Title :
Continuous 119.2-GSample/s photonic compressed sensing of sparse microwave signals
Author :
Stroud, Jasper R. ; Bosworth, Bryan T. ; Tran, Dung N. ; McKenna, Timothy P. ; Clark, Thomas R. ; Tran, Trac D. ; Sang Chin ; Foster, Mark A.
Author_Institution :
Dept. of Electr. & Comput. Eng., Johns Hopkins Univ., Baltimore, MD, USA
Abstract :
We demonstrate 119.2-GSample/s compressive microwave frequency detection using spectrally-encoded ultrafast laser pulses. We sense sparse tones over > 35-GHz instantaneous bandwidth with 2-MHz accuracy using <; 300 consecutive compressive measurements acquired at a 400-MHz rate.
Keywords :
compressed sensing; high-speed optical techniques; measurement by laser beam; microwave photonics; optical pulse shaping; bandwidth 35 GHz; bit rate 119.2 Gbit/s; compressive microwave frequency detection; consecutive compressive measurements; continuous photonic compressed sensing; frequency 2 MHz; frequency 400 MHz; instantaneous bandwidth; sparse microwave signals; sparse tones; spectrally-encoded ultrafast laser pulses; Bandwidth; Chirp; Compressed sensing; Frequency measurement; Photonics; RF signals; Radio frequency;
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2015 Conference on
Conference_Location :
San Jose, CA
