High reliability, high power InGaAs/AlGaAs 980 nm distributed feedback lasers with nonabsorbing mirrors

High reliability, high power InGaAs/AlGaAs 980 nm distributed feedback lasers with nonabsorbing mirrors

Summary form only given. The InGaAs-GaAs material system has received much. attention as sources for pumping Er-doped fiber amplifiers (EDFAs) near 980 nm. InGaAs-GaAs Fabry-Perot laser diodes have exhibited single spatial mode powers in excess of 200 mW, however, these devices can suffer from longi...

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Hauptverfasser: Lammert, R.M., Ungar, J.E., Qi, H., Oh, S.W., Osowski, M.L., Bar Chaim, N.
Format: Tagungsbericht
Sprache:eng
Schlagworte:
Distributed Bragg reflectors
Distributed feedback devices
Erbium-doped fiber amplifier
Indium gallium arsenide
Laser feedback
Laser modes
Laser stability
Optical materials
Power system reliability
Pump lasers
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Beschreibung
Zusammenfassung:Summary form only given. The InGaAs-GaAs material system has received much. attention as sources for pumping Er-doped fiber amplifiers (EDFAs) near 980 nm. InGaAs-GaAs Fabry-Perot laser diodes have exhibited single spatial mode powers in excess of 200 mW, however, these devices can suffer from longitudinal mode shifting and instability resulting from optical feedback. Longitudinal mode stability coupled with lower temperature sensitivity make 980 nm high-power distributed feedback (DFB) lasers and distributed Bragg reflector (DBR) lasers desirable sources for pumping EDFAs.
ISSN:1092-8081
2766-1733
DOI:10.1109/LEOS.1999.813545