Title :
Photonic instantaneous RF frequency measurement system based on complementary modulation
Author :
Drummond, Miguel V. ; Marques, Carlos A F ; Monteiro, Paulo P. ; Nogueira, Rogério N.
Author_Institution :
Inst. de Telecomun., Univ. de Aveiro, Aveiro, Portugal
Abstract :
A photonic instantaneous frequency measurement system based on complementary electro-optic modulation is proposed and experimentally demonstrated. A dual-electrode, dual-output Mach-Zehnder modulator is used to simultaneously achieve electro-optical modulation and complementary modulation sideband (MS) filtering. By suppressing the optical carrier at one of the modulator outputs, complementary MS filtering is mapped into two complementary average optical powers from which the RF frequency is derived. The obtained frequency measurement is independent of both optical and RF powers, and also robust to electrical circuitry imperfections.
Keywords :
Mach-Zehnder interferometers; frequency measurement; optical variables measurement; radiofrequency measurement; MS filtering; complementary electrooptic modulation; complementary modulation sideband filtering; dual-output Mach-Zehnder modulator; electrical circuitry imperfection; electrooptical modulation; photonic instantaneous RF frequency measurement system; Frequency measurement; Frequency modulation; Optical filters; Optical modulation; Photonics; Radio frequency; Microwave photonics; complementary modulation; instantaneous microwave frequency measurement;
Conference_Titel :
EUROCON - International Conference on Computer as a Tool (EUROCON), 2011 IEEE
Conference_Location :
Lisbon
Print_ISBN :
978-1-4244-7486-8
DOI :
10.1109/EUROCON.2011.5929413