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Journal of Lightwave Technology

Journal of Lightwave Technology

| A JOINT IEEE/OSA PUBLICATION

  • Vol. 24, Iss. 6 — Jun. 1, 2006
  • pp: 2318–

30-Gb/s Signal Transmission Over 40-km Directly Modulated DFB-Laser-Based Single-Mode-Fiber Links Without Optical Amplification and Dispersion Compensation

J. M. Tang and K. Alan Shore

Journal of Lightwave Technology, Vol. 24, Issue 6, pp. 2318- (2006)


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Abstract

Based on a recently proposed novel optical-signal-modulation technique of adaptively modulated optical orthogonal frequency-division multiplexing (AMOOFDM), numerical simulations of the transmission performance of AMOOFDM signals are undertaken in directly modulated DFB laser (DML)-based single-mode-fiber (SMF) links without optical amplification and dispersion compensation. It is shown that a 30-Gb/s transmission over a 40-km SMF with a loss margin of greater than 4.5 dB is feasible in the aforementioned simple configuration using intensity modulation and direct detection (IMDD). In addition, the DFB-laser frequency chirp and the transmission-link loss are identified to be the key factors limiting the maximum achievable transmission performance of the technique. The first factor is dominant for transmission distances of < 80 km and the second one for transmission distances of > 80 km. It is also observed that fibers of different types demonstrate similar transmission performances, on which fiber nonlinear effects are negligible.

© 2006 IEEE

Citation
J. M. Tang and K. Alan Shore, "30-Gb/s Signal Transmission Over 40-km Directly Modulated DFB-Laser-Based Single-Mode-Fiber Links Without Optical Amplification and Dispersion Compensation," J. Lightwave Technol. 24, 2318- (2006)
http://www.opticsinfobase.org/jlt/abstract.cfm?URI=jlt-24-6-2318

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