CONCLUSION

This article discussed the realization of a LabVIEW-based, computer-controlled K-Band synthesizer using an MZM OEO system. Suppression of the inter-modal oscillation of long fiber-optic delay lines reduces the close-in phase noise.55 The measured phase noise is around −130 dBc/Hz at 10 kHz offset over all of K-Band, from 16 to 24 GHz. The design of a reduced cost and smaller OEO synthesizer using a PhC-PM device, Sagnac loop PM-IM convertor64-65 and a multi-mode, multi-section semiconductor laser58 will be presented in Part 2 of this article.66

Figure 11

Figure 11 Frequency sequence spelling DREXEL, demonstrating the broadband frequency hopping capability of the OEO synthesizer.

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