Title :
Photonic downconversion and linearization of an X-band fiber optic link using optical I/Q demodulation
Author :
Clark, Thomas R. ; Dennis, Michael L.
Author_Institution :
JHU Appl. Phys. Lab., Laurel
Abstract :
We experimentally demonstrate downconversion and simultaneous linearization of microwave frequency signals using photonic in-phase and quadrature detection with digital demodulation. Suppression of third-order intermodulation products by 20 dB is obtained.
Keywords :
intermodulation distortion; linearisation techniques; optical fibre networks; optical modulation; optical wavelength conversion; X-band fiber optic link; digital demodulation; microwave frequency signals; optical I/Q demodulation; photonic downconversion; photonic in-phase detection; photonic linearization; photonic quadrature detection; third-order intermodulation suppression; Demodulation; Digital signal processing; Frequency; Optical attenuators; Optical fibers; Optical interferometry; Optical modulation; Phase modulation; RF signals; Testing;
Conference_Titel :
Lasers and Electro-Optics, 2007. CLEO 2007. Conference on
Conference_Location :
Baltimore, MD
Print_ISBN :
978-1-55752-834-6
DOI :
10.1109/CLEO.2007.4452917
