Ultrafast all-optical chalcogenide glass
Vahid G. Ta’eed1, Neil J. Baker1, Libin Fu1, Klaus Finsterbusch1, Michael R.E. Lamont1,
David J. Moss1, Hong C. Nguyen1, Benjamin J. Eggleton1*, Duk Yong Choi2,
Steven Madden2, and Barry Luther-Davies2
1Centre for Ultrahigh bandwidth Devices for Optics Systems (CUDOS)
School of Physics, University of Sydney, NSW 2006, Australia
2Centre for Ultrahigh bandwidth Devices for Optics Systems (CUDOS)
Laser Physics Centre, The Australian National University, Canberra, ACT 0200, Australia
http://www.cudos.org.au/
*Corresponding author: egg@physics.usyd.edu.au
Abstract: Chalcogenide glasses offer large ultrafast third-order
nonlinearities, low two-photon absorption and the absence of free carrier
absorption in a photosensitive medium. This unique combination of
properties is nearly ideal for all-optical signal processing devices. In this
paper we review the key properties of these materials, outline progress in
the field and focus on several recent highlights: high quality gratings,
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