Sensing ultra-low-power radio signals by photonic analog-to-digital conversion
Llorente, R.
; Castro, M.
; Puche, J.P.
; Romme, J.
;
Alves , T. M. F.
Sensing ultra-low-power radio signals by photonic analog-to-digital conversion, Proc European Conference on Optical Communication ECOC, Viena, Austria, Vol. -, pp. 1 - 2, September, 2009.
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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.
