[IEE 11th International Conference on Integrated Optics and Optical Fibre Communications. 23rd European Conference on Optical Communications IOOC-ECOC97 - Edinburgh, UK (22-25 Sept. 1997)] 11th International Conference on Integrated Optics and Optical Fibre Communications. 23rd European Conference on Optical Communications IOOC-ECOC97 - Encapsulated tapered active layer 1.3 m Fabry-Perot laser operating at high temperature