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Journal of Lightwave Technology

Journal of Lightwave Technology

| A JOINT IEEE/OSA PUBLICATION

  • Vol. 24, Iss. 3 — Mar. 1, 2006
  • pp: 1610–

Power Spectra of Return-to-Zero Optical Signals

Ezra Ip and Joseph M. Kahn

Journal of Lightwave Technology, Vol. 24, Issue 3, pp. 1610- (2006)


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Abstract

Analytical formulas for the power spectra of return-to-zero (RZ) optical signals generated by Mach-Zehnder (MZ) modulators are derived. Pulse duty cycles of 33%, 50%, and 67%, in conjunction with several modulation techniques, including binary ON-OFF keying (OOK), duobinary OOK, and M-ary differential phase-shift keying (DPSK), phase-shift keying (PSK), and quadrature-amplitude modulation (QAM), are considered. Spectral characteristics and bandwidth requirements of these different schemes are compared.

© 2006 IEEE

Citation
Ezra Ip and Joseph M. Kahn, "Power Spectra of Return-to-Zero Optical Signals," J. Lightwave Technol. 24, 1610- (2006)
http://www.opticsinfobase.org/jlt/abstract.cfm?URI=jlt-24-3-1610

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