Abstract
Single-mode operation at 4.4 THz is obtained from distributed-feedback quantum- cascade lasers with complex-coupling metallic gratings. The emission shows a stable side-mode suppression of more than 20dB at all injection currents and operating temperatures.
© 2004 Optical Society of America
PDF ArticleMore Like This
Lukas Mahler, Alessandro Tredicucci, Fabio Beltram, Maria I. Amanti, Christoph Walther, Jérôme Faist, Harvey E. Beere, and David A. Ritchie
CB10_3 The European Conference on Lasers and Electro-Optics (CLEO/Europe) 2009
Rui Q. Yang, C. J. Hill, B. H. Yang, C. M. Wong, R. E. Muller, and P. M. Echternach
CMC6 Conference on Lasers and Electro-Optics (CLEO:S&I) 2004
W. Schrenk, S. Anders, E. Gornik, and G. Strasser
CTuE1 Conference on Lasers and Electro-Optics (CLEO:S&I) 2002