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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 19, Iss. 26 — Dec. 12, 2011
  • pp: B64–B68

Real-time 93.8-Gb/s polarization-multiplexed OFDM transmitter with 1024-point IFFT

Beril Inan, Susmita Adhikari, Ozgur Karakaya, Peter Kainzmaier, Micheal Mocker, Heinrich von Kirchbauer, Norbert Hanik, and Sander L. Jansen  »View Author Affiliations


Optics Express, Vol. 19, Issue 26, pp. B64-B68 (2011)
http://dx.doi.org/10.1364/OE.19.000B64


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Abstract

We demonstrate a 93.8-Gb/s real-time optical OFDM transmitter with 1024-point IFFT using polarization-multiplexing and 4-QAM modulation. This is the highest IFFT size implemented for OFDM to our knowledge. The limited resources of FPGA make it challenging to place and route such a high size IFFT. The implementation penalty of the real time transmitter compared to the case where FPGAs are used as an arbitrary waveform generators increases up to 2 dB for BER of 7x10−4. An optical back-back measurement showed required OSNR of 26.5 dB for a BER of 10−3.

© 2011 OSA

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

ToC Category:
Subsystems for Optical Networks

History
Original Manuscript: September 30, 2011
Revised Manuscript: October 23, 2011
Manuscript Accepted: October 23, 2011
Published: November 16, 2011

Virtual Issues
European Conference on Optical Communication 2011 (2011) Optics Express

Citation
Beril Inan, Susmita Adhikari, Ozgur Karakaya, Peter Kainzmaier, Micheal Mocker, Heinrich von Kirchbauer, Norbert Hanik, and Sander L. Jansen, "Real-time 93.8-Gb/s polarization-multiplexed OFDM transmitter with 1024-point IFFT," Opt. Express 19, B64-B68 (2011)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-19-26-B64


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References

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