Analysis of chirp power penalty in 1.55-µm DFB-LD high-speed optical fiber transmission systems

Yamamoto, S.; Kuwazuru, M.; Wakabayashi, Hitoshi; Iwamoto, Y.

doi:10.1109/jlt.1987.1075428

Cited by 49 publications

(7 citation statements)

References 13 publications

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“…For such laser sources two main factors that limit the system performance are timing jitter 1]? 7] and chirp noise 8,9]. In particular, di erences in the spreading of optical pulses observed in ber transmission are due to chirp noise.…”

Section: Introductionmentioning

confidence: 99%

Statistical properties of the spectrum of light pulses in fast pseudorandom word modulation of a single-mode semiconductor laser

Balle

Homar

Miguel

1995

IEEE J. Quantum Electron.

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1 2 Abstract The spectrum of Single Mode Laser pulses generated by fast Pseudo Random Word Modulation is studied numerically for Return-to-Zero and Non-Return-to-Zero control signals. We analyze both statistics and the worst cases for the frequency chirp during each optical pulse, and we study the connection between these frequency chirps and the turnon times. We show that patterns in the modulation signal sequences contribute to chirp noise. The worst case values of the turn-on time and the chirp range are very similar in the two modulation schemes, hence, the optimum choice depends mainly on the characteristics of the decision circuit and on the driver and detector bandwidths.

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Section: Introductionmentioning

confidence: 99%

Statistical properties of the spectrum of light pulses in fast pseudorandom word modulation of a single-mode semiconductor laser

Balle

Homar

Miguel

1995

IEEE J. Quantum Electron.

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“…However, dynamic single-mode operation is difficult to achieve [l]. Even when single-mode operation is achieved, by careful design of the laser's structure, the spectrum is broadened by chirping C2-41, causing dispersion [5].…”

Section: Introductionmentioning

confidence: 99%

New dynamic model for multimode chirp in DFB semiconductor lasers

Lowery

1990

IEE Proc. J Optoelectron. UK

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A new technique for modelling the dynamic spectral characteristics of DFB semiconductor lasers above threshold, which is based on the transmission-line laser model, is described. This includes the effects of index carrier dependence and longitudinal index variations. The timedomain responses and spectra of quarter-wave shifted grating devices are compared with unshifted devices under transient conditions.

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“…This effect is known as frequency chirp, and is one of the most important aspects in optical communications, as it sets the reach limit for a given source and bit rate and the dispersion penalty [15]. The linewidth enhancement factor also controls the behavior of the laser under optical feedback and injection [16].…”

Section: Theory Of the Linewidth Enhancement Factormentioning

confidence: 99%

Investigation on the linewidth enhancement factor of multiple longitudinal mode semiconductor lasers

et al. 2008

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We present a theoretical and experimental research of the linewidth enhancement factor or factor in multiplelongitudinal mode semiconductor lasers. In this work, several methods originally developed for single-mode lasers have been adapted for their use with multiple-longitudinal mode lasers and applied to each mode of several Fabry-Perot lasers at a time. The concepts of material LEF and device LEF are compared and discussed.

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Analysis of chirp power penalty in 1.55-µm DFB-LD high-speed optical fiber transmission systems

Cited by 49 publications

References 13 publications

Statistical properties of the spectrum of light pulses in fast pseudorandom word modulation of a single-mode semiconductor laser

Statistical properties of the spectrum of light pulses in fast pseudorandom word modulation of a single-mode semiconductor laser

New dynamic model for multimode chirp in DFB semiconductor lasers

Investigation on the linewidth enhancement factor of multiple longitudinal mode semiconductor lasers

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