Sensing Ultra-Low-Power Radio Signals by Photonic Analog-to-Digital Conversion

Conference: ECOC 2009 - 35th European Conference on Optical Communication
09/20/2009 - 09/24/2009 at Vienna, Austria

Proceedings: ECOC 2009

Pages: 2Language: englishTyp: PDF

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Llorente, Roberto; Morant, Maria (Nanophotonics Technology Center, Univ. Politécnica de Valencia, Spain)
Puche, José (DAS Photonics S.L, Valencia, Spain)
Romme, Jac (IMST GmbH, Kamp-Lintfort, Germany)
Alves, Tiago (Instituto de Telecomunicações, Lisboa, Portugal)

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.