1994
DOI: 10.1049/el:19940030
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Analysis of fibre transfer function and determination of receiver frequency response for dispersion supported transmission

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Cited by 55 publications
(16 citation statements)
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“…T HE technologically important problem of the effect of dispersive fiber propagation on the intensity modulation response of semiconductor lasers has been treated in the past by assuming either small-signal modulation [1], [2] or low dispersion [3]. In this work we extend the analysis to the case of large-signal and arbitrary dispersion, which more closely approximates conditions in intensity modulation-direct detection (IM-DD) systems.…”
Section: Introductionmentioning
confidence: 95%
See 1 more Smart Citation
“…T HE technologically important problem of the effect of dispersive fiber propagation on the intensity modulation response of semiconductor lasers has been treated in the past by assuming either small-signal modulation [1], [2] or low dispersion [3]. In this work we extend the analysis to the case of large-signal and arbitrary dispersion, which more closely approximates conditions in intensity modulation-direct detection (IM-DD) systems.…”
Section: Introductionmentioning
confidence: 95%
“…In this work we extend the analysis to the case of large-signal and arbitrary dispersion, which more closely approximates conditions in intensity modulation-direct detection (IM-DD) systems. We show that the highpass behavior of the fiber transfer function that is predicted by the small-signal theory [1] is degraded as the amplitude of the modulation signal is increased. This could affect systems that use dispersion to enhance the modulation response after propagation in fiber, such as dispersion supported transmission [1], or after a fiber Bragg grating [4].…”
Section: Introductionmentioning
confidence: 97%
“…Due to group velocity dispersion, linear propagation in dispersive optical fiber produces a phase change of the sidebands relative to the optical carrier, which results in partial conversion of FM into IM, which is photodetected at the fiber output [11], [12]. At low modulation frequencies, the dispersion is very small and the change in MR after propagation is simply given by the fiber loss.…”
Section: Effect Of Sbs On Modulation Responsementioning
confidence: 99%
“…En general, la presencia de chirp en el transmisor óptico produce un efecto beneficioso, pues el nivel de potencia de las subportadoras recibidas aumenta respecto al valor teórico como consecuencia de la dispersión de la fibra. Este efecto ya ha sido comprobado teórica y experimentalmente [Wed94]. Las líneas de 2.16 Potencias eléctricas de señal y de intermodulación (IM 3 ) a la salida del fotodetector en función de la potencia eléctrica de entrada al modulador óptico.…”
Section: Sistema Mmdsunclassified
“…Como consecuencia del chirp adiabático, el primer nulo de la respuesta de la fibra desaparece completamente, extendiéndose la frecuencia −3 dB hasta prácticamente los 9 GHz. Además, en el caso de f c = 10 GHz incluso se observa un comportamiento paso-alto para bajas frecuencias, por lo que sería interesante ecualizar a la salida del fotodetector mediante un filtro paso-bajo, tal y como se propone en [Wed94]. La frecuencia de corte de este filtro paso-bajo vendría dada por la expresión El objetivo de ecualizar la respuesta mediante un filtro eléctrico paso-bajo se debe a que el ancho de banda de transmisión se define como el margen de frecuencias donde la respuesta tiene una variación inferior a 3 dB.…”
Section: I32 Respuesta De La Fibra óPtica En Presencia De Chirpunclassified