Abstract
In future generation space based phased array antennas, pico-cellular broadband communication systems and antenna remoting, optical techniques using optical flber, laser diodes and photo-detectors for transport electrical signals are widely used. Interest in the deployment of optical flbers arises from the low transmission loss compared to electrical media. Aside this, optical flbers are small, ∞exible, lightweight, and they have good phase accuracy and very large bandwidth. In view of the use of laser diodes and photo-detectors in the link, it is expected that the system costs can be considerably reduced if these optical devices are used for the generation of mm-wave signals so that no mm-wave oscillator and modulator are required. The problem is to use large linewidth lasers to generate mm-wave signal with desired spectral purity. This paper suggests a solution. DOI: 10.2529/PIERSxxxxxxxxxxxx
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