Demonstration of a microwave spectrum analyzer based on time-domain optical processing in fiber
Optics Letters, Vol. 29, Issue 5, pp. 501-503 (2004)
http://dx.doi.org/10.1364/OL.29.000501
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Abstract
We demonstrate a novel method for spectral analysis of microwave signals that employs time-domain processing in fiber. We use anomalous dispersion in single-mode fiber to perform a Fresnel transform followed by a matched amount of dispersion-compensating fiber to perform an inverse Fresnel transform of an ultrashort pulse. After the Fresnel-transformed waveform is modulated by the microwave signal, the waveform at the output of the dispersion-compensating fiber represents the ultrashort pulse convolved with the microwave spectrum. An experimental system for spectral analysis of microwave signals in the range 6–21 GHz is demonstrated.
© 2004 Optical Society of America
OCIS Codes
(070.1170) Fourier optics and signal processing : Analog optical signal processing
(300.6370) Spectroscopy : Spectroscopy, microwave
(320.7090) Ultrafast optics : Ultrafast lasers
Citation
Robert E. Saperstein, Dmitriy Panasenko, and Yeshaiahu Fainman, "Demonstration of a microwave spectrum analyzer based on time-domain optical processing in fiber," Opt. Lett. 29, 501-503 (2004)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-29-5-501
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