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Interfaces for high-speed fiberoptics links
Conference proceeding

Interfaces for high-speed fiberoptics links

A.S Daryoush, N Samant, E Ackerman, S Wanuga and D Kasemset
1991 IEEE MTT-S International Microwave Symposium Digest, v 1, pp 297-300
1991

Abstract

Circuits Diode lasers Dynamic range Electrooptic modulators Flow graphs Frequency Intermodulation distortion Noise figure PIN photodiodes Signal analysis
An analysis of directly and externally modulated fiber-optic (FO) links is presented. The theoretical analysis is based on the signal flow graph of the interface circuits to the laser diode, the Mach-Zehnder electrooptic modulator, and the p-i-n photodiode. The system parameters, such as gain, noise figure, two-tone intermodulation distortion, and dynamic range, are expressed as a function of frequency. FO link analytical models are compared with the experimental results obtained on a custom-designed directly modulated FO link at 12 GHz and an externally modulated FO link at 900 MHz.< >

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