Large Kerr effect in bulk Se-based chalcogenide glasses

Large Kerr effect in bulk Se-based chalcogenide glasses

High-speed optical communication requires ultrafast all-optical processing and switching capabilities. The Kerr nonlinearity, an ultrafast optical nonlinearity, is often used as the basic switching mechanism. A practical, small device that can be switched with ~1-pJ energies requires a large Kerr ef...

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Veröffentlicht in:Optics letters 2000-02, Vol.25 (4), p.254-256
Hauptverfasser: Lenz, G, Zimmermann, J, Katsufuji, T, Lines, M E, Hwang, H Y, Spälter, S, Slusher, R E, Cheong, S W, Sanghera, J S, Aggarwal, I D
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container_end_page 256
container_issue 4
container_start_page 254
container_title Optics letters
container_volume 25
creator Lenz, G
Zimmermann, J
Katsufuji, T
Lines, M E
Hwang, H Y
Spälter, S
Slusher, R E
Cheong, S W
Sanghera, J S
Aggarwal, I D
description High-speed optical communication requires ultrafast all-optical processing and switching capabilities. The Kerr nonlinearity, an ultrafast optical nonlinearity, is often used as the basic switching mechanism. A practical, small device that can be switched with ~1-pJ energies requires a large Kerr effect with minimal losses (both linear and nonlinear). We have investigated theoretically and experimentally a number of Se-based chalcogenide glasses. We have found a number of compounds with a Kerr nonlinearity hundreds of times larger than silica, making them excellent candidates for ultrafast all-optical devices.
doi_str_mv 10.1364/ol.25.000254
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