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Titolo:
Combining self-phase modulation and optimum modulation conditions to improve the performance of 10-Gb/s transmission systems using MQW Mach-Zehnder modulators
Autore:
Cartledge, JC;
Indirizzi:
Queens Univ, Dept Elect & Comp Engn, Kingston, ON K7L 3N6, Canada Queens Univ Kingston ON Canada K7L 3N6 Engn, Kingston, ON K7L 3N6, Canada
Titolo Testata:
JOURNAL OF LIGHTWAVE TECHNOLOGY
fascicolo: 5, volume: 18, anno: 2000,
pagine: 647 - 655
SICI:
0733-8724(200005)18:5<647:CSMAOM>2.0.ZU;2-S
Fonte:
ISI
Lingua:
ENG
Soggetto:
NONDISPERSION SHIFTED FIBER; STANDARD DISPERSIVE FIBER; 10 GB/S TRANSMISSION; PROPAGATION PERFORMANCE; OPTICAL MODULATORS; DFB LASER; 1.55-MU-M; 10GBIT/S; GBIT/S;
Keywords:
modulator chirp; multiple quantum-well (MQW) Mach-Zehnder optical modulator; optical communications; transmission system performance;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Engineering, Computing & Technology
--discip_EC--
Citazioni:
19
Recensione:
Indirizzi per estratti:
Indirizzo: Cartledge, JC Queens Univ, Dept Elect & Comp Engn, Kingston, ON K7L 3N6, Canada Queens Univ Kingston ON Canada K7L 3N6 , ON K7L 3N6, Canada
Citazione:
J.C. Cartledge, "Combining self-phase modulation and optimum modulation conditions to improve the performance of 10-Gb/s transmission systems using MQW Mach-Zehnder modulators", J LIGHTW T, 18(5), 2000, pp. 647-655

Abstract

For 10-Gb/s,transmission over nondispersion shifted fiber, the combined use of self-phase modulation (SPM) and joint optimization of the bias and modulation voltages to increase the dispersion limited transmission distance is considered for multiple quantum well Mach-Zehnder modulators. For the dual drive (push pull) modulation format, the dependence of the receiver sensitivity on fiber length and average transmitted optical power is determined for both conventional and pi phase-shift modulators with either symmetric or asymmetric Y-branch waveguides. When SPM is negligible and the optical extinction ratio is maximized, the modulator design must be considered carefully in order to increase the transmission distance, By combining SPM and optimum modulation conditions, the dependence of the system performance on the modulator design is reduced substantially.,For an average transmitted optical power of 12.5 dBm, the receiver sensitivity for transmission over 140 km of fiber varies by only 0.3 dB for the different modulator designs. This;compares with a variation of 3.1 dB for maximum extinction ratio modulation.

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Documento generato il 12/07/20 alle ore 05:54:18