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10-GHz bandwidth RF spectral analyzer with MHz resolution based on spectral hole burning in Tm3+:YAG

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5 Author(s)
Gorju, G. ; CNRS, Lab. Aime Cotton, Orsay, France ; Crozatier, V. ; Lorgere, I. ; Le Gouet, J.-L.
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We demonstrate the first 10-GHz instantaneous bandwidth radio-frequency spectrum analyzer based on spectral hole burning in Tm3+:YAG. It exhibits 10 000 frequency channels and a resolution better than 1 MHz. Thanks to the fast and linear chirping capabilities of the laser used, it has a potential 100% probability of interception and a response time in the millisecond range. Its linear dynamic range of 16 dB is presently essentially limited by the modest amount of optical power available and can be further improved.

Published in:

Photonics Technology Letters, IEEE  (Volume:17 ,  Issue: 11 )