NDLI: Optimum operating points for electroabsorption modulators in 10 Gb/s transmission systems using nondispersion shifted fiber

Content Provider	IEEE Xplore Digital Library
Author	Cartledge, J.C. Christensen, B.
Copyright Year	1983
Abstract	The chirp, optical extinction ratio and insertion loss of an electroabsorption modulator (EAM) depend on the properties of the bulk or multiple-quantum-well absorption layer of the device and on the bias voltage and modulating voltage waveform. For 10 Gb/s transmission over nondispersion shifted fiber, joint optimization of the bias and modulation voltages is considered for five different EAM's. To comprehensively explore this issue, the measured dependence of the absorption and /spl alpha/-parameter on applied voltage is used to accurately model an EAM in a system simulator. The effects of group velocity dispersion and self-phase modulation arising from the Kerr nonlinearity are included to permit assessment of the dependence of the optimum bias and modulation voltages on the average transmitted optical power for a given fiber length. The improvement in receiver sensitivity, relative to that obtained with maximum optical extinction ratio, depends quite significantly on the transmitted optical power and the specific properties of the modulator. This makes it difficult to determine optimum operating conditions which apply generally.
Sponsorship	IEEE Lasers and Electro-Optics Society Optical Society of America
Starting Page	349
Ending Page	357
Page Count	9
File Size	195383
File Format	PDF
ISSN	07338724
Volume Number	16
Issue Number	3
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1998-03-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Optical receivers Voltage Fiber nonlinear optics Optical modulation Optical sensors Chirp modulation Nonlinear optics Extinction ratio Absorption Optical devices
Content Type	Text
Resource Type	Article
Subject	Atomic and Molecular Physics, and Optics

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