We experimentally demonstrate a threshold reduction of a semiconductor laser by optically pumping with spin-polarized electrons. Calculations show that a threshold reduction by 50% is possible even for electrically pumped lasers.
© 2004 Optical Society of America
(250.0250) Optoelectronics : Optoelectronics
(250.7260) Optoelectronics : Vertical cavity surface emitting lasers
(320.0320) Ultrafast optics : Ultrafast optics
(320.7130) Ultrafast optics : Ultrafast processes in condensed matter, including semiconductors
J. Rudolph, D. Hägele, M. Oestreich, H. M. Gibbs, and G. Khitrova, "Laser threshold reduction in a spintronic device," in Conference on Lasers and Electro-Optics/International Quantum Electronics Conference and Photonic Applications Systems Technologies, Technical Digest (CD) (Optical Society of America, 2004), paper CThL1.