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Journal of the Optical Society of America B

Journal of the Optical Society of America B


  • Vol. 15, Iss. 9 — Sep. 1, 1998
  • pp: 2361–2370

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

D. Marchese, M. De Sario, A. Jha, A. K. Kar, and E. C. Smith  »View Author Affiliations

JOSA B, Vol. 15, Issue 9, pp. 2361-2370 (1998)

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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 (n27.5×10-5 cm2/GW), making this glass one of the best candidates for ultrafast nonlinear optical applications. All-optical switching in the second telecommunication window (λ=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

OCIS Codes
(000.4430) General : Numerical approximation and analysis
(060.1810) Fiber optics and optical communications : Buffers, couplers, routers, switches, and multiplexers
(060.4510) Fiber optics and optical communications : Optical communications
(160.2750) Materials : Glass and other amorphous materials
(160.4330) Materials : Nonlinear optical materials
(230.1150) Optical devices : All-optical devices

D. Marchese, M. De Sario, A. Jha, A. K. Kar, and E. C. Smith, "Highly nonlinear GeS2-based chalcohalide glass for all-optical twin-core-fiber switching," J. Opt. Soc. Am. B 15, 2361-2370 (1998)

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