Title :
Optical in-well pumping of a semiconductor disk laser with high optical efficiency
Author :
Beyertt, Svent-Simon ; Zorn, Martin ; Kübler, Thomas ; Wenzel, Hans ; Weyers, Markus ; Giesen, Adolf ; Tränkle, Günther ; Brauch, Uwe
Author_Institution :
Inst. fur Strahlwerkzeuge, Univ. Stuttgart, Germany
Abstract :
Optical in-well pumping is shown to lead to highly efficient operation of semiconductor disk-lasers using resonant absorption or using external optics. Pump radiation absorption of 70% at 940 nm is demonstrated for a laser emitting around 980 nm. Laser output power was 1.9 W with slope efficiencies up to 35% based on the incident power.
Keywords :
laser cavity resonators; optical pumping; quantum well lasers; 1.9 W; 940 nm; 980 nm; disk laser; external optics; high optical efficiency; inwell pumping; optical pumping; pump radiation absorption; resonant absorption; semiconductor laser; Absorption; Laser excitation; Lead compounds; Optical pumping; Power generation; Power lasers; Pump lasers; Resonance; Semiconductor lasers; Stimulated emission; InGaAs; optical pumping; quantum well; semiconductor disk laser; vertical external-cavity surface-emitting laser (VCSEL);
Journal_Title :
Quantum Electronics, IEEE Journal of
DOI :
10.1109/JQE.2005.858794
