Direct off-air detection, transmission, and tunable bandpass filtering using self-pulsating lasers and substrate antennae

This paper reports for the first time direct off-air detection and transmission from the radio frequency through to the optical domain using a substrate antenna and a self-pulsating laser. The injection-locking property of self-pulsating lasers is exploited and used to lock onto a 1.393-GHz carrier...

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Veröffentlicht in:	Journal of lightwave technology 2005-02, Vol.23 (2), p.809-817
Hauptverfasser:	Dudley, S.E.M., Guzman, J.M., Quinlan, T., Walker, S.D.
Format:	Artikel
Sprache:	eng
Schlagworte:	Amplification Antennas Applied sciences Band pass filters Bandpass filter Carriers Detection, estimation, filtering, equalization, prediction Exact sciences and technology Fiber lasers Filtering Filtration Information, signal and communications theory injection locking Laser feedback Laser modes Lasers Optical fiber communications Optical fibers Optical filters Optical telecommunications Pseudorandom radio-over-fiber Resultants saturable absorber self-pulsating laser Signal and communications theory Signal, noise Telecommunications Telecommunications and information theory Transmitting antennas Tunable circuits and devices Waveguide lasers
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Beschreibung
Zusammenfassung:	This paper reports for the first time direct off-air detection and transmission from the radio frequency through to the optical domain using a substrate antenna and a self-pulsating laser. The injection-locking property of self-pulsating lasers is exploited and used to lock onto a 1.393-GHz carrier amplitude shift key modulated with 155-Mb/s pseudorandom data. Tunable selection of carriers at 1.409 and 1.630 GHz is demonstrated, with the resultant injection-locked signals being amplified by /spl sim/20 dB.
ISSN:	0733-8724 1558-2213
DOI:	10.1109/JLT.2004.838850