Tang, Zhuoqi, Furniss, David, Fay, Michael, Sakr, Hesham, Sójka, Lukasz, Neate, Nigel, Weston, Nicola, Sujecki, Slawomir, Benson, Trevor M., Seddon, Angela B., "Mid-infrared photoluminescence in small-core fiber of praseodymium-ion doped selenide-based chalcogenide glass", Optical Materials Express, 2015