Design of a tunable time-delay element using multiple gain lines for increased fractional delay with high data fidelity

Zhimin Shi, Ravi Pant, Zhaoming Zhu, Michael D. Stenner, Mark A. Neifeld, Daniel J. Gauthier, Robert W. Boyd

Research output: Contribution to journalArticle

58 Scopus citations

Abstract

A slow-light medium based on multiple, closely spaced gain lines is studied. The spacings and relative strengths of the gain lines are optimized by using the criteria of gain penalty and eye-opening penalty to maximize the fractional delay defined in terms of the best decision time for random pulse trains. Both numerical calculations and experiments show that an optimal design of a triple-gain-line medium can achieve a maximal fractional delay about twice that which can be obtained with a single-gain-line medium, at three times higher modulation bandwidth, while high data fidelity is still maintained.

Original languageEnglish (US)
Pages (from-to)1986-1988
Number of pages3
JournalOptics letters
Volume32
Issue number14
DOIs
StatePublished - Jul 15 2007

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

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