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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 19, Iss. 10 — May. 9, 2011
  • pp: 9699–9707

Influence of self-phase modulation effect on waveform degradation and spectral broadening in optical BPSK-SSB fiber transmission

Katsumi Takano, Takashi Murakami, Yuki Sawaguchi, and Kiyoshi Nakagawa  »View Author Affiliations


Optics Express, Vol. 19, Issue 10, pp. 9699-9707 (2011)
http://dx.doi.org/10.1364/OE.19.009699


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Abstract

Self-phase modulation (SPM) effect is analyzed in a dispersion-compensated transmission using optical BPSK single sideband (SSB) modulation. The effect was evaluated numerically using both waveform degradation and spectral degradation, clarifying that waveform degradation is induced dominantly by peak power of the quadrature component of a Hilbert-transformed signal. Eye-opening degradation of BPSK-SSB is induced by lower fiber input power than the conventional double sideband (DSB) case because the SSB-homodyne system is sensitive to phase error resulting from SPM. Spectral degradation from SPM has two phases with increasing fiber input power. In the first phase, the sideband in the suppressive frequency region expands with increasing optical power. In the second phase, the spectral envelope in the non-suppressive frequency region becomes broad, and its shape is somewhat varied.

© 2011 OSA

OCIS Codes
(060.1660) Fiber optics and optical communications : Coherent communications
(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

History
Original Manuscript: April 1, 2011
Revised Manuscript: April 30, 2011
Manuscript Accepted: April 30, 2011
Published: May 3, 2011

Citation
Katsumi Takano, Takashi Murakami, Yuki Sawaguchi, and Kiyoshi Nakagawa, "Influence of self-phase modulation effect on waveform degradation and spectral broadening in optical BPSK-SSB fiber transmission," Opt. Express 19, 9699-9707 (2011)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-19-10-9699


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