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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 19, Iss. 10 — May. 9, 2011
  • pp: 9296–9302

Generation and long-haul transmission of polarization-switched QPSK at 42.9 Gb/s

David S. Millar, Domaniç Lavery, Sergejs Makovejs, Carsten Behrens, Benn C. Thomsen, Polina Bayvel, and Seb J. Savory  »View Author Affiliations

Optics Express, Vol. 19, Issue 10, pp. 9296-9302 (2011)

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We demonstrate, for the first time, the generation and transmission of polarization-switched QPSK (PS-QPSK) signals at 42.9 Gb/s. Long-haul transmission of PS-QPSK is experimentally investigated in a recirculating loop and compared with transmission of dual-polarization QPSK (DP-QPSK) at 42.9 Gb/s per channel. A reduction in the required OSNR of 0.7 dB was found at a BER of 3.8x10−3, resulting in an increase in maximum reach of more than 30% for a WDM system operating on a 50 GHz frequency grid. The maximum reach of 13640 km for WDM PS-QPSK is, to the best of our knowledge, the longest distance reported for 40 Gb/s WDM transmission, over an uncompensated link, with standard fiber and amplification.

© 2011 OSA

OCIS Codes
(060.2330) Fiber optics and optical communications : Fiber optics communications
(060.4080) Fiber optics and optical communications : Modulation

ToC Category:
Fiber Optics and Optical Communications

Original Manuscript: March 1, 2011
Revised Manuscript: April 6, 2011
Manuscript Accepted: April 9, 2011
Published: April 27, 2011

David S. Millar, Domaniç Lavery, Sergejs Makovejs, Carsten Behrens, Benn C. Thomsen, Polina Bayvel, and Seb J. Savory, "Generation and long-haul transmission of polarization-switched QPSK at 42.9 Gb/s," Opt. Express 19, 9296-9302 (2011)

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