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Optics Express

Optics Express

  • Editor: Michael Duncan
  • Vol. 12, Iss. 15 — Jul. 26, 2004
  • pp: 3415–3421

Direct-detection optical differential 8-level phase-shift keying (OD8PSK) for spectrally efficient transmission

Cheolhwan Kim and Guifang Li  »View Author Affiliations


Optics Express, Vol. 12, Issue 15, pp. 3415-3421 (2004)
http://dx.doi.org/10.1364/OPEX.12.003415


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Abstract

An implementation of optical differential 8-level phase-shift keying (OD8PSK) is proposed for spectrally efficient high capacity long-haul optical fiber transmission systems. Interferometric demodulation and direct detection at the receiver yield three output binary sequences identical to the three input binary sequences. This is accomplished by proper design of electrical encoding and optical encoding at the transmitter. Three optical encoding schemes are proposed with corresponding differential electrical encoding schemes. Numerical simulations are performed for a single channel transmission to evaluate the transmission performances of OD8PSK systems.

© 2004 Optical Society of America

OCIS Codes
(060.0060) Fiber optics and optical communications : Fiber optics and optical communications
(060.2330) Fiber optics and optical communications : Fiber optics communications
(060.4080) Fiber optics and optical communications : Modulation
(060.5060) Fiber optics and optical communications : Phase modulation

ToC Category:
Research Papers

History
Original Manuscript: June 25, 2004
Revised Manuscript: July 12, 2004
Published: July 26, 2004

Citation
Cheolhwan Kim and Guifang Li, "Direct-detection optical differential 8-level phase-shift keying (OD8PSK) for spectrally efficient transmission," Opt. Express 12, 3415-3421 (2004)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-12-15-3415


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References

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