Title :
1.5 μm InGaAsP/InP large mode size laser for high coupling efficiency to cleaved single mode fibre
Author :
Lealman, I.F. ; Robertson, M.J. ; Rivers, L.J. ; Harlow, M.J. ; Perrin, S.D. ; Seltzer, C.P.
Author_Institution :
British Telecom Res. Labs., Ipswich, UK
Abstract :
Increased mode size MQW BH lasers utilising a tapered active region and passive guide have shown cleaved fibre coupling losses down to 4.1 dB with threshold currents of 4.9 mA and 15 mA at 20°C and 80°C respectively
Keywords :
III-V semiconductors; gallium arsenide; gallium compounds; indium compounds; laser modes; laser transitions; optical fibre couplers; optical fibre losses; quantum well lasers; 1.5 mum; 15 mA; 20 C; 4.1 dB; 4.9 mA; 80 C; InGaAsP-InP; InGaAsP/InP large mode size laser; MQW BH lasers; cleaved fibre coupling losses; cleaved single mode fibre; high coupling efficiency; passive guide; tapered active region; threshold currents; Costs; Current measurement; Indium phosphide; Laser modes; Length measurement; Loss measurement; Optical coupling; Optical design; Packaging; Quantum well devices;
Conference_Titel :
Semiconductor Laser Conference, 1994., 14th IEEE International
Conference_Location :
Maui, HI
Print_ISBN :
0-7803-1754-8
DOI :
10.1109/ISLC.1994.519328