Low-threshold, single-mode defect line terahertz quantum cascade laser

Klimont, A. and Degl'Innocenti, Riccardo and Masini, L. and Shah, Y. D. and Ren, Y. and Jessop, D. S. and Tredicucci, A. and Beere, H. E. and Ritchie, D. A. (2016) Low-threshold, single-mode defect line terahertz quantum cascade laser. In: 2016 Conference on Lasers and Electro-Optics, CLEO 2016 :. Institute of Electrical and Electronics Engineers Inc., USA. ISBN 9781943580118

Abstract

We present a single-mode, low-threshold terahertz quantum cascade laser (QCL) operating on a defect line in a photonic crystal. A 55% reduction in threshold current vs. metal-metal QCLs is due to the slow light effect.