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Optics Letters

Optics Letters


  • Vol. 36, Iss. 6 — Mar. 15, 2011
  • pp: 1020–1022

Scalable parallel physical random number generator based on a superluminescent LED

Xiaowen Li, Adam B. Cohen, Thomas E. Murphy, and Rajarshi Roy  »View Author Affiliations

Optics Letters, Vol. 36, Issue 6, pp. 1020-1022 (2011)

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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 10 Gb / s random bit streams, for a cumulative generation rate of 20 Gb / s . The system relies principally on chip-based optoelectronic components that could be integrated in a compact, economical package.

© 2011 Optical Society of America

OCIS Codes
(030.6600) Coherence and statistical optics : Statistical optics
(060.0060) Fiber optics and optical communications : Fiber optics and optical communications
(270.2500) Quantum optics : Fluctuations, relaxations, and noise

ToC Category:
Coherence and Statistical Optics

Original Manuscript: January 7, 2011
Revised Manuscript: February 15, 2011
Manuscript Accepted: February 16, 2011
Published: March 15, 2011

Xiaowen Li, Adam B. Cohen, Thomas E. Murphy, and Rajarshi Roy, "Scalable parallel physical random number generator based on a superluminescent LED," Opt. Lett. 36, 1020-1022 (2011)

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