Abstract

We describe an optoelectronic system for simultaneously generating parallel, independent streams of random bits using spectrally separated noise signals obtained from a single optical source. Using a pair of nonoverlapping spectral filters and a fiber-coupled superluminescent LED (SLED), we produced two independent 10Gb/s random bit streams, for a cumulative generation rate of 20Gb/s. The system relies principally on chip-based optoelectronic components that could be integrated in a compact, economical package.

© 2011 Optical Society of America

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