Abstract
We report terahertz quantum cascade lasers, with a three-quantum-well active region design and copper metal-metal waveguides, operating up to a record temperature of 178K. Their performance is compared to devices with gold metal-metal waveguides.
© 2008 Optical Society of America
PDF ArticleMore Like This
Sushil Kumar, Qing Hu, and John L. Reno
CThH4 Conference on Lasers and Electro-Optics (CLEO:S&I) 2009
Benjamin S. Williams, Sushil Kumar, Hans Callebaut, Stephen Kohen, Qing Hu, and John L. Reno
TuA2 Optical Terahertz Science and Technology (OTST) 2005
Sushil Kumar, Benjamin S. Williams, Qi Qin, Alan W. M. Lee, Qing Hu, and John L. Reno
JWA137 Conference on Lasers and Electro-Optics (CLEO:S&I) 2007