Title :
Sensing ultra-low-power radio signals by photonic analog-to-digital conversion
Author :
Llorente, Roberto ; Morant, Maria ; Puche, José ; Romme, Jac ; Alves, Tiago
Author_Institution :
Nanophotonics Technol. Center, Univ. Politec. de Valencia, Valencia, Spain
Abstract :
A time-stretched photonic analog-to-digital converter with optical amplification is proposed to sense ultra-low power signals for cognitive radio applications. Experimental results show that -65 dBm RF carrier can be monitored with 20.84 dB signal-to-noise ratio.
Keywords :
analogue-digital conversion; cognitive radio; microwave photonics; radio receivers; cognitive radio; photonic analog-to-digital conversion; radio sensing; signal-to-noise ratio; ultralow power signals; Analog-digital conversion; Optical fiber polarization; Optical filters; Optical modulation; Optical receivers; Optical sensors; Optical transmitters; Signal to noise ratio; Stimulated emission; Ultrafast optics;
Conference_Titel :
Optical Communication, 2009. ECOC '09. 35th European Conference on
Conference_Location :
Vienna
Print_ISBN :
978-1-4244-5096-1
