Highly nonlinear GeS2-based chalcohalide glass for all-optical twin-core-fiber switching

D. Marchese, M. De Sario, A. Jha, A. K. Kar, E. C. Smith

Research output: Contribution to journalArticle

38 Citations (Scopus)

Abstract

A new GeS2-based chalcohalide glass was synthesized by the melt-quenching technique for nonlinear optical applications. A large glass-forming region was defined, and a wide infrared transmission was measured. Marked optical third-order nonlinearity was measured (n2 ˜ 7.5 x 10-5 cm2/GW), making this glass one of the best candidates for ultrafast nonlinear optical applications. All-optical switching in the second telecommunication window (? = 1.31 µm) by control of the optical pulse intensity in a twin-core-fiber directional coupler was numerically modeled, and a crossover length of 9.25 mm was calculated. © 1998 Optical Society of America.

Original languageEnglish
Pages (from-to)2361-2370
Number of pages10
JournalJournal of the Optical Society of America B: Optical Physics
Volume15
Issue number9
Publication statusPublished - Sep 1998

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