERT).

© 2012 OSA

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

ToC Category:
Subsystems for Optical Networks

History
Original Manuscript: October 1, 2012
Revised Manuscript: November 25, 2012
Manuscript Accepted: November 25, 2012
Published: December 5, 2012

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

Citation
Satoshi Shinada, Moriya Nakamura, Yukiyoshi Kamio, and Naoya Wada, "16-QAM optical packet switching and real-time self-homodyne detection using polarization-multiplexed pilot-carrier," Opt. Express 20, B535-B542 (2012)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-20-26-B535


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