Monitoring of OSNR by using a MachβZehnd
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Zhenning Tao; Zhangyuan Chen; Libin Fu; Deming Wu; Anshi Xu
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Article
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2001
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John Wiley and Sons
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English
β 152 KB
## Abstract We introduce a novel technique to monitor the optical signalβtoβnoise ratio (OSNR) using a MachβZehnder interferometer. The error of the novel method is less than 0.5 dB when the OSNR is between 10 and 40 dB in the best working case. In practice, the dynamic range reduces to 10β30 dB be