Three fiber-optic link configurations for use in microwave transmission are proposed. Two laser diodes are used to generate balanced harmonics, and the optical power from each diode is combined and detected by photodiodes. The fundamental and odd harmonics are suppressed and even harmonics added. The balanced and image cancellation laser mixing, which utilizes a combination of microwave components and optical devices, can suppress the local and image frequencies, respectively. These configurations are experimentally investigated at microwave frequencies, and frequency suppression is successfully demonstrated.>
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Ogawa et al. (1992) studied this question.
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