In this paper we investigate experimentally the effect of the modulation methods on the AM-WIRNA (wide bandpass filter-rectifier-narrow lowpass filter) system. We use two modulation methods: external modulation and direct modulation. Direct modulation is simpler, has a more linear response and requires smaller RF input power as compared to external modulation.<>
A linewidth-insensitive coherent AM optical link: a comparison of direct and external modulation formats
Proceedings of LEOS '93 ; 368-369
1993-01-01
133960 byte
Conference paper
Electronic Resource
English
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