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Cadmium mixed halide glass for optical amplification at 1.3Ám

E.R.Taylor1, B.N.Samson1, D.W.Hewak1, J.A.Medeiros Neto1, & D.N.Payne1, S.Jordery2, M.Naftaly2, A.Jha2

1. Optoelectronics Research Centre, University of Southampton, UK
2. Department of Materials Technology, Brunel University, Uxbridge UB8 3PH, UK

Abstract

Optical and spectroscopic data and calculations in support of an efficient 1.3 μm amplifier in a Pr3+-doped cadmium mixed halide glass host are presented. It is found that the dominant parameter affecting the amplifier gain is the lifetime (325 μm) of the Pr3+ 1G4 state. The long lifetime is the direct consequence of a decreased multiphonon decay rate in this low-phonon-energy glass host. Gain in excess of 30 dB for 100 mW pumping in low-loss fibres is predicted and for background loss of 1 dB/m gain figures are as high as 15-20 dB.


Journal of Non-Crystalline Solids (1995) Vol.184 pp.61-67

doi: 10.1016/0022-3093(94)00596-6

Southampton ePrint id: 78241

 

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