DocumentCode
971890
Title
Experimental Demonstration of a Photonic Analog-to-Digital Converter Architecture With Pseudorandom Sampling
Author
Airola, Marc B. ; O´Connor, Sean R. ; Dennis, Michael L. ; Clark, Thomas R.
Author_Institution
Appl. Phys. Lab., Johns Hopkins Univ., Laurel, MD
Volume
20
Issue
24
fYear
2008
Firstpage
2171
Lastpage
2173
Abstract
A photonic analog-to-digital converter architecture is demonstrated that uses nonuniform, sub-Nyquist sampling combined with digital signal processing algorithms to unambiguously identify microwave signals of interest. X-band (8-12 GHz) operation is demonstrated with two-tone signals of separation extending to >2 GHz that were directly sampled and digitized at a mean rate of 995.3 MHz resulting in alias-free power spectra.
Keywords
analogue-digital conversion; microwave photonics; optical information processing; alias-free power spectra; digital signal processing; frequency 8 GHz to 12 GHz; photonic analog-to-digital converter architecture; pseudorandom sampling; subNyquist sampling; two-tone signals; Analog-to-digital conversion; digital signal processing; microwave photonics; nonuniform sampling; photonic sampling;
fLanguage
English
Journal_Title
Photonics Technology Letters, IEEE
Publisher
ieee
ISSN
1041-1135
Type
jour
DOI
10.1109/LPT.2008.2007747
Filename
4663603
Link To Document