Photonically Assisted Microwave Signal Generation Based on Two Cascaded Polarization Modulators With a Tunable Multiplication Factor
- 16 September 2016
- journal article
- Published by Institute of Electrical and Electronics Engineers (IEEE) in IEEE Transactions on Microwave Theory and Techniques
- Vol. 64 (11), 3748-3756
- https://doi.org/10.1109/tmtt.2016.2604819
Abstract
Filterless photonic generation of microwave signals with various frequency multiplication factors via series connected polarization modulators is proposed and demonstrated experimentally. Frequency octupling, sextupling, or quadrupling microwave signal can be obtained when the polarization state of the light wave, the modulation indices of the modulators, and the phase of the radio frequency (RF) driving signal are suitably set. The optical sideband suppression ratios and RF spurious suppression ratios of the generated frequency multiplication signals are measured. Besides, the frequency-tunable ability and phase noise are analyzed.Keywords
Funding Information
- National Natural Science Foundation of China (NSFC) (61401502)
- NSFC Program of Shaanxi Province (2016JQ6008)
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