Ruan, Y.Jarvis, R.Rode, A.Madden, S.Luther-Davies, B.2007-07-052007-07-052005Optics Communications, 2005; 252(1-3):39-450030-4018http://hdl.handle.net/2440/34930The wavelength dispersion of the Verdet constants of bulk As–S, As–Se–S, Ge–As–Se and Ga–La–S-based chalcogenide glasses has been investigated at wavelengths between 675 and 1550 nm. Ge₃₃As₁₂Se₅₅ was found to have the highest Verdet constant, 0.0485 min/G.cm at 1550 nm, 30 times that of silica. The high Verdet constant of Ge₃₃As₁₂Se₅₅ is related to its smaller band gap energy compared with the other glasses. Further improvement of the Verdet constants of the Ge–Se-based chalcogenide glasses by engineering their compositions could make them promising materials for integrated magneto-optical devices.enVerdet constantChalcogenide glassesFaraday rotationDispersionJournal article002006334210.1016/j.optcom.2005.03.0370002304371000062-s2.0-2134444262150997