A hybrid plasmonic waveguide terahertz quantum cascade laser

Degl'Innocenti, Riccardo and Shah, Y. D. and Wallis, R. and Klimont, A. and Ren, Y. and Jessop, D. S. and Beere, H. E. and Ritchie, D. A. (2015) A hybrid plasmonic waveguide terahertz quantum cascade laser. In: CLEO: Science and Innovations, CLEO-SI 2015. Optical Society of America (OSA), USA, p. 2267. ISBN 9781557529688

Abstract

We present a quantum cascade laser emitting around 2.9 THz, based on a new hybrid plasmonic waveguide design. The resultant optical mode provides a performance commensurate with a metal-metal waveguide, while improving the far-field pattern.