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Microwave photonic frequency conversion is a key function that is essential in many optical-wireless system applications. Photonic mixers are attractive because of the wide bandwidth potential, the high isolation between the RF and the LO ports, and the advantage of electromagnetic interference immunity. Recent new methods in wideband microwave photonic downconverters, including carrier suppression...
The linearity of stimulated Brillouin scattering (SBS) is studied in detail for the first time. A closed-form expression which measures the linearity of an SBS system is derived. This expression allows one to design the region of linear operation, and the amount of Brillouin gain of an SBS system, by altering some basic system parameters. The theory presented is experimentally verified using an SBS-based...
Photonic signal processing offers a new powerful paradigm for processing high bandwidth signals, overcoming inherent electronic limitations. It opens new capabilities for realising high-resolution performance and programmable operation, while being inherently compatible with fibre optic microwave systems that integrate with wireless antennas. Recent new methods in wideband signal processors including...
Photonic signal processing offers the prospect of realising extremely high multi-GHz sampling frequencies, overcoming inherent electronic limitations. These processors provide new capabilities for realising high time-bandwidth operation and high-resolution performance. In-fibre signal processors are inherently compatible with fibre optic microwave systems that can integrate with wireless antennas,...
Photonic signal processing offers the prospect of realising extremely high multi-GHz sampling frequencies, overcoming inherent electronic limitations. These processors provide new capabilities for realising high time-bandwidth operation and high-resolution performance. In-fibre signal processors are inherently compatible with fibre optic microwave systems, and can provide connectivity with in-built...
Photonic signal processing offers a new powerful paradigm for processing high bandwidth signals, overcoming inherent electronic limitations. Recent new methods in wideband signal processors including high-resolution, arbitrary response, tunability and low noise processing, are presented.
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