Room temperature quantum cascade lasers with 22% wall plug efficiency in continuous-wave operation

5.6 μm quantum cascade lasers based on a two-material active region composition with a room temperature wall-plug efficiency exceeding 28%

(2016) A. Lyakh et al.   APPLIED PHYSICS LETTERS

Quantum cascade lasers: 20 years of challenges

(2015) Miriam Serena Vitiello et al.   OPTICS EXPRESS

Terahertz quantum cascade lasers with >1 W output powers

(2014) Lianhe Li et al.   ELECTRONICS LETTERS

Terahertz quantum cascade lasers operating up to ∼ 200 K with optimized oscillator strength and improved injection tunneling

(2012) S. Fathololoumi et al.   OPTICS EXPRESS

Room temperature quantum cascade lasers with 27% wall plug efficiency

(2011) Y. Bai et al.   APPLIED PHYSICS LETTERS

Highly temperature insensitive quantum cascade lasers

(2010) Y. Bai et al.   APPLIED PHYSICS LETTERS

Quantum cascade lasers that emit more light than heat

(2010) Yanbo Bai et al.   Nature Photonics

Catastrophic optical degradation of the output facet of high-power single-transverse-mode diode lasers. 1. Physical model

(2010) D R Miftakhutdinov et al.   QUANTUM ELECTRONICS

High-Performance InP-Based Mid-IR Quantum Cascade Lasers

(2009) Manijeh Razeghi   IEEE JOURNAL OF SELECTED TOPICS IN QUANTUM ELECTRONICS