Photo-parametric amplifier/converter in subcarrier multiplexed lightwave communication systems

Reports a novel type of low-noise receiver for optical communication. The receiver is based on the photoparametric mode of operation, where a photodetector is pumped at microwave frequencies and photodetection and parametric amplification are achieved simultaneously in a single device. Frequency con...

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Bibliographic Details
Main Authors: Khanifar, A., Green, R.J.
Format: Conference Proceeding
Language:English
Subjects:
Bandwidth
Diodes
Frequency conversion
Microwave frequencies
Optical amplifiers
Optical modulation
Optical noise
Optical pumping
Optical receivers
Stimulated emission
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Summary:Reports a novel type of low-noise receiver for optical communication. The receiver is based on the photoparametric mode of operation, where a photodetector is pumped at microwave frequencies and photodetection and parametric amplification are achieved simultaneously in a single device. Frequency conversion/amplification is also possible to suit particular system applications. The devices used were commercially available photodiodes which are optimized for photodetection. The starting point for the design of a tailor-made diode for the photoparametric mode of operation requires a theoretical study at device level. An attempt is made to address some of the issues involved both at circuit and device levels.< >
ISSN:0149-645X
2576-7216
DOI:10.1109/MWSYM.1992.188097