Title :
Semiconductor unstable resonators with laterally finite mirrors
Author :
Bedford, Robert ; Fallahi, Mahmoud
Author_Institution :
Opt. Sci. Center, Arizona Univ., Tucson, AZ, USA
fDate :
7/1/2002 12:00:00 AM
Abstract :
The design of semiconductor-based unstable resonators with laterally finite mirrors is investigated. A time-independent model used for tapered cavity semiconductor lasers is implemented to analyze this cavity design. Initial investigations show a significant improvement in external quantum efficiency, as well as a decrease in threshold current density as compared to the traditional tapered lasers with laterally infinite mirrors. The advantages and disadvantages of the proposed design will be discussed
Keywords :
current density; laser cavity resonators; laser mirrors; optical design techniques; semiconductor lasers; cavity design; design; external quantum efficiency; laterally finite mirrors; laterally infinite mirrors; semiconductor unstable resonators; tapered cavity semiconductor lasers; threshold current density; time-independent model; Apertures; Distributed Bragg reflectors; Erbium-doped fiber lasers; Laser modes; Mirrors; Optical resonators; Power lasers; Pump lasers; Quantum well lasers; Semiconductor lasers;
Journal_Title :
Quantum Electronics, IEEE Journal of
DOI :
10.1109/JQE.2002.1017580
