&lt;title&gt;Electro-optical microwave signal processor for high-frequency wideband frequency channelization&lt;/title&gt;

Dawber, W.N.; Webster, Ken

doi:10.1117/12.319409

Cited by 2 publications

(2 citation statements)

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“…The BGFP is made up of wavelength-dependent reflectors and contains a lossy cavity element-these departures from ideal performance place a limit on the finesse achievable. To this end, the ideal power transmission through the BGFP can be described in terms of a wavelength-dependent reflectivity and a single-pass cavity transmission as (1) where is a dispersion detuning parameter dependent on wavelength, cavity spacing, and angle into the etalon [21]. Fig.…”

Section: B Departure From Ideal Performancementioning

confidence: 99%

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A microwave channelizer and spectroscope based on an integrated optical Bragg-grating Fabry-Perot and integrated hybrid Fresnel lens system

Winnall

Lindsay

Austin

et al. 2006

IEEE Trans. Microwave Theory Techn.

164

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A compact means to separate microwave and millimeter-wave optical signals by RF frequency in real time is demonstrated. The approach is to employ an integrated optical Bragg grating Fabry-Perot (BGFP) device to spatially separate optically modulated microwave signals with high resolution. The compactness is achieved through the use of an integrated optical hybrid diffractive lens beam expander to provide the required optical wavefront to the BGFP. A proof-of-principle measurement was performed from 1 to 23 GHz with peak finesse of 27. The theoretical analysis, fabrication procedure, experimental results, limitations, and improvements are described.

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Section: B Departure From Ideal Performancementioning

confidence: 99%

“…The approach described in this paper is based upon spatial wavelength demultiplexing using the Fabry-Perot etalon [19]. Early studies have demonstrated the feasibility of this approach, but in bulky classical optical form [20], [21].…”

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confidence: 99%