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Impact of finite frequency deviation on the performance of dual-filter heterodyne FSK lightwave systems

1992
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Multigigabit Fiber Communications
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A detailed theoretical analysis is given for the impact of finite frequency deviation on the sensitivity of dual-filter heterodyne Frequency Shift Keying (FSK) lightwave systems. Our analysis provides closed-form signal-to-noise ratio (SNR) results for estimating the bit-error-ratio (BER) performance of the system. These closed-form results provide an insight into the impact of finite frequency deviation 2Afd, laser linewidth Am, bit rate R 6 , and IF filter bandwidths on the system

doi:10.1117/12.139331
fatcat:krbg6bbzlzf5lhg32zqtfzxehm