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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Xi-Cheng Zhang
  • Vol. 39, Iss. 16 — Aug. 15, 2014
  • pp: 4915–4918

Demonstration of tunable optical generation of higher-order modulation formats using nonlinearities and coherent frequency comb

Mohammad Reza Chitgarha, Salman Khaleghi, Morteza Ziyadi, Ahmed Almaiman, Amirhossein Mohajerin-Ariaei, Ori Gerstel, Loukas Paraschis, Carsten Langrock, Martin M. Fejer, Joseph Touch, and Alan E. Willner  »View Author Affiliations


Optics Letters, Vol. 39, Issue 16, pp. 4915-4918 (2014)
http://dx.doi.org/10.1364/OL.39.004915


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Abstract

We demonstrate a tunable, optical generation scheme of higher-order modulation formats including pulse amplitude modulation (PAM) and quadrature amplitude modulation (QAM). Using this method, 100.4 Gbit/s 16-QAM and 120 Gbit/s 64-QAM were generated from 50.2 and 40 Gbit/s QPSK signals at EVMs of 7.8% and 6.4%, and 60 Gbit/s 8-PAM were generated at an EVM of 8.1% using three 20-Gbit/s BPSK signals. We also demonstrated a successful transmission of 80 Gbit/s 16-QAM through 80 km SMF-28 after compensating with 20 km DCF. All signals were generated, transmitted, and detected with BER below the forward error correction threshold.

© 2014 Optical Society of America

OCIS Codes
(060.2360) Fiber optics and optical communications : Fiber optics links and subsystems
(060.4370) Fiber optics and optical communications : Nonlinear optics, fibers
(190.4223) Nonlinear optics : Nonlinear wave mixing

ToC Category:
Fiber Optics and Optical Communications

History
Original Manuscript: May 9, 2014
Revised Manuscript: July 12, 2014
Manuscript Accepted: July 15, 2014
Published: August 14, 2014

Virtual Issues
September 4, 2014 Spotlight on Optics

Citation
Mohammad Reza Chitgarha, Salman Khaleghi, Morteza Ziyadi, Ahmed Almaiman, Amirhossein Mohajerin-Ariaei, Ori Gerstel, Loukas Paraschis, Carsten Langrock, Martin M. Fejer, Joseph Touch, and Alan E. Willner, "Demonstration of tunable optical generation of higher-order modulation formats using nonlinearities and coherent frequency comb," Opt. Lett. 39, 4915-4918 (2014)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-39-16-4915


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References

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