Theoretical investigation on intrinsic linewidth of quantum cascade lasers

• Main Author: Liu, Tao
• Other Authors: Wang Qijie
• Format: Theses and Dissertations
• Language: English
• Published: 2014
• Subjects: DRNTU::Science::Physics::Optics and light
• Online Access: https://hdl.handle.net/10356/59550
• Institution: Nanyang Technological University

Quantum cascade lasers (QCLs) are unipolar laser sources relying on intersubband transitions in coupled multiple quantum well systems. The light emission can be tuned across the mid-infrared (mid-IR, from 3 to 20 micrometer) and Terahertz (THz, from 1.2 to 5 THz, or 60 to 250 micrometer) ranges of t...